Pinpoint tests of the navigation system (Discovery 3)

NOTE: If a control module or component failure is suspected and the vehicle is still under manufacturer's warranty, refer to the warranty manual before installing a new module/component. (section B1.2) or determine if there is any previously approved special program in effect.

Detailed Test G830887p1: Blank Screen Tests

G830887t1: Blank Screen Tests

1. Make sure the screen switch is not in the Off position.

Is the screen off?

Да - Turn on the screen. Re-test the vehicle.
No - Go to detailed check G830887t2.

G830887t2: Checking the temperature in the passenger compartment

1. Make sure that the temperature in the passenger compartment is not below -20°C.



Is the temperature in the passenger compartment below -20°C?

Да - Raise the temperature in the passenger compartment. Retest the vehicle.
No - Go to detailed check G830887t3.

G830887t3: Checking condensation in the passenger compartment
1. Check for condensation in the passenger compartment.

Is there condensation in the passenger compartment?

Да - Dry the passenger compartment and recheck the vehicle.
No - Go to detailed check G830887t4.

G830887t4: Audio Power Button Test (range Rover only)

1. Check the status of the audio system power button LED.

Is your audio system power button flashing?

Да - Perform a MOST network test to isolate the fault.
No - Go to detailed check G830887t5.

G830887t5: Navigation Screen Check

1. Check if only the navigation screen is blank.

Is only the navigation screen empty?

Да - Go to detailed check G830887p2.
No - Go to detailed check G830887t7.

G830887t7: Audio System Screen Check (range Rover only)

1. Check if only the audio system screen is blank.

Is only the audio system screen blank?

Да - Go to detailed check G830887p5.
No - Go to detailed check G830887t8.

G830887t8: TV/DVD check

1. Check if only the TV/DVD screen is blank.

Is only the TV/DVD screen blank?

Да - Go to detailed check G830887p6.

No - Go to detailed check G830887t10.

G830887t10: Wiring Harness/Connector Tests

1. Check the display and power supply wiring harness, power supply circuits, auxiliary circuits, and ground circuits for shorts, open circuits, and proper connections.

Is the problem related to the display and power supply wiring harness, auxiliary power and ground connections?



Да - Fix the problem and recheck the condition of the vehicle.

No - Install the new display module.

Detailed check G830887p2: Checks for no image on navigation screen (the screen does not change)

G830887t11: Testing on-screen keys

1. Check the operation of the on-screen keys of the navigation system.

Do the on-screen keys work properly?

Да - Go to detailed check G830887t12.
No - Go to detailed check G830887p13.

G830887t12: Checking Hardware Keys

1. Check the operation of the navigation system hardware keys.

Do the hardware keys work properly?

Да - Go to detailed check G830887t13.
No - Go to detailed check G830887p3.

G830887t13: Checking Display Messages

1. Check for displayed messages.

Messages are displayed "No picture signal input" (no image signal at input), "Navigation not installed" (navigation system not installed) or "No navigation available" (navigation is not available)?

Да - Go to detailed check G830887t14.
No - Go to detailed check G830887p1.

G830887t14: Navigation Module Power and Ground Checks

1. Refer to the electrical diagrams and check the integrity of the power and ground wiring harness and the navigation module connectors.

Is the problem related to the power and ground wiring harness or the navigation module connectors?

Да - Fix the problem and recheck the condition of the vehicle.
No - Go to detailed check G830887t15.

G830887t15: Wiring Harness/Connector Tests

1. Refer to the electrical diagrams and check the integrity of the dedicated CAN bus and the wiring harness and GVIF connectors between the navigation module and the display.



Is the fault related to the wiring harness or connectors between the navigation module and the display?

Да - Fix the problem and recheck the condition of the vehicle.
No - Install a new navigation module.

G830887p3 Detailed Check: Hardware Switches Not Working

G830887t16: Foreign Object Detection

1. Check for foreign objects near the buttons.

Are there any foreign objects near the button that are pressing it?

Да - Remove foreign objects and recheck the condition of the vehicle.
No - Go to detailed check G830887t17.

G830887t17: Display Diagnostics Check

1. Check if the display diagnostic screen is displayed.

Is the display diagnostic screen displayed?

Да - Go to detailed check G830887t18.
No - Go to detailed check G830887p1. and Go to detailed check G830887p13.

G830887t18: Checking Hardware Keys

1. Perform a display diagnostic hardware key test.

Are the display diagnostic hardware keys working properly?

Да - The system is working fine.
No - Install a new display.

Detailed Check G830887p4: Radio Screen Not Displayed (range Rover only)

G830887t19: Checking the audio hardware switch

1. Check the operation of the audio system hardware switch.

When you press the audio hardware switch, does the audio screen appear?

Да - Go to detailed check G830887t20.
No - Perform hardware switch tests. Go to detailed test G830887p3.

G830887t20: Testing the Audio/Video On-Screen Key

1. Check the operation of the on-screen audio/video key.

Is the audio system screen displayed when you press the audio/video soft key on the main menu screen?



Да - Go to detailed check G830887t21.
No - Perform touch switch tests. Go to detailed test G830887p13.

G830887t21: Checking the radio screen key

1. Check the operation of the radio on-screen key.

Does the on-screen radio button work when touched?

Да - Check the integrated head unit (IHU).
No - Turn off the ignition and wait thirty seconds until the display power LED goes out, then turn the switch to the accessory power position. If the fault is still present after rechecking, check the integrated head unit (IHU).

Detailed Check G830887p5: CD Screen Not Displayed (range Rover only)

G830887t22: Testing the Multi-Disc CD Player

1. Check if a multi-disc CD player is installed.

Is a multi-disc CD player installed?

Да - Go to detailed check G830887t23.
No - Normal operation: The CD screen will not be displayed unless a multi-disc CD player is installed.

G830887t23: Audio Control Switch Test

1. Check the operation of the audio control switch.

When you press the audio control switch, does the audio system screen appear?

Да - Go to detailed check G830887t24.
No - Perform hardware switch tests. Go to detailed test G830887p3.

G830887t24: Testing the Audio/Video On-Screen Key

1. Check the operation of the on-screen audio/video key.

Is the audio system screen displayed when you press the audio/video soft key on the main menu screen?

Да - Go to detailed check G830887t25.
No - Perform touch switch tests. Go to detailed test G830887p13.

G830887t25: Testing the CD on-screen key

1. Check the operation of the on-screen CD key.



Does the on-screen CD key work when touched?

Да - Check the integrated head unit (IHU).
No - Turn off the ignition and wait thirty seconds until the display power LED goes out, then turn the switch to the accessory power position. If the fault is still present after rechecking, check the integrated head unit (IHU).

Detailed check G830887p6: TV/DVD screen not displayed

G830887t26: TV/DVD check

1. Check if the TV/DVD module is installed.

Is the TV/DVD module installed?

Да - Go to detailed check G830887t27.
No - Normal operation: TV/DVD screen will not be displayed if TV/DVD module is not installed.

G830887t27: Checking the hardware audio control key (range Rover only)

1. Check the operation of the audio system hardware key.

When you press the audio hardware key, does the audio screen appear?

Да - Go to detailed check G830887t28.
No - Perform hardware switch tests. Go to detailed test G830887p3.

G830887t28: Testing the Audio/Video On-Screen Key (range Rover only)

1. Check the operation of the on-screen audio/video key.

Is the audio system screen displayed when you press the audio/video soft key on the main menu screen?

Да - Go to detailed check G830887t29.
No - Perform touch switch tests. Go to detailed test G830887p13.

G830887t29: Testing the TV/DVD on-screen key

1. Check the operation of the TV/DVD on-screen key.

Does the TV/DVD on-screen button work when touched?

Да - Check the integrated head unit (IHU).
No - Turn off the ignition and wait thirty seconds until the display power LED goes out, then turn the switch to the accessory power position. If the fault is still present after rechecking, check the integrated head unit (IHU).

Detailed check G830887p7: AUX. Screen does not display

G830887t30: Audio Control Switch Test

1. Check the operation of the audio control switch.

When you press the audio control switch, does the audio system screen appear?

Да - Go to detailed check G830887t28.
No - Perform hardware switch tests. Go to detailed test G830887p3.

G830887t31: Testing the Audio/Video On-Screen Key

1. Check the operation of the on-screen audio/video key.

Is the audio system screen displayed when you press the audio/video soft key on the main menu screen?

Да - Go to detailed check G830887t29.
No - Perform touch switch tests. Go to detailed test G830887p13.

G830887t32: Testing the TV/DVD on-screen key

1. Check the operation of the TV/DVD on-screen key.

Does the TV/DVD on-screen button work when touched?

Да - Check the integrated head unit (IHU).
No - Turn off the ignition and wait thirty seconds until the display power LED goes out, then turn the switch to the accessory power position. If the fault is still present after rechecking, check the integrated head unit (IHU).

Detailed Test G830887p8: Display Screen Does Not Switch to Low Light Mode

G830887t33: Foreign Object Detection

1. Check for foreign objects stuck to the display light sensor. Range Rover - upper right side of the display Discovery/Range Rover Sport - instrument cluster.

Are there foreign objects stuck to the display light sensor?

Да - Remove foreign objects and recheck the condition of the vehicle.
No - Go to detailed check G830887t34.

G830887t34: Car Light Switch Tests

1. Check if the display screen switches to low light mode when you press the vehicle light switch.



Does the display screen switch to low light mode when you press the car light switch?

Да - Normal work.
No - Go to detailed check G830887t36.

G830887t36: Display Ambient Light Sensor Test

1. Check if the display screen switches to low light mode when the sensor is covered.

Does the display screen switch to low light mode when the sensor is covered?

Да - Normal work.
No - Range Rover only - install a new display. Discovery/Range Rover Sport module - check the CAN network between the instrument cluster and the display. If the fault does not occur, install a new instrument cluster.

Detailed Test G830887p9: Noise interference on each screen and abnormal colors

G830887t37: Display Power and Ground Checks

1. Refer to the electrical diagrams and check the battery supply voltage and power-on relay voltage, and ground resistance.

Is the battery supply voltage and power relay voltage in the range of 10.5 - 16V and is there a continuous ground connection?

Да - Go to detailed check G830887t38.
No - Check and repair the vehicle's wiring harness and connectors.

G830887t38: Contrast check

1. Check if the screen color is normal when the screen (contrast) is adjusted to the default values.

Is the screen color normal when set to default values?

Да - Normal work.
No - Go to detailed check G830887t39.

G830887t39: Checking the temperature in the cabin

1. Check the temperature in the cabin.

Is the temperature in the cabin -20°C or lower?

Да - Raise the temperature in the cabin and repeat the check.
No - Go to detailed check G830887t40.

G830887t40: Additional Screens Checks

1. Check all other screens.

Are all other screens except the navigation screen working properly?

Да - Go to "Abnormal screen color". Go to detailed check G830887p11.
No - Go to detailed check G830887t41.

G830887t41: RGB Color Check

1. Perform a display RGB color test.

Are the RGB color test results normal?

Да - Normal work.
No - Go to detailed check G830887p11.

Detailed Check G830887p10: Screen Interference (incorrect synchronization)

G830887t42: Audio Screen Synchronization Check (range Rover only)

1. Check the synchronization of the audio system screen.

Is the audio system screen synced properly?

Да - Go to detailed check G830887t44.
No - Check the integrated head unit and connections.

G830887t44: Navigation Screen Synchronization Check

1. Check the synchronization of the navigation screen (map screen).

Navigation Screen Sync (map screen) normal?

Да - Go to detailed check G830887t46.
No - Check the GVIF electrical circuits between the navigation module and the display.

G830887t45: Wiring Harness and Connector Tests

1. Check the integrity of the wiring harness and display connections.

Is the problem related to the wiring harness or display connections?

Да - Correct the problem and retest.
No - Go to detailed check G830887t46.

G830887t46: TV/DVD Screen Synchronization Check
1. Check the synchronization of the TV screen.

Is the TV screen synchronization normal?

Да - Go to detailed check G830887t48.
No - Go to detailed check G830887t47.

G830887t47: Checking TV/DVD settings

1. Check if your TV settings are in line with the standards of your country.

Are your TV settings in line with the standards of your country?

Да - Check the TV tuner module and/or DVD module.
No - Reset the TV settings and recheck the car's condition.

G830887t48: Rear View Camera Screen Synchronization Check

1. Check the synchronization of the rear view camera screen.

Is the rear view camera screen synced properly?

Да - Normal operation, recheck the vehicle.
No - Check the integrity of the rear view camera.

Detailed check G830887p11: Abnormal screen color

G830887t49: Checking the RGB colors of the navigation system display

1. Perform a display RGB color test.

Are the RGB color test results normal?

Да - Go to detailed check G830887p9.
No - Go to detailed check G830887t50.

G830887t50: Checking the contrast setting

1. Set the contrast setting to default values.

Is the color normal after setting default values?

Да - Normal operation, recheck the vehicle.
No - Install a new display module

G830887t51: Checking the RGB colors of the navigation module

1. Perform a RGB color check of the navigation module.

Are the colors normal when checking the colors?

Да - Normal work.
No - Go to detailed check G830887t52.

G830887t52: Navigation Module Power and Ground Checks

1. Refer to the electrical diagrams and check the electrical power and ground circuits of the navigation module.

Is the problem related to the power supply or grounding of the navigation module?

Да - Fix the problem and recheck the condition of the vehicle.
No - Go to detailed check G830887t53.

G830887t53: Wiring Harness/Connector Tests

1. Refer to the electrical diagrams and check the integrity of the wiring harness and connectors between the navigation module and the display.

Is the fault related to the wiring harness or connectors between the navigation module and the display?

Да - Fix the problem and recheck the condition of the vehicle.
No - Install a new navigation module.

Detailed check G830887p12: Map data disc not inserted/ejected

G830887t54: Checking Map Information Disk

1. Check if the map disc is inserted into the navigation module. 2. Check the map disc for dirt, deformation, cracks, scratches or authenticity.

Is the problem related to the disk?

Да - Replace the map data disk.
No - Go to detailed check G830887t55.

G830887t55: Wiring Harness/Connector Tests

1. Refer to the electrical diagrams and check the integrity of the wiring harness and the power and ground connectors of the navigation module.

Is the problem related to the power and ground wiring harness or the navigation module connectors?

Да - Fix the problem and recheck the condition of the vehicle.
No - Install a new navigation module.

Detailed Check G830887p13: Touch Switches Do Not Work

G830887t56: Launch Calibration Program

1. Perform the startup calibration program by checking the display touch switches.

Is normal operation restored after correction?

Да - Normal work.
No - Go to detailed check G830887t57.

G830887t57: Touch Switch Test

1. Perform a touch switch test via the display diagnostic function.

Touch switches not working on navigation screen?

Да - Go to detailed check G830887t58.
No - Install a new display.

G830887t58: Wiring Harness/Connector Tests

1. Refer to the electrical diagrams and check the integrity of the wiring harness and connectors between the navigation module and the display.

Is the fault related to the wiring harness or connectors between the navigation module and the display?

Да - Fix the problem and recheck the condition of the vehicle.
No - Install a new navigation module.

Detailed Check G830887p14: Significant Deviation Between Displayed Vehicle Position and Actual Position

G830887t59: GPS Marker Display Check

1. Check if the module displays the GPS tag.

Is the GPS marker displayed on the display screen?

Да - Go to detailed check G830887t60.
No - Refer to the diagnostic item "GPS tag does not appear". Go to detailed check G830887p15.

G830887t60: Check location

1. Check for the appearance of the malfunction symptom in specific locations - parallel roads, overpasses, bypass roads, parking centers (buildings), etc.

Does the symptom of a malfunction appear in a specific place?

Да - In places where it is difficult to determine the exact position of the car, it may be determined incorrectly. In addition, the new road layout will mean that the gyro system will not match the position on the map.
No - Go to detailed check G830887t61.

G830887t61: Distance Correction Check

1. Check if distance correction is performed.

Is distance correction performed?

Да - Monitor the condition until the distance correction is completed. (drive more than 10 km).
No - Go to detailed check G830887t62.

G830887t62: Diagnostic code check

1. Check the navigation system diagnostic codes.

Is the logical address "80" displayed?

Да - Check the GPS antenna electrical circuit for short circuit, open circuit. Check and if necessary install the GPS antenna and navigation module, refer to the note on installing a new module/element at the top of the Pinpoint tests section.
No - Go to detailed check G830887t63.

G830887t63: Checking signals from vehicle systems

1. Check the vehicle speed signal (SPD) while checking the signals from the vehicle systems.

Is the SPD signal normal?

Да - Go to detailed check G830887t64.
No - Refer to the electrical diagrams and check the integrity of the wiring harness and connectors of the navigation module.

G830887t64: Reverse Signal Tests

1. Via the navigation diagnostic function (car signal screen) check if the REV: ON message is displayed when the gear shift lever is in the reverse (REV) position.

REV: ON message displayed?

Да - Go to detailed check G830887t65.
No - Refer to the electrical diagrams and check the integrity of the wiring harness and connectors, and the CAN circuit of the navigation module.

G830887t65: Tire Check

1. Check if new tires have been recently installed.

Have new tires been installed recently?

Да - Perform automatic correction. To do this, in the menu screen, press "various settings", then "navigation correction" и "distance correction". To confirm, drive at a speed of 10 - 20 km/h.
No - Correct the current location and drive for a while with the GPS tag displayed on the screen to track the status. If the fault is still present, Go to Detailed Check G830887p15.

Detailed check G830887p15: GPS tag does not appear

G830887t67: Check for installed optional equipment

1. Check if additional equipment is installed on the vehicle (anti-theft system, radar, etc.)

Is there any additional equipment installed on the vehicle?

Да - Go to detailed check G830887t66.
No - Go to detailed check G830887t68.

G830887t66: Check for installed optional RF equipment

1. Turn off the power (turning on backup power).

Is the GPS marker displayed?

Да - GPS reception may be impaired if the vehicle is equipped with devices that receive radio waves. Change the position of the additional equipment and recheck the vehicle condition.
No - Go to detailed check G830887t68.

G830887t68: Satellite reception checks

1. Check if "P" or "T" is displayed in the "ST" column of the GPS information screen of the navigation diagnostic function after 10 minutes have passed.

"P" or "T" is displayed?

Да - Wait for reception from other satellites so that position calculation can be performed.
No - Go to detailed check G830887t69.

G830887t69: Navigation diagnostic function self-test codes

1. Perform a self-test of the navigation system.

Is the code displayed 80-3A or 80-3B?

Да - Go to detailed check G830887t70.
No - If code 80-11 is displayed or code 80-XX is not registered, install a new navigation module.

G830887t70: GPS Antenna Replacement

1. Install the new GPS antenna.

Is reception possible after replacing the GPS antenna?

Да - The problem has been fixed.
No - Refer to the electrical diagrams and check the integrity of the wiring harness and GPS antenna connectors.

Detailed check G830887p16: No sound

G830887t71: Sound Test

1. Check for sound for all systems.

No sound for all systems?

Да - Go to detailed check G830887t72.
No - Go to detailed check G830887t73.

G830887t72: Sound Level Check

1. Make sure the volume is not set too low.

Is the volume set too low?

Да - Increase the volume and recheck the condition of the car.
No - Refer to the electrical diagrams and check the integrity of the wiring harness and the connectors of the amplifier and speakers. Check the integrated head unit (IHU).

G830887t73: Only voice instructions do not work

1. Make sure that only voice instructions do not work.

Only voice instructions not working?

Да - Go to detailed check G830887t77.
No - Go to detailed check G830887t76.

G830887t77: Navigation Volume Setting

1. Check if the volume setting of the navigation system is too low.

Is the volume of the navigation system too low?

Да - Increase the volume of the navigation system and recheck the condition of the vehicle.
No - Go to detailed check G830887t74.

G830887t74: Voice instructions

1. Check if voice instructions are turned off in the navigation system settings.

Are voice instructions turned off in the navigation system settings?

Да - Turn on voice instructions and recheck the vehicle's condition.
No - Go to detailed check G830887t75.

G830887t75: Additional items

1. Check if the following items are used.

• Destination not specified
• There is no traffic along the route
• Are these two items used?

Да - Normal operation, confirm the customer's fault symptom and retest the vehicle.
No - Check the MOST network connection to the touch display and the integrated head unit (IHU).

G830887t76: Sound not working only in voice recognition

1. Make sure that the sound does not work only with voice recognition.

Sound not working only with voice recognition?

Да - Perform diagnostics for the item "No voice recognition". Go to detailed check G830887p17.
No - Go to detailed check G830887t79.

G830887t79: Sound does not work only when playing CD

1. Make sure that the sound does not work only when playing CD.

Sound not working only when playing CD?

Да - If the playback time is counted, check the integrated head unit (IHU). If the playback time is not counted, press the Start/Play button.
No - Go to detailed check of G830887t80.

G830887t80: Sound does not work only in radio mode

1. Make sure that the sound does not work only in radio mode.

Sound does not work only in radio mode?

Да - Check the integrated head unit (IHU).
No - Go to detailed check G830887t81.

G830887t81: Sound does not work only in TV mode

1. Make sure that the sound does not work only in TV mode.

Sound not working only in TV mode?

Да - Check the integrated head unit (IHU).
No - Go to detailed check G830887t82.

G830887t82: Sound does not work only in phone mode

1. Make sure that the sound does not work only in phone mode.

Sound doesn't work only in phone mode?

Да - Check the Integrated Head Unit (IHU). For more information. Go to Detailed Check G830887p23.
No - Check the integrated head unit (IHU).

Detailed check G830887p17: No voice recognition

G830887t78: Checking Map Information Disk

1. Check if the disc with map information is inserted.

Is the disc with map information inserted?

Да - Go to detailed check G830887t83.
No - Insert the disc with map information.

G830887t83: Audio system mute when PTT switch is pressed

1. Check if the audio system sound is muted when you press the PTT switch.

Is your audio system being muted?

Да - Go to detailed check G830887t85.
No - Go to detailed check G830887t84.

G830887t84: PTT Switch Status

1. Check the status of the PTT switch through the microphone test in the manual test section of the navigation system diagnostic function.

Is the PTT switch status normal?

Да - Check the integrated head unit (IHU).
No - Install a new integrated head unit (IHU) or ignition gateway module.

G830887t85: Repeating what was said

1. Check if what is said is repeated when other voice recognition system requests are made.

Is repetition of what has been said carried out?

Да - The system is working fine. (advise the client to change the manner of speaking, as incorrect recognition occurs).
No - Go to detailed check G830887t9.

G830887t9: Microphone Test

1. Check if the microphone level changes when speaking into the microphone during the microphone test in the manual tests section of the navigation system diagnostic function.

When talking, does the microphone level change after pressing the PTT switch?

Да - The system is working fine. (advise the client to change the manner of speaking, as incorrect recognition occurs).
No - Refer to the electrical diagrams and check the integrity of the microphone electrical circuit Go to detailed test G830887t86. If there is no fault, suspect the microphone. Check and install a new microphone if necessary.

G830887t86: Wiring Harness/Connector Tests

1. Refer to the electrical diagrams and check the integrity of the wiring harness and connectors between the navigation module and the display.

Is the fault related to the wiring harness or connectors between the navigation module and the display?

Да - Fix the problem and recheck the condition of the vehicle.
No - Install a new navigation module.

Detailed check G830887p18: Current vehicle position mark rotates around its axis

G830887t87: Current vehicle position mark rotates around its axis

1. Check whether the ignition switch was in the accessory power position or the On position while the vehicle was on a turntable in a parking building, etc.

Is the ignition switch in the accessory power position or in the On position?

Да - The vehicle's angular velocity at the time the ignition status changed is recorded as the standard value. To reset the standard value, turn the ignition off and then to the accessory power position or to the On position with the vehicle stationary. Recheck the vehicle.
No - Go to detailed check G830887t88.

G830887t88: Current vehicle position mark rotates around its axis

1. Check for registered navigation diagnostic function trouble codes.

Registered code 58-02 (gyrosystem)?

Да - Install a new navigation module.
No - Go to detailed check G830887t89.

G830887t89: Current vehicle position mark rotates around its axis

1. Check for registered navigation diagnostic function trouble codes.

Registered code 58-03 (car speed system)?

Да - Perform measurements according to the Navigation System DTC Index.
No - Install a new navigation module.

Detailed Check G830887p19: Vehicle Position Not Updated

G830887t90: Vehicle position not updating

1. Check if the GPS marker is displayed?

Is the GPS marker displayed?

Да - Go to detailed check G830887t91.
No - Perform diagnostics of the item "GPS Mark Display". Go to detailed check G830887p15.

G830887t91: Vehicle position not updating

1. Check the map screen scrolling function.

Is it possible to touch scroll the map screen?

Да - Go to detailed check G830887t92.
No - Check the status of the disc with map information (scratches, dirt, deformation, cracks, authenticity, etc.).

G830887t92: Vehicle position not updating

1. Via the display diagnostic function, go to the vehicle system signal check screen.

Is the vehicle speed input signal correct? Note: The speed values of MOST and navigation module are approximately the same.

Да - Suspicion falls on the navigation module. Refer to the note on installing a new module/element at the top of this section.
No - Go to detailed check G830887t93.

G830887t93: Wiring Harness/Connector Tests

1. Refer to the electrical diagrams and check the integrity of the wiring harness and connectors of the navigation module.

Is the problem related to the wiring harness or the navigation module connectors?

Да - Fix the problem and recheck the condition of the vehicle.
No - Install a new navigation module.

Detailed check G830887p20: Route could not be calculated

G830887t94: Route could not be calculated

1. Check if the route can be calculated if the current location is correct and a different destination is set.

Is it possible to calculate the route?

Да - Go to detailed check G830887t95.
No - Check the status of the disc with map information (scratches, dirt, deformation, cracks, authenticity, etc.).

G830887t95: Route could not be calculated

1. Check if the destination can be searched.

Is it possible to search for a destination?

Да - Go to detailed check G830887t96.
No - Check the status of the disc with map information (scratches, dirt, deformation, cracks, authenticity, etc.).

G830887t96: Route could not be calculated

1. Check if you can touch scroll the map screen.

Is it possible to touch scroll the map screen?

Да - Check the status of the disc with map information (scratches, dirt, deformation, cracks, etc.). If there is no fault, suspect the navigation module. Refer to the note on installing a new module/element at the top of this section.
No - Check the status of the disc with map information (scratches, dirt, deformation, cracks, authenticity, etc.).

Detailed check G830887p21: Map display on screen is incomplete

G830887t97: Map display on screen is incomplete

1. Check if the map screen is displayed correctly when you scroll with touch.

Does the map screen display correctly when scrolling with touch?

Да - Check the status of the disc with map information (scratches, dirt, deformation, cracks, authenticity, etc.).
No - Go to detailed check G830887t98.

G830887t98: Map display on screen is incomplete

1. Check if you can zoom out on the map screen.

Is it possible to zoom out on the map screen?

Да - Go to detailed check G830887t99.
No - Check the status of the disc with map information (scratches, dirt, deformation, cracks, authenticity, etc.).

G830887t99: Map display on screen is incomplete

1. Check if the destination can be searched.

Is it possible to search for a destination?

Да - Go to detailed check G830887t100.
No - Check the status of the disc with map information (scratches, dirt, deformation, cracks, authenticity, etc.).

G830887t100: Map display on screen is incomplete

1. Replace the map disc and recheck the vehicle's condition.

Is the problem still present?

Да - Suspicion falls on the navigation module. Refer to the note on installing a new module/element at the top of this section.
No - Normal work.

Detailed Check G830887p22: Vehicle Position Marker Moves in Reverse Direction of Travel

G830887t101: Rear View Camera Screen Test

1. Check if the rear view camera works when reverse gear is selected.

Does the rear view camera work when reverse gear is selected?

Да - Go to detailed check G830887t102.
No - Refer to the electrical diagrams and check the integrity of the wiring harness and rear view display connectors. Check the integrated head unit (IHU).

G830887t102: Check signal REV 'ON'

1. Use the navigation diagnostic function to check the signals from the vehicle systems.

Is the REV 'ON' signal displayed correctly when the gear shift lever is in the reverse position?

Да - Go to detailed check G830887t103.
No - Refer to the electrical diagrams and check the integrity of the wiring harness and connectors of the navigation system. If the fault is still present, suspect the navigation module. Refer to the note on installing a new module/component at the top of this section.

G830887t103: Wiring Harness/Connector Tests

1. Refer to the electrical diagrams and check the integrity of the wiring harness and connectors of the navigation module.

Is the problem related to the wiring harness or the navigation module connectors?

Да - Fix the problem and recheck the condition of the vehicle.
No - Check the integrated head unit (IHU).

Detailed Check G830887p23: Cannot make or receive call using bluetooth phone

G830887t104: Display Check (range Rover only)

1. Press the phone button.

Is the message "Phone not connected" displayed on the screen?

Да - Go to detailed check G830887t105.
No - Go to detailed check G830887t110.

G830887t105: Bluetooth Compatibility Check

1. Check if your handset is compatible with Bluetooth.

Is the handset Bluetooth compatible?

Да - Go to detailed check G830887t106.
No - Use a Bluetooth compatible handset.

G830887t106: Testing the handset power supply

1. Check if the telephone handset is turned on.

Is the telephone handset turned on?

Да - Go to detailed check G830887t107.
No - Turn on the handset and repeat the test.

G830887t107: Initial connection settings

1. Check if the initial settings for connecting to the vehicle system have been completed.

Have the initial settings for connecting to the vehicle system been completed?

Да - Go to detailed check G830887t108.
No - Perform initial connection settings.

G830887t108: Testing connection with telephone handset

1. Check if the handset recognizes the car system.

Does the handset recognize the car system?

Да - Go to detailed check G830887t109.
No - Repeat the test using another Bluetooth compatible handset. If the problem still exists, suspect the telephone module. Refer to the note on installing a new module/element at the top of this procedure.

G830887t109: Testing connection with telephone handset

1. Turn off and on the Bluetooth handset.

Does the handset recognize the car system?

Да - Check the integrated head unit (IHU).
No - The telephone module is suspected. Refer to the note on installing a new module/element at the top of this procedure.

G830887t110: Testing connection with telephone handset

1. Check if the telephone handset is within the system coverage area.

Is the phone within 10 meters of the phone's bluetooth module?

Да - Go to detailed check G830887t111.
No - Move your phone into the range of the phone's Bluetooth module (10 meters).

G830887t111: Testing connection with telephone handset

1. Check if the telephone handset can receive while transmitting.

Does the telephone handset receive while transmitting?

Да - Check the integrated head unit (IHU).
No - Replace the handset.