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Power supply modes (Freelander 2)

 
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Contents: Transport mode ⇩ Vehicles equipped with the…⇩ Battery pack with glass microfiber…⇩ Battery monitoring system ⇩ Voltage quality control unit ⇩
The CJB controls the power supply to the various functions of the vehicle. There are 9 power modes available, which are used by the various systems to determine the current state of the vehicle. Only three of these modes will be visible to the driver and maintenance personnel:
  • Power Mode 4 - Auxiliary Devices
  • Power Mode 6 - Ignition
  • Power Mode 9 - Engine Start

Transport mode


All new vehicles are in transport mode when they leave the factory. Transport mode replaces the traditional transport relay and deactivates a number of electrical systems and functions to prevent static discharge of the battery while driving. When the vehicle is in transport mode, the 'transp' symbol appears on the instrument cluster odometer.

To cancel transport mode, a Land Rover approved diagnostic system must be connected to the vehicle during Pre-Delivery Inspection (PDI). Please refer to the PDI guide for further information.

Vehicles equipped with the Stop/Start system - starting from 2010 MY


Component arrangement


The Land Rover TD4_e introduces the intelligent Stop/Start system. The components listed below are used to operate the Stop/Start system. For further information, refer to the chapter: Starting system (303-06C Starting system - 2.2L Duratorq - Td4, Vehicles built from 03/2009, Description and operation).

The Land Rover TD4_e introduces the intelligent Stop/Start system. The components listed below are…


Pos.Spare part numberName
1-Voltage quality module
2-Battery control unit
3-AGM (Absorbent Glass Microfiber) battery



Battery pack with glass microfiber absorbent partitions


Battery pack with glass microfiber absorbent partitions


To avoid excessive energy consumption by the Stop/Start system, these vehicles use a highly efficient battery with glass microfibre absorbent baffle technology. The advantage of this battery over a conventional battery is the glass absorbent baffles between the lead plates. For more information, see chapter: Starting System (303-06C Starting System - 2.2L Duratorq - Td4, Vehicles manufactured from 03/2009 onwards, Description and Function).

Battery monitoring system


Battery monitoring system


An optimal battery condition is a fundamental factor for the proper operation of the Stop/Start system. Therefore, the vehicle has a built-in battery monitoring system (BMS) unit designed to record and report the battery condition. For more information, refer to the chapter: Starting system (303-06C Starting system - 2.2L Duratorq - Td4, Vehicles manufactured from 03/2009, Description and operating principle).



Voltage quality control unit


Voltage quality control unit


During the Stop/Start cycle, the Voltage Quality Module (VQM) supports the vehicle's electrical systems by supplying auxiliary voltage to the electronic components during engine restarts. It allows the vehicle's essential systems to continue operating after an unexpected drop in battery voltage. For more information, refer to the chapter: Starting System (303-06C Starting System - 2.2L Duratorq - Td4, Vehicles manufactured from 03/2009 onwards, Description and Function).


This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Article review: Roman Mitrofanov


 

Previous articles
Starting a car using a donor car
Starting a car using a starting device
Inspection and testing of the charging system
Charging System DTC Indicator
Disconnecting and connecting the battery
Description and principle of operation

Current article
Power supply modes

Next articles
Central electrical distribution box
Central mounting box
Auxiliary electrical distribution box
Removal and installation the battery
Battery installation shelf
Generator and voltage regulator specification
Description and operating principle of the generator
Generator control circuit

 
 

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