Checking the supply voltage - Figure 28
Technical conditions
| Contacts | State | Voltage |
| 30 and mass | Ignition OFF | battery |
| 86 and mass | Ignition OFF | battery |
Make sure the ignition is off.
Remove the relay.
Measure the voltage between the contacts of the relay socket and ground.
If the voltage is not within specifications, check the wiring and fuses.
Functionality check - Figure 29
Technical conditions
| Contacts | Nutrition | Resistance |
| 30 and 87 | No | Infinity |
| 30 and 87a | No | Infinity |
| 30 and 87 | Eat | Zero |
| 30 and 87a | Eat | Zero |
| "+" battery terminal to terminal 86 | ||
| "-" battery to terminal 85 | ||
Note: Please observe the specified polarity when connecting the power supply, otherwise the relay may be damaged.
Make sure the ignition is off.
Disconnect the relay.
Measure the resistance between the relay contacts.
(Information obtained from the website: «www.lrman.ru»)
Apply power from the battery to the indicated relay contacts.
Measure the resistance between the relay contacts.
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