Checking the input signal of the lock control unit
1. Remove the driver's side door panel.
2. Disconnect the 8K connector from the control unit.
3. Inspect the connectors and contacts of the sockets to make sure they are in good contact.
- If the pins are bent, loose, or corroded, repair them and check the system again.
- If the pins are OK, perform the following tests on the input signal at the connector.
- If any of the tests indicate a problem, find and correct the cause, then test the system again.
- If all input signal tests are positive, the control unit is faulty, replace.
Disconnect the 8K connector from the lock drive control unit
Connect the 8K connector to the door lock actuator control unit.
Attention. To avoid engine damage, apply battery voltage only for short periods of time
Checking the driver's door lock actuator/driver's door lock switch button
1. Remove the driver's door panel.
2. Disconnect the 6K connector (keyless unlocking system) or ZK (without keyless unlocking system) from the drive (with keyless unlocking system) or button switch (without keyless unlocking system).
3. Check the operation of the drive by connecting power and ground according to the table.
(with keyless unlocking system)
4. If the drive does not operate properly, replace it.
5. Check the continuity between the contacts in each switch position, in accordance with the table.
(with key base unlocking system)
(with keyless unlocking system)