CAN

PWBD BRANCH LINE CIRCUIT


Diagnosis Procedure

1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the automatic back door control unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES - GO TO 2.
NO - Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of automatic back door control unit.
2. Check the resistance between the automatic back door control unit harness connector terminals.





Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the automatic back door control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the automatic back door control unit. Automatic Back Door Control Unit.
Is the inspection result normal?
YES (Present error)-Replace the automatic back door control unit. Removal And Installation.
YES (Past error)-Error was detected in the automatic back door control unit branch line.
NO - Repair the power supply and the ground circuit.