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 following terminals and connectors for damage, bend and loose connection (unit side and connector side).
- Automatic back door control module
- CAN gateway (With ICC system)
Is the inspection result normal?
YES (With ICC system)-GO TO 2.
YES (Without ICC system)-GO TO 3.
NO - Repair the terminal and connector.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of CAN gateway.
2. Check the continuity between the CAN gateway harness connector terminals.





Is the inspection result normal?
YES - GO TO 3.
NO - Check the harness and repair the root cause (CAN communication circuit 2). Malfunction Area Chart.
3.CHECK HARNESS FOR OPEN CIRCUIT
1. Connect the connector of CAN gateway. (With ICC system)
2. Disconnect the connector of automatic back door control module.
3. Check the resistance between the automatic back door control module harness connector terminals.





Is the measurement value within the specification?
YES - GO TO 4.
NO - Repair the automatic back door control module branch line.
4.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the automatic back door control module. Power Supply And Ground Circuit.
Is the inspection result normal?
YES (Present error)-Replace the automatic back door control module. Automatic Back Door Control Module.
YES (Past error)-Error was detected in the automatic back door control module branch line.
NO - Repair the power supply and the ground circuit.