Operation CHARM: Car repair manuals for everyone.

CAN





LANE 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).
- Lane camera unit
- Harness connector R7
- Harness connector M110
- CAN gateway (AWD models with active AFS and ICC system)
Is the inspection result normal?
YES (AWD models with active AFS and ICC system)-GO TO 2.
YES (Except for AWD models with active AFS and 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).
3.CHECK HARNESS FOR OPEN CIRCUIT
1. Connect the connector of CAN gateway. (AWD models with active AFS and ICC system)
2. Disconnect the connector of lane camera unit.
3. Check the resistance between the lane camera unit harness connector terminals.





Is the measurement value within the specification?
YES - GO TO 4.
NO - Repair the lane camera unit branch line.
4.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the lane camera unit. Refer to Lane Camera Unit
Is the inspection result normal?
YES (Present error)-Replace the lane camera unit. Refer to Exploded View.
YES (Past error)-Error was detected in the lane camera unit branch line.
NO - Repair the power supply and the ground circuit.