Operation CHARM: Car repair manuals for everyone.

CAN




MAIN LINE BETWEEN RDR-L AND LANE 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 (connector side and harness side).
-Harness connector B2
-Harness connector M19
-Harness connector M23
-Harness connector R1
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the following harness connectors.
-Side radar LH
-Harness connectors B2 and M19
2.Check the continuity between the side radar LH harness connector and the harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the side radar LH and the harness connector B2.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the harness connectors M23 and R1.
2.Check the continuity between the harness connectors.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair the main line between the harness connectors M19 and M23.

4. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the connector of lane camera unit.
2.Check the continuity between the harness connector and the lane camera unit harness connector.





Is the inspection result normal?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the main line between the side radar LH and the lane camera unit.
NO- Repair the main line between the harness connector R1 and the lane camera unit.