CAN

RDR-L 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).
-Side radar LH
-Harness connector B400
-Harness connector B77
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 side radar LH.
2.Check the resistance between the side radar LH harness connector terminals.





Is the measurement value within the specification?
YES- GO TO 3.
NO- Repair the side radar LH branch line.

3. CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the side radar LH. Refer to "SIDE RADAR LH : Diagnosis Procedure" Blind Spot Warning & Blind Spot Intervention.
Is the inspection result normal?
YES (Present error)-Replace the side radar LH. Refer to "Removal and Installation" Blind Spot Warning & Blind Spot Intervention.
YES (Past error)-Error was detected in the side radar LH branch line.
NO- Repair the power supply and the ground circuit.
Revision: March 20122013 Infiniti JX