Diagnosis Procedure
- CHECK DTC PRIORITY
If DTC "U1507" is displayed with DTC "U1000", first diagnose the DTC "U1000".
Is applicable DTC detected?
YES
Perform diagnosis of applicable. Refer to DTC DESCRIPTION .
NO
GO TO STEP 2 .
- CHECK RIGHT/LEFT SWITCHING SIGNAL CIRCUIT
Check right/left switching signal circuit. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES
Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to TROUBLE DIAGNOSIS FLOW CHART .
NO
Repair right/left switching signal circuit.