Diagnosis Procedure

CHECK DIAGNOSTIC RESULT
Check the diagnostic result for other control unit.

Is the DTC detected in other control units?

YES

GO TO 2.

NO

GO TO 3.
CHECK CHARGING SYSTEM
Check charging system condition. Refer to Inspection Procedure .

INSPECTION END
CHECK BATTERY
Check battery. Refer to Work Procedure .

Is the inspection result normal?

YES

GO TO 4.

NO

Repair or replace the malfunctioning part.
CHECK FUSE FOR BCM
Check the fuse for BCM. Refer to Wiring Diagram .

Is the inspection result normal?

YES

GO TO 5.

NO

Replace the blown fuse after repairing the affected circuit if a fuse is blown.

CHECK SIDE RADAR RH POWER SUPPLY AND GROUND CIRCUIT

Check voltage between side radar RH harness connector terminals.

Is the inspection result normal?

YES

GO TO 6.

GO TO 7.

CHECK CONNECTOR AND TERMINAL
1. Check the front camera unit harness connector for disconnection or looseness.
2. Check the front camera unit harness connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

INSPECTION END

NO

Repair/replace harness connector or terminal.
CAN COMMUNICATION SYSTEM DIAGNOSIS
Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart .

GO TO 8.

CHECK THE GROUND CIRCUIT

Check continuity between front camera unit harness connector and ground.

Is the inspection result normal?

YES

If other control units also report undervoltage, check battery or alternator. Refer to Work Procedure and Inspection Procedure .

Repair open circuit in harness or connectors.