Rear Wiper Motor Circuit

WIPER AND WASHER: WIPER AND WASHER SYSTEM: Rear Wiper Motor Circuit

Rear Wiper Motor Circuit

DESCRIPTION

Wiper motor is controlled by the Multiplex Network Body ECU No. 2. Even if CPU is in failure, its circuit structure enables the wiper to operate in "High" mode.

WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: Start the inspection from step 1 in the case of using the intelligent tester, and start from step 2 in the case of not using the intelligent tester.

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM
(a) Select the Active Test, use the Techstream to generate a control command, and then check the door lock motor function.

Body No. 2





OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.
2. INSPECT REAR WIPER MOTOR ASSEMBLY
NG -- REPLACE REAR WIPER MOTOR ASSEMBLY
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR
(a) Check for open and short circuit in the harness and the connector between the rear wiper motor and the multiplex network body ECU No. 2.
(b) Check for open and short circuit in the harness and the connector between the rear wiper motor and body ground.
(c) Check for open and short circuit in the harness and the connector between the rear wiper motor and battery.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE