Front Wiper Motor Circuit

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

Front Wiper Motor Circuit

DESCRIPTION

The front controller controls the wiper motor.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER OR TECHSTREAM (FRONT WIPER MOTOR)
(a) Select the ACTIVE TEST, use the intelligent tester or Techstream to generate a control command, and then check the front wiper motor.
NOTICE:
When a BODY NO.5 (front controller) related vehicle switch is ON, ACTIVE TEST items related to the vehicle switch are prohibited (double operation prohibition). Check that the vehicle switches are OFF before performing ACTIVE TEST.

(1) Intelligent tester

BODY NO. 5:





(2) Techstream

Body No. 5:





OK:
Front wiper motor operates.
NG -- INSPECT FRONT WIPER MOTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. INSPECT FRONT WIPER MOTOR




(a) Remove the front wiper motor Removal.
(b) Apply battery voltage to the front wiper motor and check the speed of the front wiper motor.
OK:






NG -- REPLACE FRONT WIPER MOTOR
OK -- Continue to next step.
3. CHECK AND REPLACE HARNESS AND CONNECTOR (FRONT WIPER MOTOR - FRONT CONTROLLER AND BODY GROUND)




(a) Disconnect the A32 motor connector.
(b) Disconnect the A51 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE FRONT CONTROLLER