Front Wiper Motor Circuit

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

DESCRIPTION

The windshield wiper relay assembly controls the windshield wiper motor assembly.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuse for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY

(a) Remove the windshield wiper motor assembly Removal.





(b) Check low speed operation.

(1) Connect an auxiliary battery positive (+) lead to terminal 5 (+1) and a negative (-) lead to terminal 4 (E), and check that the motor operates at low speed.

OK:

Motor operates at low speed.

(c) Check high speed operation.

(1) Connect an auxiliary battery positive (+) lead to terminal 3 (+2) and a negative (-) lead to terminal 4 (E), and check that the motor operates at high speed.

OK:

Motor operates at high speed.

Text in Illustration





NG -- REPLACE WINDSHIELD WIPER MOTOR ASSEMBLY Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR ASSEMBLY - BATTERY AND BODY GROUND)

(a) Disconnect the A32 windshield wiper motor connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR - WINDSHIELD WIPER RELAY)

(a) Disconnect the H75 windshield wiper relay assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures