Operation CHARM: Car repair manuals for everyone.

Wiper ECU Power Source Circuit








WIPER AND WASHER: WIPER AND WASHER SYSTEM: Wiper ECU Power Source Circuit

Wiper ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the Windshield Wiper ECU.
This circuit is the power source for the BEAN drive circuit.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT WINDSHIELD WIPER ECU (+B, GND)





(a) Disconnect the connector from the windshield wiper ECU.
(b) Check that there is continuity between terminal GND on the wire harness side and body ground.
Standard:
Continuity
(c) Measure the voltage between terminal +B on the wire harness side and body ground.
Standard voltage:
10 to 14 V
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE