AFS ECU Power Source Circuit

LIGHTING: LIGHTING SYSTEM: AFS ECU Power Source Circuit

AFS ECU Power Source Circuit

DESCRIPTION

This circuit detects the state of the ignition switch. The AFS ECU receives it from the ignition switch.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK WIRE HARNESS (AFS ECU - BATTERY AND BODY GROUND)




(a) Disconnect the A31 ECU connector.
(b) Measure the voltage of the wire harness side connector.
Standard voltage:





(c) Measure the resistance of the wire harness side connector.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE