Combination Switch ECU Power Source Circuit

LIGHTING: LIGHTING SYSTEM: Combination Switch ECU Power Source Circuit

Combination Switch ECU Power Source Circuit

DESCRIPTION

This circuit supply power source to the combination switch ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (COMBINATION SWITCH ECU - BATTERY)





(a) Disconnect the connector from the combination switch.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






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

2. CHECK HARNESS AND CONNECTOR (IGNITION SWITCH CIRCUIT)





(a) Measure the voltage according to the value(s) in the table below.
Standard voltage:






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

3. CHECK HARNESS AND CONNECTOR (COMBINATION SWITCH ECU - BODY GROUND)





(a) 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 CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE