Engine Switch Illumination Circuit

LIGHTING (EXT): LIGHTING SYSTEM: Engine Switch Illumination Circuit
- Engine Switch Illumination Circuit

DESCRIPTION

The engine switch illumination is controlled by the main body ECU. The operation and condition of this control are described below (Light control switch is OFF).





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT ENGINE SWITCH





(a) Remove the engine switch Removal.

(b) Apply battery voltage to the engine switch.

(c) Check that the illumination comes on.

OK:





NG -- REPLACE ENGINE SWITCH Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)

(a) Disconnect the E1 ECU connector.





(b) Disconnect the E18 engine switch 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 MAIN BODY ECU