Power Switch Illumination Circuit

LIGHTING (INT): LIGHTING SYSTEM: Power Switch Illumination Circuit
- Power Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the power switch illumination.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Smart Access / Active Test.

(e) Check that the illumination operates.

Smart Access





OK:

Power switch illumination comes on.

NG -- INSPECT POWER SWITCH

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Interior Lighting System

2. INSPECT POWER SWITCH

(a) Remove the power switch Removal.





(b) Connect a positive (+) lead from the auxiliary battery to terminal 11 (SWIL) and a negative (-) lead to terminal 5 (GND).

(c) Check that the power switch illumination comes on.

OK:

Power switch illumination comes on.

Text in Illustration





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

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

(a) Disconnect the H1 certification ECU (smart key ECU assembly) connector.

(b) Disconnect the H78 power 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 CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) Removal