Illumination Circuit

LIGHTING: LIGHTING SYSTEM: Illumination Circuit
- Illumination Circuit

DESCRIPTION

The multiplex network body ECU controls the following illumination lights.

1. Ignition key cylinder light (w/o Smart Key System)

2. Front interior light installed in personal light assembly

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

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

(e) Check the operation.

Body (Main Body)





OK:

Each light fades in.

NG -- INSPECT INTERIOR LIGHT

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

2. INSPECT INTERIOR LIGHT

(a) Inspect ignition key cylinder light Testing and Inspection.

(b) Inspect personal light assembly Testing and Inspection.

OK:

Each light is normal.

NG -- REPLACE INTERIOR LIGHT
OK -- Continue to next step.

3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

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





Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (EACH ILLUMINATE CIRCUIT)

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE