From 08/2009

LIGHTING (INT): LIGHTING SYSTEM: Overhead Console Illumination Light Circuit
- Overhead Console Illumination Light Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) controls the center console spot light.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

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

(e) Check that the center console spot light comes on.

Main Body





OK:

Center console spot light comes on.

NG -- INSPECT MAP LIGHT ASSEMBLY

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE From 08/2009

2. INSPECT MAP LIGHT ASSEMBLY

(a) Remove the map light assembly Components.





(b) Connect a positive (+) lead from the battery to terminal 9 and a negative (-) lead to terminal 16.

(c) Check that the center console spot light comes on.

OK:

Center console spot light comes on.

Text in Illustration





NG -- REPLACE MAP LIGHT ASSEMBLY Components
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

(a) Disconnect the T10 map light assembly connector.





(b) Disconnect the F12 main body ECU (multiplex network body ECU) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





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

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)