Interior Light Circuit

LIGHTING: LIGHTING SYSTEM: Interior Light Circuit
- Interior Light Circuit

DESCRIPTION

The main body ECU controls the illuminated entry system (interior light and ignition key cylinder light).

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect Techstream to the DLC3.

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

(c) Turn Techstream on.

(d) Select the following menu items: Body Electrical / Main Body / Active Test.

(e) Check the operation.

Main Body:





OK:

Each light fades in.

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.

2. CHECK VEHICLE CONDITION

(a) Check the vehicle condition.

Result:





B -- CHECK HARNESS AND CONNECTOR (LIGHT - BATTERY AND INSTRUMENT PANEL J/B ASSEMBLY)
A -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (LIGHT - BATTERY AND INSTRUMENT PANEL J/B ASSEMBLY)

(a) Disconnect the E25 transponder key amplifier connector (*1).





(b) Disconnect the Q9 rear room light assembly connector.

(c) Disconnect the IR and II instrument panel J/B assembly connectors.

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

Standard voltage:





Standard resistance:





HINT
*1: without Smart Key System

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

4. CHECK HARNESS AND CONNECTOR (LIGHT - BATTERY AND INSTRUMENT PANEL J/B ASSEMBLY)

(a) Disconnect the E25 transponder key amplifier connector (*1).





(b) Disconnect the Q6 overhead J/B connector.

(c) Disconnect the IR and II instrument panel J/B assembly connectors.

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

Standard voltage:





Standard resistance:





HINT
*1: without Smart Key System

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY