Interior Light Circuit: Procedure
WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.
- PERFORM ACTIVE TEST USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Main Body / Active Test.
- Check the operation.MAIN BODY (MAIN BODY ECU)
Tester Display Test Part Control Range Diagnostic Note Illuminated Entry System Personal light*1, center room light and rear room light ON/OFF Personal switch OFF, interior light switch in DOOR position, and all doors are closed HINT:
*1: w/ Sliding Roof
OK
Each light fades in.
NG → See step 2
OK → See step 4
- INSPECT FUSE (DOME)
- Remove the DOME fuse from the engine room relay block.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Display Condition Specified Condition DOME fuse Always Below 1 Ω
NG → REPLACE FUSE
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (BATTERY - INSTRUMENT PANEL JUNCTION BLOCK)
- Disconnect the 2K instrument panel junction block assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition 2K-2 (ILE) - Body ground Always 11 to 14 V
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE