Illumination Circuit [10/2013 - ]: Procedure
- PERFORM ACTIVE TEST USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Main Body / Active Test.
- Perform the Active Test according to the display on the Techstream.MAIN BODY
Tester Display Test Part Control Range Diagnostic Note Cent Console Spot LGT Front console lights ON/OFF - OK
Front console lights come on.
NG → See step 2
OK → See step 5
- CHECK HARNESS AND CONNECTOR (DOME FUSE - FRONT CONSOLE LIGHTS)
- Disconnect the D13 No. 1 interior illumination light assembly connector.
- Disconnect the D14 console box light assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition D13-2 (+) - Body ground Engine switch on (IG) 11 to 14 V D14-2 (ILL+) - Body ground Engine switch on (IG) 11 to 14 V
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (FRONT CONSOLE LIGHTS - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
- Disconnect the D5 main body ECU (multiplex network body ECU) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition D13-1 (-) - D5-20 (CSPT) Always Below 1 Ω D14-1 (ILL-) - D5-20 (CSPT) Always Below 1 Ω D5-20 (CSPT) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 4
- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL [10/2013 - ]
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [10/2013 - ]