Power Switch Illumination Circuit: Procedure
WARNING: This page is about a different variant/trim than selected.
- PERFORM ACTIVE TEST USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Smart Key / Active Test.
- Check that the illumination operates.SMART KEY
Tester Display Test Part Control Range Diagnostic Note Power / Engine SW Light Power switch illumination ON/OFF Operate with power switch on (IG) and the vehicle stopped. OK
Power switch illumination comes on.
NG → See step 2
OK → See step 5
- INSPECT POWER SWITCH
- Remove the power switch. Refer to REMOVAL .
- Inspect the power switch. Refer to INSPECTION
.
OK
Power switch illumination comes on.
NG → See step 4
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (POWER SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) AND BODY GROUND)
- Disconnect the L62 certification ECU (smart key ECU assembly) connector.
- Disconnect the L43 power switch connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition L43-11 (SWIL) - L62-11 (SWIL) Always Below 1 Ω L43-11 (SWIL) - Body ground Always 10 kΩ or higher L43-5 (GND) - Body ground Always Below 1 Ω
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 6
- REPLACE POWER SWITCH. Refer to REMOVAL
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE
- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL