Inspection Procedure
WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT TRANSPONDER KEY ECU ASSEMBLY TERMINAL VOLTAGE
- Select the ACTIVE TEST, use the intelligent tester to generate a control command, and then check the security indicator light function.
Transponder key ECU assembly:
SECURITY INDICATOR LIGHTItem Test Details Diagnostic Note SECURITY INDIC Turn security indicator ON/OFF - - Measure the voltage of the T19 ECU connector.
Standard voltage:
w/ Navigation system
T19 ECU CONNECTOR (W/NAVIGATION SYSTEM)Tester Connection Security Indicator Light Condition Specified Condition T19-3 (IND) - Body ground ON 8 to 10 V OFF Below 1 V w/o Navigation system
T19 ECU CONNECTOR (W/O NAVIGATION SYSTEM)Tester Connection Security Indicator Light Condition Specified Condition T19-3 (IND) - Body ground ON 3 to 6 V OFF Below 1 V
- NG: Go to NAVIGATION SYSTEM (w/ NAVIGATION SYSTEM), MULTI-DISPLAY (w/o NAVIGATION SYSTEM)
- OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- Select the ACTIVE TEST, use the intelligent tester to generate a control command, and then check the security indicator light function.