Inspection Procedure
- READ DATA LIST USING HAND-HELD TESTER
- Connect the hand-held tester (with CAN VIM) to the DLC3.
- Turn the ignition switch ON and press the hand-held tester main switch ON.
- Select the items below in the DATA LIST and read the displays on the hand-held tester.
Theft warning ECU:
OK: "OFF" (smart key cancel switch is not pressed) appears on the screen.
NG: Go to step 2
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
- INSPECT SMART KEY CANCEL SWITCH ASSY
- Remove the smart key cancel switch.
- Measure the switch resistance.
TESTER CONNECTION AND SPECIFIED CONDITIONTester Connection Condition Specified Condition 1 -2 Switch pushed 10 kΩ or higher 1 -2 Switch not pushed Below 1 Ω NG: REPLACE SMART KEY CANCEL SWITCH ASSY
OK: GO TO NEXT STEP
- CHECK WIRE HARNESS (SMART KEY CANCEL SWITCH ASSY - THEFT WARNING ECU ASSY AND BODY GROUND)
- Disconnect the S45 switch connector.
- Disconnect the T5 ECU connector.
- Measure the resistance of the wire harness side connectors.
TESTER CONNECTION AND SPECIFIED CONDITIONTester Connection Specified Condition S45-2 - T5-10 (CNSL) Below 1 Ω S45-1 - Body ground Below 1 Ω S45-2 or T5-10 (CNSL) - Body ground 10 kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE THEFT WARNING ECU ASSY