Section 744 (Theft Deterrent System - Diagnosis): Pre-Check

1. DATA LIST 

   HINT:

   According to the DATA LIST displayed by the OBD II scan tool or hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.

   1. Connect the OBD II scan tool or hand-held tester to the DLC3.
   2. Turn the ignition switch ON.
   3. According to the display on tester, read the "DATA LIST".

   Standard (Theft deterrent ECU): 

   Fig 1: Data List Item Chart (Theft Deterrent ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard (Door ECU (Driver's door/Passenger's door)): 

   Fig 2: Data List Item Chart Door ECU (Driver's/Passenger's Door)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard (Body ECU): 

   Fig 3: Data List Item Chart (Body ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. ACTIVE TEST 

   HINT:

   Performing the ACTIVE TEST using the OBD II scan tool or hand-held tester allows the relay, VSV, actuator and so on to operate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time.

   It is possible to display the DATA LIST during the ACTIVE TEST.

   1. Connect the OBD II scan tool or hand-held tester to the DLC3.
   2. Turn the ignition switch ON.
   3. According to the display on tester, perform the "ACTIVE TEST".

Standard (Theft deterrent ECU): 

Fig 4: Active Test Item Chart (Theft Deterrent ECU)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002