Theft Deterrent System: Inspection

1. Remove the combination meter.
2. Disconnect the combination meter connector.
3. Check indicator light lights up when connect the positive (+) lead from the battery to terminal B8 and the negative (-) lead to terminal B1 of combination meter connector.

If operation is not as specified, replace the indicator light.

(See  CIRCUIT INSPECTION  ) 

Fig 1: Identifying Theft Deterrent Indicator Light Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.

Fig 2: Identifying Engine Hood Courtesy Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

(See  ENGINE HOOD COURTESY SWITCH CIRCUIT  ) 

Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.

Fig 3: Identifying Engine Hood Courtesy Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If circuit is not as specified, inspect power source or wire harness.

1. The internal battery is fully discharged.
2. Set the system inside the vehicle.
3. Disconnect the connector of theft deterrent ECU in this condition, and sounds the siren for open detection.
4. The siren battery is normal when the siren sounds for 30 seconds, stops, then after 5 seconds, seconds again.
5. Replace the siren battery when the siren stops sounding before 30 seconds elapse the battery because the battery life has run out.