Section 1009 (Theft Deterrent System): Inspection

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT THEFT DETERRENT INDICATOR LIGHT OPERATION
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.

Fig 1: Inspecting Theft Deterrent Indicator Light Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT THEFT DETERRENT INDICATOR LIGHT CIRCUIT (See CIRCUIT INSPECTION )

INSPECT ENGINE HOOD COURTESY SWITCH CONTINUITY

SWITCH POSITION TABLE

Switch position	Tester connection	Specified condition
OFF (closed)	-	No continuity
ON (opened)	1-2	Continuity

If continuity is not as specified, replace the switch.

Fig 2: Inspecting Engine Hood Courtesy Switch Continuity

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT ENGINE HOOD COURTESY SWITCH CIRCUIT (See ENGINE HOOD COURTESY SWITCH CIRCUIT )

Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown in Fig 3 .

Fig 3: Inspecting Engine Hood Courtesy Switch Circuit

SPECIFIED CONDITION CHART

Tester connection	Condition	Specified condition
2 - Ground	Always	Continuity

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

Inspect THEFT DETERRENT SIREN BATTERY
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.