Theft Deterrent System - Diagnostics: Inspection

INSPECT SECURITY HORN ASSY

Check operation of the horn.

OK:

MEASUREMENT SPECIFIED CONDITION

Measurement Condition	Specified Condition
Battery positive (+) --> Terminal 1 Battery negative (-) --> Horn bracket	Horn sounds

Fig 1: Identifying Security Horn Assy

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the horn.

INSPECT IGNITION SWITCH ASSY

Measure the resistance of the switch.

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Position	Specified Condition
2 - 4	LOCK	10 k ohms or higher
2 - 4	ON	Below 1 ohms

Fig 2: Identifying Ignition Switch Assy

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the switch.

INSPECT ENGINE HOOD COURTESY SWITCH

Measure the resistance of the switch.

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
1 - 2	Pushed (OFF)	10 k ohms or higher
1 - 2	Not Pushed (ON)	Below 1 ohms

Fig 3: Identifying Engine Hood Courtesy Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the switch.

INSPECT OUTER MIRROR SWITCH ASSY

Apply battery voltage between the terminals of the indicator, and check the lighting condition of the security indicator.

NOTE:

If the positive (+) lead and the negative (-) lead are incorrectly connected, the security indicator does not illuminate.
A voltage of more than 12 V will damage the security indicator.
If the voltage is too low, the security indicator will not illuminate.

OK:

MEASUREMENT SPECIFIED CONDITION

Measurement Condition	Specified Condition
Battery positive (+) --> Terminal 3 (LP) Battery negative (-) --> Terminal 5 (E)	Illuminates

Fig 4: Identifying Outer Mirror Switch Assy

If the result is not as specified, replace the switch.