Ignition Switch & Key Unlock Warning System: Inspection

1. Inspect Ignition Switch Continuity 
   Fig 1: Identifying Ignition Switch Positions & Terminal View

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   IGNITION SWITCH CONTINUITY REFERENCE
   
   

   Switch Position	Tester Connection	Specified Condition
   LOCK	-	No Continuity
   ACC	1 - 3	Continuity
   ON	1 - 2 - 3 5 - 6	Continuity
   START	1 - 2 4 - 5 - 6	Continuity

   If continuity is not as specified, replace the switch.

2. Inspect Key Unlock Warning Switch Continuity 
   Fig 2: Inspecting Key Unlock Warning Switch Continuity

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   KEY UNLOCK WARNING SWITCH CONTINUITY REFERENCE
   
   

   Switch Position	Tester Connection	Specified Condition
   OFF (Key removed)	-	No Continuity
   ON (Key set)	1 - 2	Continuity

   If continuity is not as specified, replace the switch.

3. Inspect Key Unlock Warning Buzzer 

Check that the buzzer sounds when driver's door is opened and the key is inserted.

Fig 3: Identifying Key Unlock Warning Buzzer Sound Creating Pattern

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If operation is not as specified, replace the combination meter.

(See COMBINATION METER )