Ignition Switch & Key Unlock Warning System: Inspection

INSPECT IGNITION SWITCH CONTINUITY

Fig 1: Identifying Ignition Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

IGNITION SWITCH CONTINUITY REFERENCE

If continuity is not as specified, replace the switch.

INSPECT KEY UNLOCK WARNING SWITCH CONTINUITY

Fig 2: Identifying Key Unlock Warning Switch Inspection Position & Connector Terminal View

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

KEY UNLOCK WARNING SWITCH CONTINUITY REFERENCE

Condition	Tester Connection	Specified Condition
Switch OFF (Key Removed)	-	No Continuity
Switch ON (Key Set)	1-2	Continuity

If continuity is not as specified, replace the switch.

INSPECT IG1 RELAY CONTINUITY

Fig 3: Inspecting IG1 Relay Continuity

IG1 RELAY CONTINUITY REFERENCE

Condition	Tester Connection	Specified Condition
Constant	3-4	Continuity
Apply B+ Between Terminal 3 & 4	1-2	Continuity

If continuity is not as specified, replace the switch.