Ignition Switch & Key Unlock Warning Switch: Inspection

INSPECT IGNITION SWITCH CONTINUITY

IGNITION SWITCH CONTINUITY INSPECTION

Switch position	Tester connection	Specified condition
LOCK	-	No continuity
ACC	2 - 3	Continuity
ON	2 - 3 - 4 - 6 - 7	Continuity
START	1 - 2 - 3 - 4 - 6 - 7 - 8	Continuity

If continuity is not as specified, replace the switch.

Fig 1: Identifying Ignition Switch Position

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT IGNITION KEY ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the indicator light lights up.

If operation is not as specified, replace the switch.

Fig 2: Identifying Ignition Switch Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT KEY UNLOCK WARNING SWITCH CONTINUITY

KEY UNLOCK WARNING SWITCH CONTINUITY INSPECTION

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

Fig 3: Identifying Key Unlock Warning Switch Connectors