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Inspection Procedure

CHECK IGNITION OR STARTER SWITCH ASSY

Check the ignition switch, as shown in the illustration and table.

Standard:

TERMINAL SPECIFIED CONDITION REFERENCE

Terminal No.	Switch position	Specified condition
-	LOCK	-
1 <=> 3	ACC	Continuity
1 <=> 2 <=> 3 5 <=> 6	ON	Continuity
1 <=> 2 4 <=> 5 <=> 6	START	Continuity

Fig 1: Identifying Connector Terminal

G02861132

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE IGNITION OR STARTER SWITCH ASSY
OK: GO TO NEXT STEP.

CHECK FUSE (ECU-B)
1. Remove the fuse from the instrument panel J/B.
2. Check the continuity of the fuse.
  Standard: Continuity
  
  Fig 2: Identifying Fuse (ECU-B)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPLACE FUSE
2. OK: GO TO NEXT STEP.

CHECK RELAY (Marking: IG1)

Remove the relay from the instrument J/B.

Inspect the relay continuity, as shown in the illustration and table.

Standard:

TERMINAL SPECIFIED CONDITION REFERENCE

Terminal No.	Condition	Specified condition
1 <=> 2	Constant	Continuity
3 <=> 5	Apply B+ between terminals 1 and 2	Continuity

Fig 3: Identifying Relay

G02861134

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE RELAY
OK: GO TO NEXT STEP.

CHECK TVIP ECU

Disconnect the TVIP ECU connector.
Turn the ignition switch ON.

Measure the voltage between the terminal of the ECU connector and the body ground, as shown in the illustration and table.

Standard:

VOLTAGE RESISTANCE SPECIFICATION

Symbols (Terminal No.)	Specified condition
IG (T3-10) <=> Body ground	10 - 14 V

Fig 4: Identifying TVIP ECU

G02861135

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
OK: CHECK AND REPLACE TVIP ECU (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )