Inspection Procedure

1. Check the ignition switch.

   Standard: 

   IGNITION OR STARTER SWITCH ASSEMBLY CHECK
   
   

   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: Checking Starter Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE IGNITION OR STARTER SWITCH ASSY 

OK: Go to next step 

1. Remove the fuse from the instrument panel J/B.
2. Check the continuity of the fuse.

   Standard: Continuity 

   Fig 2: Checking ECU-B Fuse

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FUSE 

OK: Go to next step 

1. Remove the relay from the instrument J/B.
2. Inspect the relay continuity.

   Standard: 

   RELAY CONTINUITY CHECK
   
   

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

   Fig 3: Checking IG1 Relay

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE RELAY 

OK: Go to next step 

1. Disconnect the TVIP ECU connector.
2. Turn the ignition switch ON.
3. Measure the voltage between the terminal of the ECU connector and the body ground.

   Standard: 

   TVIP ECU CHECK
   
   

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

   Fig 4: Checking TVIP ECU

   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  .