Power Source Circuit [09/2014 - 10/2015]: Procedure

1. Disconnect the seat belt control ECU connectors.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   U34-7 (+B) - Body ground	Always	11 to 14 V
   U35-8 (IG1) - Body ground	Power switch on (IG)	11 to 14 V
   	Power switch off	Below 1 V

3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   U34-8 (PGND) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Seat Belt Control ECU)

Result:  OK

OK 

REPLACE SEAT BELT CONTROL ECU 

(See page. Refer to REMOVAL [09/2014 - 10/2015] )

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR