TC and CG Terminal Circuit [12/2013 - 11/2016]: Procedure

1. Turn the ignition switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *A	for 1AR-FE
   *B	for 2GR-FE
   *1	DLC3
   *a	Front view of wire harness connector (to ECM)

2. Disconnect the connector from the ECM.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   FOR 1AR-FE
   
   

   Tester Connection	Condition	Specified Condition
   F25-13 (TC) - A43-23 (TC)	Always	Below 1 Ω

   FOR 2GR-FE
   
   

   Tester Connection	Condition	Specified Condition
   F25-13 (TC) - A43-45 (TC)	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPAIR OR REPLACE WIRE HARNESS 

Result:  1

OK 

See step  2

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F25-4 (CG) - Body ground	Always	Below 1 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1

   DLC3

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPAIR OR REPLACE WIRE HARNESS 

Result:  1

OK 

See step  3

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F25-13 (TC) - Body ground	Always	1 MΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1

   DLC3

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [12/2013 - ] 

Result:  2

NG 

REPAIR OR REPLACE WIRE HARNESS OR REPLACE EACH ECU