TC and CG Terminal Circuit: Procedure

1. Turn the ignition switch off.
   Fig 1: Checking Wire Harness (TC Of DLC3 - TC Of ECM)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the connector from the ECM.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   for 2ZR-FE 

   for 2AZ-FE 

   Tester Connection	Condition	Specified Condition
   E15-13 (TC) - A37-41 (TC)	Always	Below 1 Ω

   Tester Connection	Condition	Specified Condition
   E15-13 (TC) - A37-27 (TC)	Always	Below 1 Ω

NG → REPAIR OR REPLACE WIRE HARNESS 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 2: Checking DLC3 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E15-4 (CG) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE WIRE HARNESS 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 3: Checking DLC3 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E15-13 (TC) - Body ground	Always	1 MΩ or higher

NG → REPAIR OR REPLACE WIRE HARNESS OR EACH ECU 

OK → See step   4