TC and CG Terminal Circuit: Procedure

B → See step   6 

C → See step   7 

A: Go to next step 

1. Disconnect the D72 hybrid vehicle control ECU connector.
   Fig 1: Identifying Hybrid Vehicle Control ECU Connector Terminals

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D47-13 (TC) - D72-11 (TC)	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of DLC3
   *2	Front view of wire harness connector (to Hybrid Vehicle Control ECU)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D47-4 (CG) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of DLC3

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D47-13 (TC) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of DLC3

   HINT: 

   If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next suspected area before replacing the part, refer to PROBLEM SYMPTOMS TABLE .

NG → REPAIR OR REPLACE WIRE HARNESS OR EACH ECU 

OK → See step   5