Inspection Procedure

1. CHECK WIRE HARNESS (TC of DLC3 - HYBRID VEHICLE CONTROL ECU) 
   1. Disconnect the D1 connector from the DLC3 and H29 connector from the hybrid vehicle control ECU.
   2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART
      
      

      Tester Connection	Condition	Specified Condition
      H29-3 (TC) - D1-13 (TC)	Always	Below 1 Ω

      Fig 1: Checking Wire Harness (TC Of DLC3 - Hybrid Vehicle Control ECU)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - HYBRID VEHICLE CONTROL ECU) 

      OK: Go to next step. 

2. CHECK WIRE HARNESS (CG of DLC3 - BODY GROUND) 
   1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART
      
      

      Tester Connection	Condition	Specified Condition
      D1-4 (CG) - Body ground	Always	Below 1 Ω

      Fig 2: Identifying DLC3 Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND) 

      OK: Go to next step. 

3. CHECK WIRE HARNESS (TC of DLC3 - BODY GROUND) 
   1. Measure the resistance according to the value(s) in the table below.

Standard resistance 

Fig 3: Identifying DLC3 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU 

OK: REPLACE HYBRID VEHICLE CONTROL ECU