Inspection Procedure

1. Disconnect the K16 DLC3 connector.
2. Disconnect the A54 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   K16-13(TC) - A54-63(TC)	Below 1 Ω
   K16-4 (CG) - Body ground	Below 1 Ω
   K16-13 (TC) - Body ground	10 kΩ or higher

   Fig 1: Identifying K16 DLC3 And A54 ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE