TC and CG Terminal Circuit: Procedure

Fig 1: Checking Wire Harness (DLC3 - ECM And Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E5 ECM connector.
2. Measure the resistance of the wire harness side connectors.

   Standard resistance

   Tester Connection	Specified Condition
   D1-13 (TC) - E5-3 (TC)	Below 1 Ω
   D1-13 (TC) - Body ground	10 kΩ or higher
   D1-4 (CG) - Body ground	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE ECM