Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CHECK WIRE HARNESS (DLC3 - ECM AND BODY GROUND)

Disconnect the E13 DLC3 connector.
Disconnect the A9 ECM connector.

Measure the resistance of the wire harness side connectors.

Fig 1: Identifying E13 DLC3 & A9 ECM Harness Connector Terminals

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Standard resistance

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
E13-13 (TC) - A9-27 (TC)	Below 1 Ω
E13-4 (CG) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE ECM