CHECK HARNESS BETWEEN ECM AND DELIVERY (TEST) MODE CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ECM.

3) Measure the resistance of harness between delivery (test) mode connector and chassis ground.

Connector & terminal

(B76) No. 1 — Chassis ground:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the harness and connector.

NOTE:

In this case, repair the following item:

• Open circuit in harness between delivery (test) mode connector and chassis ground

• Poor contact of joint connector

• Poor contact of coupling connector