CHECK FOR POOR CONTACT.

Check for poor contact of the ECM connector.

QUESTION

Is there poor contact in ECM connector?

Yes No

Repair poor contact of the ECM connector.

Even if DTC is detected, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

NOTE:

In this case, temporary open or short circuit of harness or temporary poor contact of connector may be the cause.