CHECK GLOW RELAY.

1) Turn the ignition switch to OFF.

2) Remove the glow relay.

3) Check the glow relay.

QUESTION

Is the glow relay normal?

Yes No

In this case, repair the following item:

Short circuit to power supply in harness between ECM connector and glow relay connector

Short circuit to power supply in harness between ECM connector and glow plug connector

Replace the glow relay.