CHECK HARNESS BETWEEN ECM AND FUEL INJECTOR CONNECTOR.

Measure the resistance between ECM and chassis ground.

Connector & terminal

#1 (B137) No. 8 — Chassis ground:

#2 (B137) No. 9 — Chassis ground:

#3 (B137) No. 10 — Chassis ground:

#4 (B137) No. 11 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the short circuit to ground in harness between ECM and fuel injector connector.