CHECK HARNESS BETWEEN ECM AND FUEL INJECTOR CONNECTOR.

Measure the resistance between ECM connector and chassis ground and the resistance in ECM connector.

Connector & terminal

#1 (B135) No. 73 — Chassis ground:
#1 (B135) No. 74 — Chassis ground:
#1 (B135) No. 73 — (B135) No. 56:
#1 (B135) No. 74 — (B135) No. 56:
#2 (B135) No. 49 — Chassis ground:
#2 (B135) No. 51 — Chassis ground:
#2 (B135) No. 49 — (B135) No. 56:
#2 (B135) No. 51 — (B135) No. 56:
#3 (B135) No. 25 — Chassis ground:
#3 (B135) No. 26 — Chassis ground:
#3 (B135) No. 25 — (B135) No. 54:
#3 (B135) No. 26 — (B135) No. 54:
#4 (B135) No. 1 — Chassis ground:
#4 (B135) No. 3 — Chassis ground:
#4 (B135) No. 1 — (B135) No. 54:
#4 (B135) No. 3 — (B135) No. 54:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

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