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 (B134) No. 21 — Chassis ground:

#1 (B134) No. 39 — Chassis ground:

#1 (B134) No. 40 — Chassis ground:

#1 (B134) No. 21 — (B134) No. 65:

#1 (B134) No. 39 — (B134) No. 65:

#1 (B134) No. 40 — (B134) No. 65:

#2 (B134) No. 21 — Chassis ground:

#2 (B134) No. 37 — Chassis ground:

#2 (B134) No. 38 — Chassis ground:

#2 (B134) No. 21 — (B134) No. 65:

#2 (B134) No. 37 — (B134) No. 65:

#2 (B134) No. 38 — (B134) No. 65:

#3 (B134) No. 20 — Chassis ground:

#3 (B134) No. 18 — Chassis ground:

#3 (B134) No. 19 — Chassis ground:

#3 (B134) No. 20 — (B134) No. 65:

#3 (B134) No. 18 — (B134) No. 65:

#3 (B134) No. 19 — (B134) No. 65:

#4 (B134) No. 20 — Chassis ground:

#4 (B134) No. 16 — Chassis ground:

#4 (B134) No. 17 — Chassis ground:

#4 (B134) No. 20 — (B134) No. 65:

#4 (B134) No. 16 — (B134) No. 65:

#4 (B134) No. 17 — (B134) No. 65:

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.