CHECK HARNESS BETWEEN ECM AND FUEL INJECTOR CONNECTOR.

1) Disconnect the connectors from fuel injectors #1 and #2.

2) Measure the resistance of harness between ECM connector and fuel injector connector.

Connector & terminal

(B134) No. 21 — (E5) No. 1:

(B134) No. 21 — (E16) No. 1:

(B134) No. 37 — (E16) No. 2:

(B134) No. 38 — (E16) No. 2:

(B134) No. 39 — (E5) No. 2:

(B134) No. 40 — (E5) No. 2:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the poor contact of the ECM connector or fuel injector connector.

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit in harness between ECM connector and fuel injector connector

Poor contact of coupling connector