CHECK HARNESS BETWEEN ECM AND FUEL INJECTOR CONNECTOR.

1) Disconnect the connectors from the ECM.

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

Connector & terminal

(B134) No. 17 — (E5) No. 1:

(B134) No. 16 — (E16) No. 1:

(B134) No. 27 — (E6) No. 1:

(B134) No. 26 — (E17) No. 1:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit of harness between ECM and fuel injector connector

Poor contact of coupling connector