CHECK HARNESS BETWEEN ECM CONNECTOR AND FUEL PUMP RELAY CONNECTOR.

1) Disconnect the connectors from the ECM.

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

Connector & terminal

(B136) No. 12 — (B220) No. 16:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit of harness between ECM connector and fuel pump relay connector.