CHECK POWER SUPPLY OF FUEL PUMP RELAY.

1) Turn the ignition switch to ON.

2) Measure the voltage between fuel pump relay connector and chassis ground.

Connector & terminal

(B220) No. 13 (+) — Chassis ground (−):

(B220) No. 15 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the poor contact of ECM connector.

Repair the open or ground short circuit of harness of power supply circuit.