Fuel Pump Relay Control Circuit

SYMPTOM
FUEL PUMP RELAY CONTROL CIRCUIT

WHEN MONITORED
With the ignition key on and battery voltage greater than 10 volts.

SET CONDITION
An open or shorted condition is detected in the fuel pump relay control circuit.

POSSIBLE CAUSES
- Fused ignition switch output circuit open
- Fuel pump relay defective
- Fuel pump relay control circuit open
- Fuel pump relay control circuit short to ground
- Fuel pump relay wiring harness intermittent defect
- Fuel pump relay wiring harness observed defect
- PCM defective