P0627

Test 1 - Test 3:

Test 4 - Test 6:

SYMPTOM
P0627-FUEL PUMP RELAY CIRCUIT

WHEN MONITORED
With the ignition on. Battery voltage greater than 10.4 volts.

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

POSSIBLE CAUSES
- Fuel pump relay operation
- (A14) Fused ignition switch output circuit
- Fuel pump relay resistance
- (K31) Fuel pump relay control circuit open
- (K31) Fuel pump relay control circuit short to ground
- PCM