|
|
Symptom: P0627-FUEL PUMP RELAY CIRCUIT When Monitored and Set Condition: 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 INTERMITTENT OPERATION INTERMITTENT CONDITION FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN INTEGRATED POWER MODULE FUEL PUMP RELAY IPM FUSE & RELAY CENTER FUEL PUMP RELAY CONTROL CIRCUIT OPEN FUEL PUMP RELAY CONTROL CIRCUIT SHORT TO GROUND PCM TEST ACTION APPLICABILITY 1 Turn the ignition on. t, actuate the Fuel Pump Relay. Is the Fuel Pump Relay operating? All Yes → Go To 2 No → Go To 3 2 Turn the ignition on. t, actuate the Fuel Pump Relay. Wiggle the wiring harness from the Fuel Pump Relay to the PCM while the relay is All Yes → Repair as necessary. Perform POWERTRAIN VERIFICATION TEST VER - 5. No → Refer to the INTERMITTENT CONDITION symptom in the Driveability category. 238 DRIVEABILITY - NGC |