Commander 4WD V8-4.7L VIN N (2006)
Disconnect the Fuel Pump Module harness connector.
Measure the resistance of the (A109) Fuel Pump Relay Output circuit from the relay connector to the fuel pump module connector.
Is the resistance below 5.0 ohms?
Yes
-
Replace the Fuel Pump Relay.
-
Perform the POWERTRAIN VERIFICATION TEST. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Powertrain Verification Test
No
-
Repair the open in the (A109) Fuel Pump Relay Output circuit.
-
Perform the POWERTRAIN VERIFICATION TEST. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Powertrain Verification Test
