Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on, engine not running.
2. With the scan tool, read DTCs and record on the repair order.
  Is the DTC active or pending?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
CHECK THE FUEL PUMP (N13) PWM CONTROL CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the FPCM harness connector.
3. Disconnect the Fuel Pump Assembly harness connector.
4. Check for continuity between ground and the Fuel Pump (N13) PWM Control circuit at the FPCM harness connector.
  Is there continuity between ground and the Fuel Pump (N13) PWM Control circuit?
  
  Yes
  - Repair the Fuel Pump (N13) PWM Control circuit for a short to ground.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
CHECK FOR THE FUEL PUMP (N13) PWM CONTROL CIRCUIT SHORTED TO THE (N14) FUEL PUMP RETURN CIRCUIT
1. Check for continuity between the Fuel Pump (N13) PWM Control circuit and the Fuel Pump (N14) Return Circuit at the FPCM harness connector.
  Is there continuity between the Fuel Pump (N13) PWM Control circuit and the Fuel Pump (N14) Return Circuit?
  
  Yes
  - Repair the short between the Fuel Pump (N13) PWM Control circuit and the Fuel Pump (N14) Return Circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 4
REPLACE THE FUEL PUMP ASSEMBLY AND RETEST FOR DTCS
1. Replace the Fuel Pump Assembly in accordance with the Service Information. Refer to MODULE, FUEL PUMP, REMOVAL .
2. Reconnect all harness connectors.
3. Turn the ignition on.
4. With the scan tool, read DTCs.
  Does the DTC still display as active or pending?
  
  Yes
  - Replace the Fuel Pump Control Module according to the Service Information.
    Refer to MODULE, FUEL PUMP CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replacing the Fuel Pump Assembly repaired the fault.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .