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.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic Procedure. Refer to INTERMITTENT CONDITION .
CHECK FOR OTHER DTCS
1. Refer to the recorded DTCs.
  Are there any Fuel Delivery DTCs present?
  
  Yes
  - Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX (6.2L) .
  No
  - Go To 3
CHECK THE (N213) FUEL PUMP PWM CONTROL CIRCUIT FOR A SHORT TO ANOTHER VOLTAGE SUPPLY
1. Turn the ignition off.
2. Disconnect the FPCM 2 harness connector.
3. Disconnect the Fuel Pump Module harness connector.
4. Check for continuity between the (N213) Fuel Pump PWM Control circuit and all other circuits at the FPCM 2 harness connector.
  Is there continuity between the (N213) Fuel Pump PWM Control circuit and any other circuit?
  
  Yes
  - Repair the (N213) Fuel Pump PWM Control circuit for a short to the circuit that showed continuity.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 4
CHECK THE (N214) FUEL PUMP PWM RETURN CIRCUIT FOR A SHORT TO ANOTHER VOLTAGE SUPPLY
1. Check for continuity between the (N214) Fuel Pump PWM Return circuit and all other circuits at the FPCM 2 harness connector.
  Is there continuity between the (N214) Fuel Pump PWM Return circuit and any other circuit?
  
  Yes
  - Repair the (N214) Fuel Pump PWM Return circuit for a short to the circuit that showed continuity.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Fuel Pump Control Module 2 according to the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .