Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read and record DTCs and Freeze Frame data 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 FOR HIGH RESISTANCE IN THE (N5) FUEL LEVEL SIGNAL 2 CIRCUIT
1. Turn the ignition off.
2. Disconnect the Fuel Pump Assembly harness connector.
3. Disconnect the BCM C6 harness connector.
4. Measure the resistance of the (N5) Fuel Level Signal 2 circuit between the Fuel Pump Assembly harness connector and the BCM C6 harness connector.
  Is the resistance below 3.0 Ohms?
  
  Yes
  - Go To 3
  No
  - Repair the high resistance in the (N5) Fuel Level Signal 2 circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CHECK FOR HIGH RESISTANCE IN THE (G109) FUEL LEVEL SENSE RETURN CIRCUIT
1. Measure the resistance of the (G109) Fuel Level Sense Return circuit between the Fuel Pump Assembly harness connector and the BCM C6 harness connector.
  Is the resistance below 3.0 Ohms?
  
  Yes
  - Replace the Fuel Pump Assembly in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Repair the high resistance in the (G109) Fuel Level Sense Return circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .