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Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
  1. DTC IS ACTIVE 
    NOTE: If P0627, P0628 or P0629 has set along with this DTC, diagnose those DTCs first before continuing.
    1. Ignition on, engine not running.
    2. With the scan tool, select View DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go to step  2

      No 

  2. FUEL PUMP MODULE 
    Fig 1: Checking Fuel Pump Control Output Circuit
    GC0103607Courtesy of CHRYSLER LLC
    1. Disconnect the Fuel Pump Module harness connector.
    2. Ignition on, engine not running.
    3. Using the scan tool under the TIPM Actuators, actuate the Fuel Pump.
    4. With a 12-volt test light connected to ground, probe the (N1) Fuel Pump Control Output circuit at the Fuel Pump Module harness connector.

      Does the test light illuminate brightly and flash on and off?

      Yes 

      No 

      • Go to step  3
  3. (N1) FUEL PUMP CONTROL OUTPUT CIRCUIT OPEN 
    Fig 2: Checking Fuel Pump Control Output Circuit
    GC0103611Courtesy of CHRYSLER LLC
    1. Turn the ignition off
    2. Disconnect the TIPM C7 harness connector.
    3. Measure the resistance of the (N1) Fuel Pump Control Output circuit between the TIPM C7 harness connector and the Fuel Pump Module harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go to step  4

      No 

  4. TOTALLY INTEGRATED POWER MODULE (TIPM) 
    NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage or terminal push out. Repair as necessary.
    1. Using the schematics as a guide, inspect the wire harness and connectors.
    2. Pay particular attention to all Power and Ground circuits.

      Were any problems found?

      Yes 

      No