Diagnostic Test
WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
- DTC IS ACTIVE NOTE:
If P0627, P0628 or P0629 has set along with this DTC, diagnose those DTC(s) first before continuing.
- Ignition on, engine not running.
- With the scan tool, select View DTCs.
Is the DTC Active at this time?
Yes
- Go To 2
No
- Perform the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
- FUEL PUMP MODULE
- Turn the ignition off.
- Disconnect the Fuel Pump Module harness connector.
- Ignition on, engine not running.
- Using the scan tool under the TIPM Actuators, actuate the Fuel Pump.
- With a 12-volt test light connected to ground, probe the (N1) Fuel Pump Control Output circuit at the Fuel Pump Module harness connector.NOTE:
The test light should be illuminated and bright. Compared the brightness to that of a direct connection to the battery.
Does the test light illuminate brightly and flash on and off?
Yes
- Replace the Fuel Pump Module in accordance with the Service Information.
- Perform the PCM VERIFICATION Test. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
No
- Go To 3
- (N1) FUEL PUMP CONTROL OUTPUT CIRCUIT SHORTED TO GROUND
- Turn the ignition off
- Disconnect the TIPM C7 harness connector.
- Measure the resistance between ground and the (N1) Fuel Pump Control Output circuit at the TIPM C7 harness connector.
Is the resistance below 100 ohms?
Yes
- Repair the short to ground in the (N1) Fuel Pump Control Output circuit.
- Perform the PCM VERIFICATION Test. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
No
- Go To 4
- TOTALLY INTEGRATED POWER MODULE NOTE:
Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
- Using the schematics as a guide, inspect the wire harness and connectors.
- Pay particular attention to all Power and Ground circuits.
Were any problems found?
Yes
- Repair as necessary.
- Perform the PCM VERIFICATION Test. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
No
- Replace the Totally Integrated Power Module in accordance with the Service Information.
- Perform the PCM VERIFICATION Test. Refer to the appropriate Testing & Diagnostics article in Engine Performance .