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Diagnostic Test

  1. DTC IS ACTIVE 
    1. Turn the ignition on.
    2. With the scan tool, Clear DTCs in the Powertrain Control Module (PCM).
    3. With the scan tool, actuate the SRV Solenoid Control State.
    4. With the scan tool, select View DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go To  2.

      No 

  2. (F343) ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 1: Checking ASD Relay Output Circuit For An Open Or Excessive Resistance
    GC0097601Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Short Runner Valve Assembly harness connector.
    3. Turn the ignition on.
    4. With the scan tool, actuate the Auto Shutdown (ASD) Relay Control State.
    5. Using a 12-volt test light connected to ground, check the (F343) ASD Relay Output circuit in the Short Runner Valve Assembly harness connector.
      NOTE:

      The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

      Is the test light illuminated and bright?

      Yes 

      • Go To  3.

      No 

      • Repair the (F343) ASD Relay Output circuit for an open circuit or high resistance.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  3. (K236) SRV CONTROL CIRCUIT SHORTED TO GROUND 
    Fig 2: Checking SRV Control Circuit For Short To Ground
    GC0097602Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Powertrain Control Module (PCM) connector.
    3. Measure the resistance between ground and the (K236) SRV Control circuit in the Short Runner Valve Assembly harness connector.

      Is the resistance above 100 Ohms?

      Yes 

      • Go To  4.

      No 

      • Repair the (K236) SRV Control circuit for a short to ground.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  4. (K236) SRV CONTROL CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 3: Checking SRV Control Circuit For An Open Or Excessive Resistance
    GC0097603Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals, resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) to perform diagnosis.

    1. Measure the resistance of the (K236) SRV Control circuit between the Short Runner Valve Assembly harness connector and the appropriate terminal of PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position).

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  5.

      No 

      • Repair the (K236) SRV Control circuit for an open circuit or high resistance.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  5. (F856) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 4: Checking 5-Volt Supply Circuit For Open Or Excessive Resistance
    GC0097604Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals, resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) to perform diagnosis.

    1. Measure the resistance of the (F856) 5 Volt Supply circuit between the Short Runner Valve Assembly harness connector and the appropriate terminal of PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position).

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  6.

      No 

      • Repair the (F856) 5 Volt Supply circuit for an open circuit or high resistance.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  6. (K235) SRV SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 5: Checking SRV Signal Circuit For Open Or Excessive Resistance
    GC0097605Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals, resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) to perform diagnosis.

    1. Measure the resistance of the (K235) SRV Signal circuit between the Short Runner Valve Assembly harness connector and the appropriate terminal of PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position).

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  7.

      No 

      • Repair the (K235) SRV Signal circuit for an open circuit or high resistance.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  7. (K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 6: Checking SRV Ground Circuit For Open Or Excessive Resistance
    GC0097606Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals, resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) to perform diagnosis.

    1. Measure the resistance of the (K900) Sensor Ground circuit between the Short Runner Valve Assembly harness connector and the appropriate terminal of PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position).

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  8.

      No 

      • Repair the (K900) Sensor Ground circuit for an open circuit or high resistance.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  8. SHORT RUNNER VALVE ASSEMBLY 
    Fig 7: Checking SRV Control Circuit
    GC0097607Courtesy of CHRYSLER GROUP, LLC
    1. Connect the Powertrain Control Module (PCM) harness connector.
    2. Turn the ignition on.
    3. With the scan tool, actuate the SRV Solenoid Control State to toggle.
    4. Using a 12-volt test light connected to 12 volts, check the (K236) SRV Control circuit in the Short Runner Valve Assembly harness connector.
      NOTE:

      If the DTC is active, the actuation test may not be allowed by the PCM. If may be necessary to clear the DTCs before starting the actuation.

      NOTE:

      The test light should illuminate on and off with the actuation.

      Does the test light illuminate on and off with the actuation?

      Yes 

      • Replace the Short Runner Valve Assembly in accordance with the Service Information.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .

      No 

      • Go To  9.
  9. POWERTRAIN CONTROL MODULE (PCM) 
    1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Short Runner Valve Assembly and the Powertrain Control Module (PCM).
    2. Look for any chafed, pierced, pinched, or partially broken wires.
    3. Look for broken, bent, pushed out or corroded terminals.
    4. Perform any Technical Service Bulletins that may apply.

      Were any problems found?

      Yes 

      No 

      • Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information.
      • Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
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