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Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  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 step  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 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 step  3

      No 

  3. (K236) SRV CONTROL CIRCUIT SHORTED TO GROUND 
    Fig 2: Checking SRV Control Circuit For Short To Ground
    GC0097602Courtesy of CHRYSLER 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 step  4

      No 

  4. (K236) SRV CONTROL CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 3: Checking SRV Control Circuit For An Open Or Excessive Resistance
    GC0097603Courtesy of CHRYSLER 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 8815 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 8815.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go to step  5

      No 

  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 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 8815 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 8815.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go to step  6

      No 

  6. (K235) SRV SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 5: Checking SRV Signal Circuit For Open Or Excessive Resistance
    GC0097605Courtesy of CHRYSLER 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 8815 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 8815.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go to step  7

      No 

  7. (K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE 
    Fig 6: Checking SRV Ground Circuit For Open Or Excessive Resistance
    GC0097606Courtesy of CHRYSLER 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 8815 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 8815.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go to step  8

      No 

  8. SHORT RUNNER VALVE ASSEMBLY 
    Fig 7: Checking SRV Control Circuit
    GC0097607Courtesy of CHRYSLER 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 

      No 

      • Go to step  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 

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