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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1611 (5.7L - DTCS P0521 To P1414 - 2500 Hd) >> DTC Troubleshooting >> P113D-O2 Sensor 1/1 Slow Response (High Frequency) >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    After any repairs have been made, verify proper O2 Sensor operation. If all the O2 Sensor voltage readings have not returned to normal, follow the diagnostic procedure for the remaining O2 Sensors.

    1. Start the engine.
    2. Allow the engine to reach normal operating temperature.
    3. With the scan tool, read DTCs and record on the repair order.
      NOTE:

      It may be necessary to drive the vehicle to meet the conditions to set this DTC, try to repeat the conditions in which the fault originally set by reviewing the Freeze Frame data.

      Is the DTC active or pending?

      Yes 

      • Go To  2

      No 

  2. CHECK THE EXHAUST SYSTEM FOR LEAKS 
    1. Turn the ignition off.
    2. Perform the CHECKING THE EXHAUST SYSTEM FOR LEAKS diagnostic procedure. Refer to CHECKING THE EXHAUST SYSTEM FOR LEAKS .

      Were any problems found with the Exhaust System?

      Yes 

      No 

      • Go To  3
  3. CHECK THE (K41) O2 SENSOR 1/1 SIGNAL CIRCUIT VOLTAGE 
    1. Turn the ignition off.
    2. Disconnect the O2 Sensor 1/1 harness connector.
    3. Turn the ignition ON.
    4. Measure the voltage on the (K41) O2 Sensor 1/1 Signal circuit at the O2 Sensor 1/1 harness connector.

      Is the voltage between 4.1 and 5.0 volts?

      Yes 

      • Go To  6

      No 

      • Go To  4
  4. CHECK THE (K41) O2 SENSOR 1/1 SIGNAL CIRCUIT FOR AN OPEN OR SHORT TO GROUND 
    1. Turn the ignition off.
      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 GPEC Diagnostic Adaptor to perform the diagnosis.

    2. Connect the (special tool #10436, Adapter, GPEC Diagnostic) to the engine harness side of the PCM C2 harness connector. Do not connect the GPEC Diagnostic Adaptor to the PCM.
    3. Measure the resistance of the (K41) O2 Sensor 1/1 Signal circuit between the O2 Sensor harness connector and the GPEC Adaptor.
    4. Check for continuity between ground and the (K41) O2 Sensor 1/1 Signal circuit at the at the GPEC Adaptor.

      Is the (K41) O2 Sensor 1/1 Signal circuit open or shorted to ground?

      Yes 

      • Repair the (K41) O2 Sensor 1/1 Signal circuit for an open or short to ground.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  5
  5. CHECK THE (K41) O2 SENSOR 1/1 SIGNAL CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT 
    1. Check for continuity between the (K41) O2 Sensor 1/1 Signal circuit and all other circuits at the GPEC Adaptor.

      Is there continuity between the (K41) O2 Sensor 1/1 Signal circuit and any other circuit?

      Yes 

      • Repair the (K41) O2 Sensor 1/1 Signal circuit for a short to another circuit.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  11
  6. CHECK THE (K902) O2 SENSOR 1/1 RETURN CIRCUIT VOLTAGE 
    1. Measure the voltage on the (K902) O2 Sensor 1/1 Return circuit in the O2 Sensor 1/1 harness connector.

      Is the voltage at 2.5 volts?

      Yes 

      • Go To  9

      No 

  7. CHECK THE (K902) O2 SENSOR 1/1 RETURN CIRCUIT FOR AN OPEN OR SHORT TO GROUND 
    1. Turn the ignition off.
      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 GPEC Diagnostic Adaptor to perform the diagnosis.

    2. Connect the (special tool #10436, Adapter, GPEC Diagnostic) to the engine harness side of the PCM C2 harness connector. Do not connect the GPEC Diagnostic Adaptor to the PCM.
    3. Measure the resistance of the (K902) O2 Sensor 1/1 Return circuit between the O2 Sensor harness connector and the GPEC Adaptor.
    4. Check for continuity between ground and the (K902) O2 Sensor 1/1 Return circuit at the at the GPEC Adaptor.

      Is the (K902) O2 Sensor 1/1 Return circuit open or shorted to ground?

      Yes 

      • Repair the (K902) O2 Sensor 1/1 Return circuit for an open or short to ground.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  8
  8. CHECK THE (K902) O2 SENSOR 1/1 RETURN CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT 
    1. Check for continuity between the (K902) O2 Sensor 1/1 Return circuit and all other circuits at the GPEC Adaptor.

      Is there continuity between the (K902) O2 Sensor 1/1 Return circuit and any other circuit?

      Yes 

      • Repair the (K902) O2 Sensor 1/1 Return circuit for a short to another circuit.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  11
  9. CHECK FOR INFORMATION RELATED TO THIS DTC 
    1. Check for related Service Bulletins and any other official OEM documentation related to this DTC.

      Were any related Service Bulletins or official OEM documentation related to this DTC available?

      Yes 

      • Repair the condition by performing the related procedures outlined in the Service Bulletin or official OEM documentation.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  10
  10. CHECK THE O2 SENSOR FOR PROPER OPERATION 
    1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the O2 Sensor 1/1 and the Powertrain Control Module (PCM) for the following conditions.
      • Chafed, pierced, pinched, or partially broken wires.
      • Broken, bent, pushed out or corroded terminals.
      • Good pin to terminal contact in the O2 Sensor 1/1 and Powertrain Control Module connectors.

      Were any problems found with the O2 circuits?

      Yes 

      No 

  11. CHECK RELATED HARNESS CONNECTIONS 
    1. Disconnect all PCM harness connectors.
    2. Disconnect all related in-line harness connections (if equipped).
    3. Disconnect the related component harness connectors.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Check for spread terminals and verify proper terminal tension.

      Repair any conditions that are found.

    5. Connect all PCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Connect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Connect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. With the scan tool, erase DTCs.
    9. Test drive or operate the vehicle in accordance with the when monitored and set conditions.
    10. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      No 

      • The wiring or poor connection problem has been repaired.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
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