LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> (Heating & Air Conditioning - Electrical Diagnostics) >> DTC Troubleshooting >> B11C8-92-Right Temperature Door Control - Performance Or Incorrect Operation >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, read DTCs and record on the repair order.
    2. Record the Environmental Data.
    3. With the scan tool, erase DTCs.
    4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    5. With the scan tool, read HVAC Module DTCs.

      Did the DTC return?

      Yes 

      • Go To  3

      No 

      • Go To  2
  2. PERFORM HVAC ACTUATOR CALIBRATION TEST 
    1. With the scan tool, perform the HVAC Actuator Calibration Test and read DTCs.

      Did the DTC return?

      Yes 

      • Go To  3

      No 

  3. CHECK THE (C52/C33) RIGHT BLEND DOOR DRIVER CIRCUIT FOR AN OPEN OR HIGH RESISTANCE 
    1. Turn the ignition off.
    2. Disconnect the HVAC Module C1 harness connector.
    3. Disconnect the Right Blend Door Actuator harness connector.
    4. Measure the resistance of the (C52/C33) Right Blend Door Driver circuit between the HVAC Module C1 harness connector and the Right Blend Door Actuator harness connector.

      Is the resistance below 1.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair the circuit for an open or high resistance.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .
  4. CHECK THE (C266/C807) Common Door Driver 2 CIRCUIT FOR AN OPEN OR HIGH RESISTANCE 
    1. Measure the resistance of the (C266/C807) Common Door Driver 2 circuit between the HVAC Module C1 harness connector and the Right Blend Door Actuator harness connector.

      Is the resistance below 1.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the circuit for an open or high resistance.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .
  5. CHECK THE (C52/C33) RIGHT BLEND DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Turn the ignition on.
    2. Measure the voltage on the (C52/C33) Right Blend Door Driver circuit at the HVAC Module C1 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the circuit for a short to voltage.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .

      No 

      • Go To  6
  6. CHECK THE (C266/C807) COMMON DOOR DRIVER 2 CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Measure the voltage on the (C266/C807) Common Door Driver 2 circuit at the HVAC Module C1 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the circuit for a short to voltage.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .

      No 

      • Go To  7
  7. CHECK THE (C52/C33) RIGHT BLEND DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Check for continuity between ground and the (C52/C33) Right Blend Door Driver circuit at the HVAC Module C1 harness connector.

      Is there continuity between ground and the circuit?

      Yes 

      • Repair the circuit for a short to ground.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .

      No 

      • Go To  8
  8. CHECK THE (C266/C807) COMMON DOOR DRIVER 2 CIRCUIT FOR A SHORT TO GROUND 
    1. Check for continuity between ground and the (C266/C807) Common Door Driver 2 circuit at the HVAC Module C1 harness connector.

      Is there continuity between ground and the circuit?

      Yes 

      • Repair the circuit for a short to ground.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .

      No 

      • Go To  9
  9. CHECK THE ACTUATOR DRIVER CIRCUITS FOR A SHORT TO ANOTHER CIRCUIT 
    1. Check for continuity between the (C52/C33) Right Blend Door Driver circuit and all other circuits at the at the HVAC Module C1 harness connector.
    2. Check for continuity between the (C266/C807) Common Door Driver 2 circuit and all other circuits at the at the HVAC Module C1 harness connector.

      Is there continuity between either of the Actuator Driver circuits and any other circuit?

      Yes 

      • Repair the Actuator Driver circuit for a short to another circuit.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .

      No 

      • Go To  10
  10. INSPECT THE DOOR, DUCTS, AND LINKAGE FOR CONDITIONS THAT COULD CAUSE BINDING 
    1. Inspect the door and linkage for conditions that could cause the door to not move freely across the total travel of the door.
    2. Check for debris or objects in the ducts that could hinder the door movement.
    3. Inspect the door stops for damage.
    4. If necessary to gain access to the applicable door and ducts. Refer to HOUSING, HVAC, REMOVAL .

      Were any problems found?

      Yes 

      • Repair the binding condition as necessary.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .

      No 

      • Go To  11
  11. REPLACE THE RIGHT BLEND DOOR ACTUATOR AND RETEST FOR DTCS 
    1. Replace the Right Blend Door Actuator in accordance with the Service Information. Refer to ACTUATOR, BLEND DOOR, REMOVAL .
    2. Connect the Right Blend Door Actuator, ECU, and any other disconnected harness connectors.
    3. Turn the ignition on.
    4. With the scan tool, erase DTCs.
    5. Using the Environmental Data and When Monitored conditions, operate the vehicle within the conditions that set the DTC.
    6. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      • Go To  12

      No 

      • The new Right Blend Door Actuator repaired the problem.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .
  12. CHECK RELATED HARNESS CONNECTIONS 
    1. Disconnect all HVAC Module 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.
      • Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all HVAC Module harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect 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. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    10. With the scan tool, read HVAC Module DTCs.

      Did the DTC return?

      Yes 

      No 

      • The wiring or poor connection problem has been repaired.
      • Perform the HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST  .
scientia non olet · About LEMON Manuals