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.

CHECK IF DTC IS ACTIVE
1. Ignition on, engine not running.
2. Using the scan tool, read HVAC DTCs.
  Is this DTC active?
  
  Yes
  - Go To 3
  No
  - Go To 2
PERFORM HVAC ACTUATOR CALIBRATION TEST
1. Using the scan tool, perform the HVAC Actuator Calibration Test.
  Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test?
  
  Yes
  - Go To 3
  No
  - Go To 9
CHECK THE (C61) BLEND DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE

Fig 1: Measuring Voltage Of Blend Door Driver Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off to the lock position.
2. Disconnect the A/C Heater Control C1 harness connector.
3. Disconnect the Blend Door Actuator harness connector.
4. Ignition on, engine not running.
5. Measure the voltage of the (C61) Blend Door Driver circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (C61) Blend Door Driver circuit for a short to voltage.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE

Fig 2: Measuring Voltage Of Common Door Driver Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage of the (C34) Common Door Driver circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (C34) Common Door Driver circuit for a short to voltage.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 5
CHECK THE (C61) BLEND DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND

Fig 3: Measuring Resistance Between Ground & Blend Door Driver circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off to the lock position.
2. Measure the resistance between ground and the (C61) Blend Door Driver circuit.
  Is the resistance below 100k Ohms?
  
  Yes
  - Repair the (C61) Blend Door Driver circuit for a short to ground.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 6
CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND

Fig 4: Measuring Resistance Between Ground & Common Door Driver Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between ground and the (C34) Common Door Driver circuit.
  Is the resistance below 100k Ohms?
  
  Yes
  - Repair the (C34) Common Door Driver circuit for a short to ground.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 7
CHECK THE BLEND DOOR
1. Remove the Blend Door Actuator and check the Blend Door for binding and full travel.
  Were there any problems found?
  
  Yes
  - Repair or replace the Blend Door as necessary in accordance with the Service Information.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 8
CHECK THE BLEND DOOR ACTUATOR
1. Replace the Blend Door Actuator in accordance with the Service Information.
2. Using the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test.
  Did this DTC reset?
  
  Yes
  - Replace and program the A/C Heater Control in accordance with the Service Information.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set.
3. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
4. Wiggle the wiring and connectors while checking for shorted and open circuits.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.