Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR RELATED DTCS
1. Ignition on, engine not running.
2. With the scan tool, read HVAC DTCs.
  Are there any Door Control Circuit Open, Performance, or Short to Ground or Voltage DTCs present?
  
  Yes
  - Refer to the DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.
  No
  - Go To 2
CHECK IF DTC IS ACTIVE
1. Ignition on, engine not running.
2. With the scan tool, read HVAC DTCs.
  Is this DTC active?
  
  Yes
  - Go To 4
  No
  - Go To 3
PERFORM HVAC ACTUATOR CALIBRATION TEST
1. With 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 4
  No
  - Go To 6
CHECK THE REAR BLEND DOOR
1. Remove the Rear Blend Door Actuator and check the Rear Blend Door for binding and full travel. Refer to ACTUATOR, BLEND DOOR, REAR, REMOVAL .
  Were there any problems found?
  
  Yes
  - Repair or replace the Rear Blend Door as necessary in accordance with the Service Information.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 5
CHECK THE REAR BLEND DOOR ACTUATOR
1. Replace the Rear Blend Door Actuator in accordance with the Service Information. Refer to ACTUATOR, BLEND DOOR, REAR, REMOVAL .
2. With the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test.
  Did this DTC reset during HVAC Actuator Calibration Test?
  
  Yes
  - Replace and program the A/C Heater Module in accordance with the Service Information. Refer to MODULE, A/C AND HEATER, REMOVAL .
  - 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. With 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.