Diagnostic Test

CHECK THE (C266) MODE DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE

Fig 1: Checking Mode Door Driver Circuit For A Short To Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the A/C Heater Control C2 harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (C266) Mode Door Driver circuit.
  Is the voltage above 0.2 volts?
  
  Yes
  - Repair the (C266) Mode Door Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Go to step 2
VERIFY THAT THE FAULT IS STILL PRESENT
1. Turn the ignition off.
2. Reconnect the A/C Heater Control C2 harness connector.
3. Turn the ignition on.
4. Actuate the Clear DTC function by performing the following:
  - Turn the blower control on.
  - Press the A/C mode switch down, turn the blower control to off, wait until both LEDs illuminate (approximately 5 seconds) and then release the A/C mode switch.
  - When the A/C status indicator begins displaying DTCs, set the Mode switch to the floor position, simultaneously press the A/C mode switch and the EBL mode switch down until both LEDs start flashing (approximately 5 seconds) and then release the mode switches. Stored DTCs will clear from memory in approximately two seconds.
5. Turn the ignition off, wait 10 seconds, and turn the ignition on.
6. Actuate the Actuator Circuit Test / Door Calibration Function by performing the following:
  - Turn the blower control off.
  - Press and hold the EBL mode switch down and then turn the blower control on. Continue to hold the EBL mode switch down until the EBL status indicator begins flashing. Then, release the EBL mode switch. While the test / function is running, the EBL status indicator will flash once per second. If the test / function passes, the EBL status indicator will stop flashing. If the test / function fails, the A/C and EBL status indicators will flash alternately. Allow the test / function to run to completion before proceeding.
7. Actuate the Display DTC function by performing the following:
  - Turn the blower control on.
  - Press the A/C mode switch down, turn the blower control to off, wait until both LEDs illuminate (approximately 5 seconds) and then release the A/C mode switch.
  NOTE: The A/C status indicator displays active DTCs when the EBL status indictor is not illuminated and stored DTCs when the EBL status indicator is illuminated.
8. Read DTCs from the A/C status indictor.
  Does the A/C status indicator display DTC 64?
  
  Yes
  - Replace the A/C Heater Control in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Using the wiring diagram as a guide, inspect the wiring and connectors for conditions causing an intermittent short that set the original fault. Repair as necessary. Then, if present, diagnose and repair all other DTCs.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure