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.

VERIFY THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, read HVAC DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2
  No
  - If the DTC is stored, check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
CHECK FOR ACTIVE CAN BUS RELATED DTCS IN THE TOTALLY INTEGRATE POWER MODULE (TIPM)
1. With the scan tool, read the Totally Integrated Power Module (TIPM) DTCs
  Does the scan tool display any active CAN BUS related DTCs?
  
  Yes
  - Diagnose and repair the DTC(s).
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK (D265) CAN INTERIOR BUS (+) CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Disconnect the negative battery cable.
3. Disconnect the A/C Heater Control C1 harness connector.
4. Disconnect the Totally Integrated Power Module (TIPM) C7 harness connector.
5. Measure the resistance of the (D265) CAN Interior Bus (+) circuit between the Totally Integrated Power Module (TIPM) C7 harness connector and the A/C Heater Control C1 harness connector.
  Is the resistance below 2.0 ohms?
  
  Yes
  - Go To 4
  No
  - Repair the (D265) CAN Interior Bus (+) circuit for an open.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
CHECK (D264) CAN INTERIOR BUS (-) CIRCUIT FOR AN OPEN
1. Measure the resistance of the (D264) CAN Interior Bus (-) circuit between the Totally Integrated Power Module (TIPM) C7 connector and the A/C Heater Control C1 harness connector.
  Is the resistance below 2.0 ohms?
  
  Yes
  - Go To 5
  No
  - Repair the (D264) CAN Interior Bus (-) circuit for an open.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
CHECK (D265) CAN C INTERIOR BUS (+) CIRCUIT FOR A SHORT TO GROUND
1. Measure the resistance between ground and the (D265) CAN C Interior Bus (125K) (+) circuit in the A/C Heater Control C1 harness connector.
  Is the resistance above 1000.0 ohms?
  
  Yes
  - Go To 6
  No
  - Repair the (D265) CAN C Interior Bus (+) circuit for a short to ground.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
CHECK (D264) CAN C INTERIOR BUS (-) CIRCUIT FOR A SHORT TO GROUND
1. Measure the resistance between ground and the (D264) CAN C Interior Bus (125K) (-) circuit in the A/C Heater Control C1 harness connector.
  Is the resistance above 1000.0 ohms?
  
  Yes
  - Go To 7
  No
  - Repair the (D264) CAN C Interior Bus (-) circuit for a short to ground.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
CHECK (D265) CAN C INTERIOR BUS (+) CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition on.
2. Measure the voltage of the (D265) CAN C Interior Bus (125K) (+) circuit in the A/C Heater Control C1 harness connector.
  Is the voltage below 0.2 volts?
  
  Yes
  - Go To 8
  No
  - Repair the (D265) CAN C Interior Bus (+) circuit for a short to voltage.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
CHECK (D264) CAN C INTERIOR BUS (-) CIRCUIT FOR A SHORT TO VOLTAGE
1. Measure the voltage of the (D264) CAN C Interior Bus (125K) (-) circuit in the A/C Heater Control C1 harness connector.
  Is the voltage below 0.2 volts?
  
  Yes
  - Replace the A/C Heater Control in accordance with the Service Information.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .
  No
  - Repair the (D264) CAN C Interior Bus (-) circuit for a short to voltage.
  - Perform BODY VERIFICATION TEST - VER 1. Refer to STANDARD PROCEDURE .