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.
- ACTIVE DTC
- Start the engine.
- Allow the engine to reach normal operating temperature.
- Turn the A/C on.
- With a scan tool, select View DTCs.
Is the DTC Active at this time?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
- A/C CLUTCH CONTROL OPERATION FROM THE PCM
- Turn the ignition off.
- Disconnect the TIPM C1 harness connector.
- Ignition on, engine not running.
- Using a 12-volt test light connected to 12-volts, check the (C13) A/C Clutch Control circuit in the TIPM C1 harness connector.
- With the scan tool under the PCM Actuators, actuate the A/C Clutch.
Does the test light illuminate brightly and flash on an off?
Yes
- Go To 3
No
- Perform the Diagnostic Procedure for P0645-A/C CLUTCH CONTROL CIRCUIT. Refer to DTC INDEX .
- (C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT SHORTED TO GROUND
- Turn the ignition off
- Disconnect the TIPM C10 harness connector.
- Disconnect the A/C Compressor Clutch harness connector.
- Measure the resistance between ground and the (C3) A/C Clutch Control Output circuit at the A/C Compressor Clutch harness connector.
Is the resistance below 100 Ohms?
Yes
- Repair the short to ground in the (C3) A/C Clutch Control Output circuit.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
No
- Go To 4
- A/C COMPRESSOR CLUTCH
- Connect the TIPM C1 and TIPM C10 harness connectors.
- Ignition on, engine not running.
- Using a 12-volt test light connected to ground, check the (C3) A/C Clutch Control Output circuit at the A/C Compressor Clutch harness connector.
- With the scan tool under the TIPM Actuators, actuate the A/C Clutch.
Does the test light illuminate brightly and flash on and off?
Yes
- Replace the A/C Compressor Clutch in accordance with the Service Information. Refer to COMPRESSOR, A/C, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
No
- Go To 5
- TOTALLY INTEGRATED POWER MODULE (TIPM)
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the A/C Clutch, TIPM, and the Powertrain Control Module (PCM).
- Look for any chafed, pierced, pinched, or partially broken wires.
- Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the A/C Clutch, TIPM, and Powertrain Control Module connectors.
- Perform any Technical Service Bulletins that may apply.
Were there any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to the appropriate Testing & Diagnostics article in Engine Performance .
No
- Replace the Totally Integrated Power Module in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .