Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

A/C CLUTCH OPERATION
1. Ignition on, engine not running.
2. With a scan tool, actuate the A/C Clutch.
  Does the A/C Clutch actuate?
  
  Yes
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. 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.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 2.
CHECK THE (C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT FOR A SHORT TO GROUND

Fig 1: Checking A/C Clutch Control Output Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the A/C Compressor Clutch harness connector.
3. Disconnect the TIPM C1 harness connector.
4. 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 above 10k Ohms?
  
  Yes
  - Go To 3.
  No
  - Repair the short to ground in the (C3) A/C Clutch Control Output circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (C3) A/C CLUTCH CONTROL OUTPUT FROM TIPM

Fig 2: Measuring A/C Clutch Control Output From TIPM
Courtesy of CHRYSLER GROUP, LLC
1. Reconnect the TIPM C1 harness connector.
2. Ignition on, engine not running.
3. Using the 12-volt test light connected to ground, check the (C3) A/C Clutch Control Output circuit in the A/C Compressor Clutch harness connector.
4. With a scan tool, actuate the A/C Clutch.
  Does the test light illuminate when the A/C Clutch is commanded on?
  
  Yes
  - Verify that there is good pin to terminal contact in the A/C Compressor Clutch and TIPM connectors. If OK, replace the A/C Clutch in accordance with the Service Information. Refer to COMPRESSOR, A/C, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the TIPM in accordance with the Service Information. Refer to MODULE, TOTALLY INTEGRATED POWER (TIPM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .