Diagnostic Test

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 STANDARD PROCEDURE .
  No
  - Go To 2
CHECK THE (C3) A/C CLUTCH DRIVER CIRCUIT FOR A SHORT TO GROUND
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 Driver circuit in 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 Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (C3) A/C CLUTCH DRIVER FROM TIPM
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 Driver 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.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the TIPM in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .