Monitor Scan Tool Data
- Connect scan tool to Data Link Connector (DLC).
- Warm up the engine to normal operating temperature.
- Monitor "A/C Relay" parameters on scan tool.
- Are the parameters displayed correctly?
YES
- Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to "INSPECTION AND REPAIR " procedure.