Scantool Diagnostics

Engine Control

P0645 A/C Clutch Relay Control Circuit - Scantool Diagnostics

Monitor Scantool Data

1. Connect scantool to Data Link Connector (DLC).
2. Warm up the engine to normal operating temperature.
3. Monitor the "A/C Compressor" parameters on the scantool.








Fig.1) Normal data of A/C Compressor without A/C switch OFF.
Fig.2) Normal data of A/C Compressor without A/C switch ON.
4. Are the parameters displayed correctly?