Troubleshooting Hints

PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS
1. Check A/C Fuse with a fuse tester.
2. Check HTR Fuse with a fuse tester.
3. Check that A/C system is properly charged with refrigerant. Refer to Air Conditioning. Heating and Air Conditioning
4. Check that grounds G102 and G103 are clean and tight.
5. Before component replacement, check for poor connections at related component and in-line harness connector terminal connections.