Troubleshooting Hints

NOTE:Try the following checks before doing the System Check.

1. If the Blower Motor does not operate at all check the HTR-A/C Fuse.
2. If the Blower Motor does not turn off, replace the Heater Control Head.
3. Check the Temperature Door for binding, if there is a problem with temperature selection.
4. If the Blower Motor and Temperature Door Motor operate, but there is insufficient heating, refer to Diagnosis by Symptom. Diagnosis By Symptom

^ Go to the System Check for a guide to normal operation.
^ Go to the System Diagnosis for diagnostic tests.