Symptom Table

SYMPTOMS - HVAC SYSTEM - MANUAL

IMPORTANT: Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
- Air Delivery Description and Operation
- Air Temperature Description and Operation

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the HVAC System. Refer to Checking Aftermarket Accessories in Diagnostic Aids.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Inspect the 25 Amp A/C fuse for an open.
- Inspect all related ground points for being clean and tight.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Diagrams.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- HVAC Compressor Clutch Does Not Engage
- HVAC Compressor Clutch Does Not Disengage
- Blower Motor Always On
- Blower Motor Inoperative
- Blower Motor Malfunction
- Condenser Fan Always On
- Condenser Fan Inoperative