Manual Climate Control

1. Verify the customer's concern by operating the climate control system to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns apply:

Mechanical
^ Loose, missing, or damaged drive belt.
^ Loose or disconnected A/C clutch.
^ Loose, misrouted, or damaged vacuum lines.
^ Discharged A/C system.
^ Broken or leaking refrigerant lines.
^ Broken or leaking vacuum control motor.
Electrical
^ Open fuse.
^ Blower motor inoperative.
^ A/C compressor inoperative.
^ Cooling fan inoperative.
^ Circuitry open/shorted.
^ A/C control inoperative.
^ Disconnected electrical connectors.

3. If inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to the Symptom Charts.
Use General System Diagnosis Symptom Chart FIRST. Symptom Related Diagnostic Procedures
Then go to Manual A/C Heater Symptom Chart. Manual Climate Control