Automatic Temperature Control
- Description
- Components
- Operation
- Adjustment
- Testing
- Diagnosis & Troubleshooting
- Temperature Control Problem Diagnosis
- Blower Control Circuit Problem Diagnosis
- System Operates Only At Low Blower
- Blower Speeds And Mode Shift Occurs Without Temperature Change
- No Blower Operation In Any Letter Setting
- No Blower In "OFF" or "LO"
- Operates At Low Blower Only, Except in "HI" & "DEF"
- Blower Operation Only In "HI" or "DEF"
- Blower Speed Varies In "HI" & "DEF"
- Blower Operates With Ignition Off
- Blower Speeds Skipped in "AUTO" & "ECONOMY"
- No Heater Turn-On In Cold Weather Exc. In "DEF"
- Immediate Heater Turn-On In Cold Weather
- A/C Delayed In Hot Wafer Until Engine Warms Up (Unless Lever Is In "DEF")
- Auxiliary Vacuum Problem Diagnosis
- Auxiliary Vacuum Circuit Test. Procedure
- Refrigeration Problem Diagnosis
- Low Refrigerant Flow Detection System Diagnosis