Pinpoint Test I : The Air Conditioning (A/C) Is Always On: Notes

Refer to AUTOMATIC CLIMATE CONTROL SYSTEM for schematic and connector information.

Normal Operation and Fault Conditions 

Control system logic, REFER to: Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) 

Possible Sources 

• Wiring, terminals or connectors
• A/C clutch relay
• A/C compressor clutch air gap
• PCM

Visual Inspection and Diagnostic Pre-checks 

• Inspect the A/C clutch relay.