Pinpoint Test K : The A/C (Air Conditioning) Is Inoperative: 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: Electronic Automatic Temperature Control (EATC) - System Operation and Component Description .

Possible Sources 

• Wiring, terminals or connectors
• A/C pressure transducer
• PCM
• HVAC module
• IPC
• Evaporator temperature sensor

Visual Inspection and Diagnostic Pre-checks 

• Inspect CJB fuse 12 (7.5A).
• Inspect CJB fuse 21 (7.5A).
• Inspect BJB fuse 24 (10A).
• Inspect BJB fuse 30 (10A).
• Inspect the A/C clutch relay.