With HVAC System - Manual

^ Try the following checks before doing the System Check.
1. Check for vacuum to the Solenoid Box.
2. Check A/C-1 Fuse and CLUST Fuse.
3. Move the Temperature Lever to full Cold and then full Hot. Listen for the sound of the servo motor moving the valve through its full range.
^ Go to System Check Table under System Check for a guide to normal operation of Air Delivery and Temperature Controls. System Check
^ Refer to A/C System Check for a complete check of the A/C System. [1][2]System Operation Check
^ Go to System Diagnosis for diagnostic tests. Testing and Inspection