A/C System Performance
WARNING: This page is about a different car, the 2001 Audi S4, 2001 Audi A4, 2000 Audi S4, and 2000 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- Check for any Diagnostic Trouble Codes (DTCs) which may be present, and repair as necessary. See RETRIEVING & CLEARING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTICS. Perform BASIC SETTING and CODING A/C-HEATER CONTROL PANEL under PROGRAMMING.
- Park vehicle out of direct sunlight. Ensure condenser and radiator are free of obstructions. Close engine hood. Ensure compressor drive belt and generator are in good condition. Ensure engine is at normal operating temperature. Close doors, windows, and sun roof. Record ambient temperature.
- Start engine and operate it at 2000 RPM. Turn A/C system on and press recirculation button on. Set A/C-heater control panel to maximum cold position (AUTO mode and LO temperature selection; ice crystal symbol should glow).
- Open all instrument panel air outlets. Operate fresh air blower at maximum speed. Set air distribution so that air flows out of instrument panel vents.
- Check outlet air temperature at center instrument panel vent after A/C system has operated for 5 minutes. See A/C SYSTEM PERFORMANCE SPECIFICATIONS table.
A/C SYSTEM PERFORMANCE SPECIFICATIONS
| Ambient Temp. °F (°C) | Outlet Air Temp. °F (°C) |
|---|---|
| 59 (15) | 37-43 (3-6) |
| 68 (20) | 37-43 (3-6) |
| 77 (25) | 37-43 (3-6) |
| 86 (30) | 37-43 (3-6) |
| 95 (35) | 39-45 (4-7) |
| 104 (40) | 41-46 (5-8) |