Performance Test Procedure: Notes
WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, 2004 Chrysler Concorde, and 2004 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
Before performing the following procedure, (Refer to WARNING ). Air temperature in test room and in vehicle must be 21° C (70°F) minimum for this test.
NOTE:
When connecting the service equipment coupling to the line fitting, verify that the valve of the coupling is fully closed. This will reduce the amount of effort required to make the connection.
- Connect a tachometer and manifold gauge set or an A/C Charging/Recycling Station.
- Set controls:
MTC (Manual Temperature Control) System:
- A/C ON
- Panel Recirculation
- Temperature to full cold
- High blower
ATC (Automatic Temperature Control) System:
- Rotate blower knob to high position (full clockwise)
- Set temperature to the LO position
- Push panel mode button
- Push RECIRC (Recirculation) button (A/C and RECIRC symbols should be lit)
NOTE: The word MANUAL should appear in the ATC display, confirming that the system is set manually. - Start engine and hold at 1000 rpm with A/C clutch engaged.
- Engine should be warmed up with doors and windows closed.
- Insert a thermometer in the left center A/C outlet and operate the engine for five minutes. The A/C clutch may cycle depending on ambient conditions.
- With the A/C clutch engaged , compare the discharge air temperature to the A/C PERFORMANCE TEMPERATURE AND PRESSURE table.