Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- CONDITIONS FOR A/C COOLDOWN TEST
- The following condition must be met before running the A/C Cooldown test.
- No Powertrain Control Module (PCM) DTC's present
- Condenser cooling fan working properly
- No active HVAC evaporator temperature sensor, sun sensor, recirculation, mode, or blend door actuator DTC's present
- The refrigerant system must be fully charged
- The blower motor must operate correctly in all speeds
- The evaporator temperature must be above 12.7° C (55° F)
- The A/C compressor must be turned off
- Blower must be on high
Are all of the above conditions met before running the A/C Cooldown Test?
Yes
- Refer to the Service Information for additional Cooldown Test related diagnostic information and testing procedures and repair as necessary.NOTE:
Run the Cooldown Test again after any repairs are performed.
- If the Cooldown Test passes, Perform HVAC VERIFICATION TEST. Refer to HVAC VERIFICATION TEST .
No
- Run the A/C Cooldown test again with the above test conditions.
- The following condition must be met before running the A/C Cooldown test.