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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 373 ((Heating & Air Conditioning - Electrical Diagnostics - 2500 Hd & 3500 Hd)) >> Diagnosis And Testing >> B10B2-00-A/C Cool Down Test Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CONDITIONS FOR A/C COOLDOWN TEST 
    1. The following condition must be met before running the A/C Cooldown test.
      • No Powertrain Control Module (PCM) DTCs present.
      • No Communication DTCs present.
      • Condenser cooling fan working properly.
      • No active HVAC evaporator temperature sensor, sun sensor, recirculation, mode, or blend door actuator DTCs 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 

      • Go to the Service Information for additional Cooldown Test related diagnostic information and testing procedures and repair as necessary. Refer to DIAGNOSIS AND TESTING .
        NOTE:

        Run the Cooldown Test again after any repairs are performed.

      • If the Cooldown Test passes, testing is complete.

      No 

      • Run the A/C Cooldown test again with the above test conditions.
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