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35–FAILED COOL DOWN (MTC) For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes PREREQUISITES NOT MET BEFORE RUNNING THE COOLDOWN TEST ANOTHER RELATED SYSTEM NOT FUNCTIONING CORRECTLY POWERTRAIN SYSTEM FAULTS PRESENT NOTE: This DTC will display as active if the ignition is not cycled after running the Cooldown Test. Other- Diagnostic Test 1. VERIFY THAT ALL OF THE COOLDOWN TEST PREREQUISITES WERE MET Review the list of Cooldown Test prerequisites. • DTC 31 or 32 must not be active. • The refrigerant system must be adequately charged. • The blower motor must operate correctly in all speeds. • The work area ambient temperature must be above 18.3°C (65°F). • The evaporator temperature must be above 18.3°C (65°F). • The A/C compressor must be turned off. Were all of the prerequisites met before running the Cooldown Test? Yes >> Go To 2 No >> Run the Cooldown Test again after all of the prerequisites are met. Then, if DTC 35 is still present, Go To 2. Otherwise, perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELEC- 2. CHECK FOR DTCs IN THE PCM With the scan tool, select PCM. Are any DTCs present in the PCM? Yes >> Diagnose and repair the DTC(s). (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) for PCM DTCs. Run the Cooldown Test again after the repair is complete. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Refer to the Service Information for additional Cooldown Test related diagnostic information and testing procedures. Run the Cooldown Test again after the repair is complete. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 24 - 40 HVAC - ELECTRICAL DIAGNOSTICS WK |