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Blower Fan Runs Slower Than Expected In Cold Weather (When In Auto Mode) Note: It Is Normal For The Blower Fan To Run Slowly




Blower fan runs slower than expected in cold weather (when in AUTO mode)NOTE: It is normal for the blower fan to run slowly until the coolant temperature rises when in AUTO mode

Blower fan runs slower than expected in cold weather (when in AUTO mode)

NOTE: It is normal for the blower fan to run slowly until the coolant temperature rises when in AUTO mode


Probable cause: Engine coolant temperature (ECT) circuit malfunction

Troubleshoot the ECT sensor circuit:

ECT sensor 2 circuit low voltage DTC Troubleshooting

ECT sensor 2 circuit high voltage DTC Troubleshooting

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