Diagnostic guidance. Suggested checks and possible repairs are separate from the owner's reported results.
Clarify whether airflow was absent at every fan setting, and provide any existing findings behind the motor and switch recommendations.
Source: Original question and visible replies. Owner reports and other participants' experiences are distinguished. Next steps are editorial requests for clarification or existing diagnostic findings, not a verified repair procedure or an independently confirmed component diagnosis.
Heater blower motor/switch
The owner of a 2002 Honda Civic LX reported that the heater fan was not blowing air. They had received conflicting suggestions to replace either the blower motor or the switch. A reply concerned a separate 1998 Civic and did not diagnose the original vehicle.
Reported outcome: No confirmed diagnosis or completed repair was reported for the 2002 Civic.
The reply about purchasing a resistor concerned another vehicle and included no repair result. It does not establish what failed on the original owner’s Civic.
