Description of the Air Conditioning Condenser and Radiator Wiring Diagram

The Honda Civic cooling fan controls wiring diagram is shown in Figure 1. The system includes the A/C (Air Conditioning) condenser fan motor, the radiator fan motor, the A/C condenser fan relay, the radiator fan relay, the fan control relay, the PGM-FI (Programmed Fuel Injection) sub-relay, the ignition switch, the ECM/PCM (Engine Control Module/Powertrain Control Module), the two (2) engine coolant temperature sensors, and several fuses.

Based on the diagram, the condenser fan motor and the radiator fan motor are both controlled by the fan control relay. The radiator fan speed switches from low speed to high speed when the fan control relay is activated by the ECM/PCM module. At the same time, the condenser fan relay is activated, thereby turning on the A/C condenser motor too. The switching is done by the ECM/PCM based on the temperatures from the two (2) engine coolant temperature sensors.

For a complete list of available wiring diagrams, please see Honda Civic Wiring Diagram and Honda Civic 2006 Wiring Diagram

Related Articles with Component Location and Disassembly Instructions:
Honda Civic Ignition System Wiring Diagram
Honda Civic Starting System Wiring Diagram
Honda Civic Charging System Wiring Diagram

References on Honda Civic Condenser Radiator Wiring Diagram

Honda Civic Eight Generation on Wikipedia

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