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A/C Condenser Fan Motor Relay Low Speed Control System Check

A/C Condenser Fan Motor Relay Low Speed Control System Check

Wiring Diagram:




Wiring Diagram

Circuit Description
A/C Condenser fan motor low speed relay is turned ON by ECM when A/C signal inputted to ECM and engine conditions are as specified.
When A/C condenser fan control switch (in refrigerant pressure switch) OFF signal inputted to ECM with A/C ON (A/C compressor in operation), A/C Condenser fan motor high speed relays are turned ON by ECM.

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Troubleshooting