See also:

Troubleshooting (A4CF2)
Troubleshooting Diagnostic Trouble Codes (Inspection Procedure) Check the Diagnostic Trouble Codes 1. Turn the ignition switch to OFF. 2. ...

Fan speed control
The fan speed can be set to the desired speed by turning the fan speed control knob. The higher the fan speed is, the more air is delivered. ...

Overdrive Clutch Control Solenoid Valve(OD/C_VFS). Schematic Diagrams
Circuit Diagram ...