Diesel Data: Automotive Repair

Blower Motor Resistor: Testing and Inspection





AIR CONDITIONING: FRONT BLOWER RESISTOR: ON-VEHICLE INSPECTION

1. INSPECT BLOWER MOTOR CONTROL

(a) Disconnect the B4 blower motor control connector.





(b) Measure the voltage of the wire harness side connector.

Standard voltage:





(c) If the voltage is not as specified, replace the blower motor control.