Blower motor resistor repair manual

BLOWER MOTOR RESISTOR: Disconnect and isolate the battery negative cable and unplug the wire harness connector from the blower motor resistor. Check for continuity between each of the blower motor switch input terminals of the resistor and the resistor output terminal. HVAC Blower Motor Resistor - Repair or Replace If your heater fan or air conditioner blower on blows on high speed or low speed, you might have a failed blower motor resistor. Our technician can diagnose the fault in your Toyota Corolla and take appropriate action.  · This can be a bad blower motor resistor or a failed speed switch. Refer to the wiring diagram for your vehicle and check for continuity on all three resistors and speed switch setttings. Blower motor resistor has repeat failures. Check for full airflow at the vents. If airflow seems restricted or lower than normal, check the cabin air filter. If it’s good, check for debris .

Chevrolet Captiva Service Repair Manual / Air Conditioning Heater / HVAC Blower Motor Resistor RR 1. Disconnect electrical connector from blower motor control module. The motor that runs the fan in the heating and air conditioning system in a car is called a blower motor. It's located inside the dash, often on the opposite side of the steering wheel or inside the engine compartment on the firewall. A blower motor resistor or a blower motor control module is the part that controls the speed of the blower motor. With over 1, blower motor resistors in stock, Autozone is ready to provide you with the blower you need, no matter what type of car or truck you drive. If you need a new blower motor resistor for your car or truck, shop with Autozone today to get a high quality replacement you can count on.

BLOWER MOTOR RESISTOR: Disconnect and isolate the battery negative cable and unplug the wire harness connector from the blower motor resistor. Check for continuity between each of the blower motor switch input terminals of the resistor and the resistor output terminal. BLOWER MOTOR RESISTOR - REAR. Service repair no - Remove. 1. Remove evaporator/blower motor assembly. See evaporator/blower motor assembly -rear. 2. Disconnect multiplug from resistor. 3. Remove 2 screws securing resistor to blower. motor casing. 4. Remove resistor. Refit. 5. Fit resistor to blower motor casing and secure. with screws. 6. Another way is to check the voltage at the blower motor, the blower motor control module and other parts of the circuit according to the service manual. For example, in the mentioned Honda Accord, the + 12V power is supplied directly to the blower motor through the fuse and then through the relay.