WARNING: The blower motor resistor may get very hot during normal operation. Failure to take the proper precautions could result in accidental airbag deployment and possible personal injury or death. This is the only sure way to disable the airbag system. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. WARNING: On vehicles equipped with airbags, disable the airbag system before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. If not OK, replace the faulty blower motor resistor. If OK, repair the wire harness circuits between the blower motor switch and the blower motor resistor or blower motor as required. Using an ohmmeter, check for continuity between all of the blower motor resistor terminals. Disconnect the wire harness connector from the blower motor resistor (Refer to 24 - HEATING & AIR CONDITIONING/CONTROLS/RESISTOR-BLOWER MOTOR - REMOVAL).ģ. Disconnect and isolate the negative battery cable.Ģ. The wiring information includes wiring diagrams, proper wire and connector repair procedures, further details on wire harness routing and retention, as well as pin-out and location views for the various wire harness connectors, splices and grounds.ġ. NOTE: For circuit descriptions and diagrams, refer to the appropriate wiring information. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. The blower motor resistor is accessed for service by removing the glove box from the instrument panel.ĭIAGNOSIS AND TESTING BLOWER MOTOR RESISTOR The blower motor resistor is accessed for service by removing the glove box from the instrument panel. Concealed behind the mounting plate are coiled resistor wires contained within a ceramic heat sink (3). The blower motor resistor consists of a molded plastic mounting plate (1) with an integral wire connector receptacle (2). The blower motor resistor is mounted to the HVAC air inlet housing, directly behind the glove box. Besides the actual switch having failed (unlikely) you are most certainly having issues with the blower resistor. Sandra reed, just checked the service manual and the blower has only one fuse for all settings.
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