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TROUBLE DIAGNOSIS ATC-83 C D E F G H I K L M A B ATC 2007 Pathfinder Rear Blower Motor Circuit EJS004P9 SYMPTOM: ● Blower motor operation is malfunctioning. INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - REAR AIR CONTROL (FRONT) 1. Press AUTO switch. 2. Set the rear blower control dial (front) to REAR position. 3. Turn the rear blower control dial (rear) and check for rear blower operation. NOTE: ° C (233.6 ° F) the front air control turns OFF the rear blower motor. When the engine coolant temperature drops below 110 ° C (230 ° F) the front air control turns the rear blower motor back ON. 4. Continue checking that rear blower speed increases as the rear blower control dial is rotated clockwise. Does the rear blower motor operate correctly? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK FOR ANY SYMPTOMS Perform a complete operational check for any symptoms. Refer to ATC-52, "Operational Check (Front)" Does another symptom exist? YES >> Refer to NO >> System OK. 3. CHECK FOR SERVICE BULLETINS Check for any service bulletins. >> GO TO 4. 4. CHECK REAR BLOWER CONTROL DIAL (FRONT) CIRCUIT Check and verify rear blower control dial (front) operates the rear blower motor in all speeds. Does blower motor operate in all speeds? YES >> GO TO 5. NO >> Refer to ATC-95, "DIAGNOSTIC PROCEDURE FOR REAR AIR CONTROL" 5. PERFORM SELF-DIAGNOSIS Perform self-diagnosis to check for any codes. Refer to ATC-50, "A/C System Self-diagnosis Function" Are any self-diagnosis codes present? YES >> Refer to ATC-51, "SELF-DIAGNOSIS CODE CHART" NO >> GO TO 6. 6. RECHECK FOR ANY SYMPTOMS Perform a complete operational check for any symptoms. Refer to ATC-52, "Operational Check (Front)" Does another symptom exist? YES >> Refer to NO >> Replace front air control. Refer to . |