Blower Motor: Testing and Inspection
INSPECTION1. INSPECT BLOWER RESISTOR (MANUAL AIR CONDITIONING)
HINT: The blower resistor can be removed following the overhaul procedure for the blower assy, step 1.
a. Measure the resistance according to the value(s) in the table.
If the resistance is not as specified, replace the blower resistor.
2. INSPECT AIR INLET CONTROL SERVOMOTOR (RECIRCULATION DAMPER SERVO SUB-ASSY) (MANUAL AIR CONDITIONING)
HINT: The air inlet control servomotor (recirculation damper servo sub-assy) can be removed following the overhaul procedure for the blower assy, step 1 to 6.
a. Inspect servomotor operation.
1. Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 1, then check that the arm turns to the "REC" side smoothly.
2. Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 2, then check that the arm turns to the "FRS" side smoothly.
If operations are not as specified, replace the servomotor.
3. INSPECT BLOWER W/FAN MOTOR SUB-ASSY (MANUAL AIR CONDITIONING)
HINT: The blower w/fan motor sub-assy can be removed following the overhaul procedure for the blower assy, step 1.
a. Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 1, then check that the motor operates smoothly.
If operation is not as specified, replace the blower motor.