Testing and Inspection of Auxiliary Water Pump for GS 450h V6-35L Hybrid
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Auxiliary Water Pump: Testing and Inspection
INSPECTION
1. INSPECT HEATER WATER PUMP ASSEMBLY
a. Connect the positive (+) lead from the battery to terminal 2 and negative (-) to terminal 1, then check that the motor operates smoothly.
NOTE: The check must be made within 10 seconds.
If operation is not as specified, replace the blower motor.
