Prius L4-1.5L (1NZ-FXE) (Hybrid) (2003)
Water Pump: Testing and Inspection
INSPECTION
CHECK HV WATER PUMP OPERATION
Apply battery voltage to the HV water pump setting terminal 1 as negative pole and terminal 2 as positive and check that the pump operates.
NOTE:
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Pay special attention to the poles and never make a mistake.
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This check should be done for a short time (10 second or less).