HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
Auxiliary Water Pump: Testing and Inspection
HEATING / AIR CONDITIONING: HEATER WATER PUMP: INSPECTION
1. INSPECT HEATER WATER PUMP ASSEMBLY
(a) Disconnect the heater water pump assembly connector.
(b) Connect the positive (+) lead terminal 2 of the heater water pump assembly connector and the negative (-) lead to terminal 1.
OK:
Heater water pump assembly operates smoothly.
NOTICE:
Complete operation within 10 seconds if there is no water in the heater water pump assembly.
Text in Illustration
(c) If the result is not as specified, replace the heater water pump assembly.