Heater Water Pump Circuit
Heater Water Pump CircuitDESCRIPTION
The heater water pump sends engine coolant to the heater core while the engine is stopped to prevent heater effectiveness from becoming low.
Directed by the air conditioning amplifier, hybrid control ECU operates the water pump relay and drives the heater water pump.
Wiring Diagram:
Step 1-2:
Step 3-4:
INSPECTION PROCEDURE