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Home >> Lexus >> 2006 >> ES 330 V6-3.3L (3MZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Component Tests and General Diagnostics >> Heater Relay Circuit

Heater Relay Circuit

HEATER RELAY CIRCUIT

CIRCUIT DESCRIPTION
The heater relay is switched on by signals from the A/C amplifier. It supplies power to the blower motor.

Wiring Diagram:






Step 1-3:







INSPECTION PROCEDURE
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