Lexus NX: Heater Water Pump

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 Components

COMPONENTS ILLUSTRATION *1 AIR CLEANER CAP SUB-ASSEMBLY *2 AIR CLEANER CASE SUB-ASSEMBLY *3 AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY *4 HEATER ACCESSORY ASSEMBLY *5 HEATER WAT

 Removal

REMOVAL PROCEDURE 1. DRAIN ENGINE COOLANT (for Inverter Coolant) Click here 2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY Click here 3. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Click here 4.

 Inspection

INSPECTION PROCEDURE 1. INSPECT HEATER ACCESSORY ASSEMBLY *a Component without harness connected (Heater Accessory Assembly (Heater Water Pump)) (a) Check the motor operation. (1) Apply the p

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 IG Power Supply Voltage (C1551)

DESCRIPTION The power steering ECU assembly distinguishes the power switch status as on (IG) or off through the IG power source circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1551 IG Power Supply Voltage I

 Glass Surroundings Temperature Sensor Circuit (B14A9)

DESCRIPTION The air conditioning amplifier assembly detects the temperature of the area near the windshield glass using this circuit. The air conditioning amplifier assembly applies voltage to the air conditioning thermistor assembly (glass surroundings temperature sensor). As the temperature of the

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