Lexus NX: Inspection
Lexus NX Service Manual / Vehicle Interior / Heating / Air Conditioning / Heater Water Pump / 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 positive (+) lead of the auxiliary battery to terminal 2 and the negative (-) lead to terminal 1.
OK:
| Measurement Condition | Specified Condition |
|---|---|
| Auxiliary battery positive (+) → 2 Auxiliary battery negative (-) → 1 | Heater accessory assembly operates smoothly |
NOTICE:
Complete this inspection within 10 seconds if there is no water in the heater water pump assembly.
If the result is not as specified, replace the heater accessory assembly (heater water pump).
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Installation
INSTALLATION PROCEDURE 1. INSTALL HEATER ACCESSORY ASSEMBLY (a) Connect the heater water inlet hose A with the paint mark (Blue) facing up and attach the clip within the area shown in the illustrat
Components
COMPONENTS ILLUSTRATION *1 AIR CONDITIONING THERMISTOR ASSEMBLY (HUMIDITY SENSOR) *2 NO. 1 FORWARD RECOGNITION COVER *3 NO. 2 FORWARD RECOGNITION COVER *4 PROTECTOR
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Headlamp LH Circuit (B2439,B243A)
DESCRIPTION This DTC is output when the headlight ECU sub-assembly receives an abnormal signal from the headlight unit. The headlight ECU sub-assembly LH outputs DTC B2439 and B243A DTC No. Detection Item DTC Detection Condition Trouble Area B2439 Headlamp LH Circuit Headlight ECU s
Sub Radiator
RemovalREMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here 2. DRAIN COOLANT (for Inverter Coolant) Click here 3. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY Click here 4. REMOVE NO. 2 FAN SHROUD Click here 5. REMOVE RADIATOR ASSEMBLY (for Inverter Coolant) (a) Slide
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