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
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Driver Seat / Trouble Codes. Body Electrical > Driver Seat > Trouble Codes (e) Check for DTCs. CLEAR DTC (a) Conne
Electric Parking Brake AUTO Indicator Light Circuit
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
Before disconnecting connectors or fuses, turn the power switch off and wait 20 seconds or more.
When replacing the parking brake ECU ass
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