Lexus NX: Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
While the battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or any door courtesy switch is turned on. Therefore, when servicing the brake system components, do not depress the brake pedal or open/close the doors while the battery is connected.
PROCEDURE
1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT
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2. INSTALL BRAKE PEDAL STROKE SENSOR ASSEMBLY
(a) When installing a new brake pedal stroke sensor assembly:
NOTICE:
Do not break the brake pedal stroke sensor lever set pin before installing the brake pedal stroke sensor assembly with the nut.
| (1) Install a new brake pedal stroke sensor assembly to the brake pedal support assembly with the 2 nuts. Torque: 8.5 N·m {87 kgf·cm, 75 in·lbf} NOTICE:
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(2) Firmly depress the brake pedal and break the brake pedal stroke sensor lever set pin.
(3) Remove the broken lever set pin.
(4) Connect the connector.
(b) When reusing the brake pedal stroke sensor assembly:
| (1) Install the brake pedal stroke sensor assembly to the brake pedal support assembly and temporarily install the 2 nuts. NOTICE:
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(2) Connect the connector.
3. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
(a) Connect the negative (-) auxiliary battery terminal and tighten the nut.
Torque:
5.4 N·m {55 kgf·cm, 48 in·lbf}
4. ADJUST BRAKE PEDAL STROKE SENSOR ASSEMBLY
NOTICE:
When the brake pedal stroke sensor assembly is being reused, perform the following procedure to adjust it.
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List / Stroke Sensor.
Chassis > ABS/VSC/TRAC > Data List| Tester Display |
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| Stroke Sensor |
| (e) Read the stroke sensor value in the Data List, and turn the brake pedal stroke sensor assembly slowly to the right or left to adjust the output voltage so that it is within the following range. Standard Voltage (without the brake pedal depressed): 0.8 to 1.2 V |
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(f) Tighten the 2 nuts.
Torque:
8.5 N·m {87 kgf·cm, 75 in·lbf}
NOTICE:
Do not depress the brake pedal after turning the power switch on (IG).
(g) Turn the Techstream off and turn the power switch off.
(h) Disconnect the Techstream.
5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
CAUTION:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
- If the airbag deploys for any reason. it may cause a serious accident.
(a) Loosen the nut and disconnect the negative (-) auxiliary battery terminal.
6. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
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7. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
(a) Connect the negative (-) auxiliary battery terminal and tighten the nut.
Torque:
5.4 N·m {55 kgf·cm, 48 in·lbf}
8. INITIALIZATION AFTER RECONECTING AUXILIARY BATTERY TERMINAL
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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9. INSTALL DECK FLOOR BOX LH
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10. INSTALL REAR DECK FLOOR BOX
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11. INSTALL NO. 3 DECK BOARD SUB-ASSEMBLY
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12. CHECK AND CLEAR DTC
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13. PERFORM INITIALIZATION AND CALIBRATION OF LINEAR SOLENOID VALVE
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Precaution
PRECAUTION TROUBLESHOOTING PRECAUTIONS (a) When there is a malfunction with terminal contact points or part installation problems, removal and installation of the suspected problem parts may return th
Parts Location
PARTS LOCATION ILLUSTRATION *A w/o AVS - - *1 FRONT AXLE HUB SUB-ASSEMBLY RH - FRONT SPEED SENSOR ROTOR RH *2 FRONT SPEED SENSOR RH *3 FRONT AXLE HUB SUB-ASSEMBLY LH - FRONT
SEE MORE:
Interior Light Switch Signal Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) detects the condition of the door switch and front dome light switch. WIRING DIAGRAM Click here CAUTION / NOTICE / HINT NOTICE:
Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
Open / Short in Steering Lock ECU (B2781)
DESCRIPTION The steering lock ECU and steering lock motor are built into the steering lock actuator assembly. The steering lock ECU (steering lock actuator assembly) detects whether the steering lock is in the lock or unlock position by using the lock sensor and unlock sensor of the steering lock mo
