Lexus NX: Installation
INSTALLATION
PROCEDURE
1. INSTALL AIRBAG ECU ASSEMBLY
(a) Check that the power switch is off.
(b) Check that the cable is disconnected from the 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.
| (c) Check that the waterproof sheet is properly set. |
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(d) Install the airbag ECU assembly with the 3 bolts.
Torque:
17.5 N·m {178 kgf·cm, 13 ft·lbf}
NOTICE:
- If the airbag ECU assembly has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the airbag ECU assembly with a new one.
- When installing the airbag ECU assembly, be careful that the SRS wiring does not interfere with or is not pinched between other parts.
- When the power switch is first turned on (READY) after the airbag ECU assembly has been replaced, make sure that no one is in the vehicle.
(e) Connect the airbag connector and push the connector lock to lock the airbag connector.
NOTICE:
- When connecting any airbag connector, take care not to damage the airbag wire harness.
- Do not allow the water proof sheet to become pinched.
(f) Check that there is no looseness in the installation parts of the airbag ECU assembly.
2. INSTALL FRONT CONSOLE BOX
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3. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
(a) Connect the cable to the negative (-) auxiliary battery terminal and tighten the nut.
Torque:
5.4 N·m {55 kgf·cm, 48 in·lbf}
4. INITIALIZATION AFTER RECONNECTING 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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5. INSTALL DECK FLOOR BOX LH
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6. INSTALL REAR DECK FLOOR BOX
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7. INSTALL NO. 3 DECK BOARD SUB-ASSEMBLY
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8. PERFORM DIAGNOSTIC SYSTEM CHECK
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9. CHECK SRS WARNING LIGHT
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READ NEXT:
Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 AUXILIARY BATTERY NEGATIVE TERMINAL N*m (kgf*cm, ft.*lbf): Specified
On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to follow the correct removal and installation procedures of the curtain shield airbag assemblies. PROCEDURE 1. INSPECT CURTAIN SHIELD AI
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR 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 / AFS / Trouble Codes. Body Electrical > AFS > Trouble Codes (e) Check for DTCs. CLEAR DTC (a) Connect the Techs
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Main body ECU (multiplex network body ECU) Multiplex network door ECU
Combination switch assembly signal
Back door opener switch assembly signal
Power back door ON/OFF signal
