Lexus NX manuals

Lexus NX: Removal

Lexus NX Service Manual / Vehicle Interior / Supplemental Restraint Systems / Occupant Classification Ecu / Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY

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2. REMOVE REAR DECK FLOOR BOX

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3. REMOVE DECK FLOOR BOX LH

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4. PRECAUTION

CAUTION:

Be sure to read Precaution thoroughly before servicing.

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NOTICE:

  • After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

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  • When removing front seat assembly RH, perform zero point calibration and sensitivity check.

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  • When replacing the occupant detection ECU, perform zero point calibration and sensitivity check.

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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.

(a) Loosen the nut and disconnect the cable from the negative (-) auxiliary battery terminal.

6. REMOVE FRONT SEAT ASSEMBLY RH

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7. REMOVE OCCUPANT DETECTION ECU

(a) Disconnect the 2 connectors.

(b) Detach the claw and remove the occupant detection ECU.

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL OCCUPANT DETECTION ECU (a) Attach the claw to install the occupant detection ECU. NOTICE: If the occupant detection ECU has been dropped, or there are any cracks, den

 Occupant Classification System

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After turning the power switch off, waiting time may be required before disconnecting the cable from t

SEE MORE:

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION The ECU stores DTCs when malfunctions occur. The diagnostic system allows for reading of the DTCs from the DLC3. Use the Techstream to check for malfunctions and perform repairs. CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure t

 Terminals Of Ecu

TERMINALS OF ECU CHECK FOLD SEAT CONTROL ECU (REAR RIGHT SEAT) (a) Disconnect the h3 and h4 fold seat control ECU (rear right seat) connectors. (b) Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condi

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