Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT ACCELERATION SENSOR

(a) Connect 3 1.5 V dry cell batteries in series.

(b) Connect a positive (+) lead from the batteries to terminal 3 (SGB) and a negative (-) lead to terminal 2 (SGG).

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

for LH Side

Tester Connection

Condition

Specified Condition

1 (SGFL) - 2 (SGG)

Sensor stationary

Approx. 2.0 to 2.5 V

Sensor vibrating vertically

Changes between approx. 0.9 and 3.6 V

for RH Side

Tester Connection

Condition

Specified Condition

1 (SGFR) - 2 (SGG)

Sensor stationary

Approx. 2.0 to 2.5 V

Sensor vibrating vertically

Changes between approx. 0.9 and 3.6 V

*A

for LH Side

*B

for RH Side

*a

Component without harness connected

(Front Acceleration Sensor LH)

Top

Bottom

NOTICE:

  • Do not apply a voltage of more than 6 V.
  • Do not drop the front acceleration sensor. If it is dropped, replace it with a new one.
  • Never place the front acceleration sensor upside down.

HINT:

When the acceleration sensor is tilted, it may output a different value.

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 Installation

INSTALLATION PROCEDURE 1. INSTALL ACCELERATION SENSOR (a) for RH side: (1) Install the acceleration sensor with the 2 nuts. Torque: 8.5 N·m {87 kgf·cm, 75 in·lbf} NOTICE: Avoid any impact to th

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 Components

COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified

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 Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)

DESCRIPTION The rear occupant classification sensor LH circuit consists of the occupant detection ECU and rear occupant classification sensor LH. DTC B1782 is stored when a malfunction is detected in the rear occupant classification sensor LH circuit. DTC No. Detection Item DTC Detection Cond

 Removal

REMOVAL PROCEDURE 1. REMOVE DOOR SCUFF PLATE ASSEMBLY LH Click here 2. REMOVE COWL SIDE TRIM BOARD LH Click here 3. REMOVE CONSOLE ARMREST ASSEMBLY Click here 4. REMOVE UPPER REAR CONSOLE PANEL Click here 5. REMOVE UPPER NO. 1 CONSOLE PANEL GARNISH Click here 6. REMOVE INSTRUME

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