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Last Modified: 11-27-2007 1.6 C
Service Category: Vehicle Interior Section: Supplemental Restraint Systems
Model Year: 2008 Model: LX570 Doc ID: RM0000038D4003X
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: DESCRIPTION (2008 LX570)

DTC

B1675/82

Rear Floor Airbag Sensor Malfunction

DESCRIPTION

The rear floor airbag sensor consists of the diagnostic circuit, the rear floor deceleration sensor, etc.

If the center airbag sensor receives signals from the rear floor deceleration sensor, it determines whether the SRS should be activated.

DTC B1675/82 is stored when a malfunction is detected in the rear floor airbag sensor circuit.

DTC Code

DTC Detection Condition

Trouble Area

B1675/82

When one of the following conditions is met:

  • A rear floor airbag sensor malfunction.
  • A center airbag sensor malfunction.
  • Rear floor airbag sensor
  • Center airbag sensor assembly

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

PROCEDURE

1.

CHECK REAR FLOOR AIRBAG SENSOR


(a) Turn the engine switch off.

(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

(c) Temporarily replace the rear floor airbag sensor with a new one.

(d) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

(e) Turn the engine switch on (IG), and wait for at least 60 seconds.

(f) Clear the DTCs stored in the memory SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(g) Turn the engine switch off.

(h) Turn the engine switch on (IG), and wait for at least 60 seconds.

(i) Check for DTCs SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

OK:

DTC B1675 is not output.

HINT:

Codes other than DTC B1675 may be output at this time, but they are not related to this check.

C