| Last Modified: 11-27-2007 | 1.6 S | |
| Service Category: Vehicle Interior | Section: Supplemental Restraint Systems | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000001OQL00WX |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: DIAGNOSTIC TROUBLE CODE CHART (2008 LX570) | ||
DIAGNOSTIC TROUBLE CODE CHART
HINT:
- When DTC B1650/32 is output as a result of troubleshooting for the "Airbag System", perform troubleshooting for the "Occupant Classification System" as shown in the chart below.
- Use the Techstream to read and clear the DTC of the occupant classification ECU, otherwise the DTCs cannot be read and cleared.
Occupant Classification System
|
DTC Code |
Detection Item |
Trouble Area |
Passenger Airbag ON/OFF Indicator (OFF Indicator) |
See page |
|---|---|---|---|---|
|
B1771 |
Passenger Side Buckle Switch Circuit Malfunction |
- Front seat wire RH - Front seat inner belt assembly RH (passenger side buckle switch) - No. 1 seat cushion assembly (occupant classification ECU) |
On |
|
|
B1772 |
Seat Position Sensor Circuit Malfunction |
- Front seat wire RH - Seat position sensor - No. 1 seat cushion assembly (occupant classification ECU) |
On |
|
|
B1773 |
Belt Tension Sensor Circuit Malfunction |
- Front seat wire RH - Front seat outer belt assembly RH (seat belt tension sensor) - No. 1 seat cushion assembly (occupant classification ECU) |
On |
|
|
B1774 |
Pressure Sensor Circuit Malfunction |
- Front seat wire RH - No. 1 seat cushion assembly (occupant classification ECU and occupant detection sensor) |
On |
|
|
B1775 |
Pressure Sensor Power Source Circuit Malfunction |
- Front seat wire RH - No. 1 seat cushion assembly (occupant classification ECU and occupant detection sensor) |
On |
|
|
B1776 |
Seat Belt Tension Sensor Power Source Circuit Malfunction |
- Front seat wire RH - Front seat outer belt assembly RH (seat belt tension sensor) - No. 1 seat cushion assembly (occupant classification ECU) |
On |
|
|
B1790 |
Center Airbag Sensor Assembly Communication Circuit Malfunction |
- No. 2 floor wire - Front seat wire RH - No. 1 seat cushion assembly (occupant classification ECU) - Center airbag sensor assembly |
On |
|
|
B1795 |
Occupant Classification ECU Malfunction |
- No. 1 seat cushion assembly (occupant detection sensor) |
On |
|
|
B1797 |
Calibration Malfunction |
- There is no malfunction if this DTC is not output again after performing occupant classification system zero point calibration - No. 1 seat cushion assembly (occupant detection sensor) |
On |
|
|
|