Lexus NX: Occupant Classification System
Lexus NX Service Manual / Vehicle Interior / Supplemental Restraint Systems / Occupant Classification System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Passenger Side Buckle Switch Circuit Malfunction (B1771)
- Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
- Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
- Front Occupant Classification Sensor LH Collision Detection (B1785)
- Rear Occupant Classification Sensor LH Collision Detection (B1787)
- Center Airbag Sensor Assembly Communication Circuit Malfunction (B1790)
- Open in Occupant Classification ECU Battery Positive Line (B1794)
- Occupant Classification ECU Malfunction (B1795)
- Sleep Operation Failure of Occupant Classification ECU (B1796)
- Trouble in Passenger Airbag ON/OFF Indicator
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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
Parts Location
PARTS LOCATION ILLUSTRATION *1 NO. 2 ENGINE ROOM RELAY BLOCK - ODS FUSE *2 FRONT SEAT INNER BELT ASSEMBLY RH *3 AIR CONDITIONING CONTROL ASSEMBLY *4 OCCUPANT DETECTION ECU *5
System Diagram
SYSTEM DIAGRAM
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Check Bus 2 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus wire and +B when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and termin
Maintenance requirements
To ensure safe and economical driving,
day-to-day care and regular
maintenance are essential. It is the
owner's responsibility to perform
regular checks. Lexus recommends
the following maintenance:
■Repair and replacement
It is recommended that genuine Lexus parts
be used for repairs to en
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