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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Power Seat Position is not Memorized
DESCRIPTION The main body ECU (multiplex network body ECU) receives seat memory switch signals from the outer mirror control ECU assembly (for Driver Side) via CAN communication. If the seat memory SET switch is being pressed when one of the M1, M2 or M3 switches is pressed, or if one of the M1, M2
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c)
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