Lexus NX: Airbag System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Check Mode Procedure
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Airbag ECU Malfunction (B1000)
- Front Airbag Sensor (RH) (B1610)
- Front Airbag Sensor Lost Communication (RH) (B1612,B1613)
- Front Airbag Sensor (LH) (B1615)
- Front Airbag Sensor Lost Communication (LH) (B1617,B1618)
- Curtain Shield Airbag Sensor (RH) (B1630,B1632,B1635,B1637)
- Side Satellite Sensor Bus Lost Communication (RH) (B1642,B1643,B1647,B1648)
- Occupant Classification System Malfunction (B1650)
- Driver Side Seat Position Sensor (B1653)
- Seat Belt Buckle Switch (LH) (B1656)
- P Seat Airbag Active Mode Indicator (B1660)
- Side Airbag Sensor RH (B1690,B1695)
- Lost Communication with Side Airbag Sensor RH (B1692,B1693,B1697,B1698)
- Short in D Squib Circuit (B1800-B1803)
- Short in P Squib Circuit (B1805-B1808)
- Short in D Squib (Dual Stage - 2nd Step) Circuit (B1810-B1813)
- Short in P Squib (Dual Stage - 2nd Step) Circuit (B1815-B1818)
- Short in Side Squib (RH) Circuit (B1820-B1823)
- Short in Side Squib (LH) Circuit (B1825-B1828)
- Short in Curtain Shield Airbag (RH) Squib Circuit (B1830-B1833)
- Short in Curtain Shield Airbag (LH) Squib Circuit (B1835-B1838)
- Short in Knee Airbag (D Side) Squib Circuit (B1860-B1863)
- Short in Passenger Side Front Seat Cushion Squib Circuit (B1875-B1878)
- Short in P/T Squib (RH) Circuit (B1900-B1903)
- Short in P/T Squib (LH) Circuit (B1905-B1908)
- Short in Selectable Force Limiter Squib RH Circuit (B1940-B1943)
- SRS Warning Light Remains ON
- SRS Warning Light does not Come ON
READ NEXT:
Precaution
PRECAUTION CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS), which consists of a horn button assembly, instrument panel passenger airbag assembly, curtain shield airbag
Parts Location
PARTS LOCATION ILLUSTRATION *1 FRONT SEAT OUTER BELT ASSEMBLY LH *2 FRONT SEAT OUTER BELT ASSEMBLY RH *3 FRONT SEAT AIRBAG ASSEMBLY LH *4 FRONT SEAT AIRBAG ASSEMBLY RH *5 CUR
System Diagram
SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU (Receiver) Signal Communication Method Airbag ECU Assembly Hybrid Vehicle Control ECU Crash detection signal CAN C
SEE MORE:
Park / Neutral Position Switch Circuit
DESCRIPTION The fold seat control ECU receives switch operation signals, back door open/close signal*1, rear door open/close signal*2 and driving condition signal (shift position, stop light switch assembly, parking brake switch assembly signals) from the main body ECU (multiplex network body ECU).
Terminals Of Ecu
TERMINALS OF ECU HINT: Perform the inspection from the harness side with the connectors connected. STEERING HEATER AND VIBRATION ECU (a) Measure the voltage or resistance according to the value(s) in the table below. Terminal No. (Symbol) Terminal Description Condition Specified Condition
© 2016-2026 Copyright www.lexunx.com
