Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2005ES 330REPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSSUPPLEMENTAL RESTRAINT SYSTEM - DIAGNOSTICS
2005 Lexus ES 330
Supplemental Restraint System - Diagnostics
2005 Lexus ES 330SECTION Supplemental Restraint System - Diagnostics
- Precaution
- Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Initialization
- Diagnosis System
- DTC Check/Clear
- Check Mode Procedure
- Data List/Active Test
- Terminals Of Ecu
- Problem Symptoms Table
- Diagnostic Trouble Code Chart
- DTC B1000/31: Airbag Sensor ASSY Center Malfunction
- DTC B1610/13: Front Airbag Sensor (RH) Malfunction
- DTC B1615/14: Front Airbag Sensor (LH) Malfunction
- DTC B1620/21: Side Airbag Sensor Assembly (D Seat Side) Malfunction
- DTC B1625/22: Side Airbag Sensor Assembly (P Seat Side) Malfunction
- DTC B1630/23: Curtain Shield Airbag Sensor (D Seat Side) Malfunction
- DTC B1635/24: Curtain Shield Airbag Sensor (P Seat Side) Malfunction
- DTC B1650/32: Occupant Classification System Malfunction
- DTC B1653/35: Seat Position Sensor Assembly Malfunction
- DTC B1655/37: Seat Belt Buckle Switch (D Seat Side) Malfunction
- DTC B1660/43: Passenger Airbag On/Off Indicator Light Circuit Malfunction
- DTC B1771: Passenger Side Buckle Switch Circuit Malfunction
- DTC B1780: Occupant Classification Sensor Front LH Circuit Malfunction
- DTC B1781: Occupant Classification Sensor Front RH Circuit Malfunction
- DTC B1782: Occupant Classification Sensor Rear LH Circuit Malfunction
- DTC B1783: Occupant Classification Sensor Rear RH Circuit Malfunction
- DTC B1785: Occupant Classification Sensor Front LH Collision Detection
- DTC B1786: Occupant Classification Sensor Front RH Collision Detection
- DTC B1787: Occupant Classification Sensor Rear LH Collision Detection
- DTC B1788: Occupant Classification Sensor Rear RH Collision Detection
- DTC B1790: Airbag Sensor ASSY Center Communication Circuit Malfunction
- DTC B1793: Occupant Classification Sensor Power Supply Circuit Malfunction
- DTC B1795: Occupant Classification Ecu Malfunction
- DTC B1796: Sleep Operation Failure Of Occupant Classification Ecu
- DTC B1800/51, B1801/51, B1802/51, B1803/51: Short/Open In D Squib Circuit (To Ground)/ (To B+)
- DTC B1805/52, B1806/52, B1807/52, B1808/52: Short/Open In P Squib Circuit (To Ground)/ (To B+)
- DTC B1810/53, B1811/53, B1812/53, B1813/53: Short/Open In D Squib (Dual Stage - 2ND Step) Circuit (To Ground)/ (To B+)
- DTC B1815/54, B1816/54, B1817/54, B1818/54: Short/Open In P Squib (Dual Stage - 2ND Step) Circuit (To Ground)/ (To B+)
- DTC B1820/55, B1821/55, B1822/55, B1823/55: Short/Open In Side Squib (D Seat Side) Circuit (To Ground)/ (To B+)
- DTC B1825/56, B1826/56, B1827/56, B1828/56: Short/Open In Side Squib (P Seat Side) Circuit (To Ground)/ (To B+)
- DTC B1830/57, B1831/57, B1832/57, B1833/57: Short/Open In Curtain Shield Airbag (D Seat Side) Squib Circuit (To Ground)/ (To B+)
- DTC B1835/58, B1836/58, B1837/58, B1838/58: Short/Open In Curtain Shield Airbag (P Seat Side) Squib Circuit (To Ground)/ (To B+)
- DTC B1900/73, B1901/73, B1902/73, B1903/73: Short/Open In Front P/T Squib (D Seat Side) Circuit (To Ground)/ (To B+)
- DTC B1905/74, B1906/74, B1907/74, B1908/74: Short/Open In Front P/T Squib (P Seat Side) Circuit (To Ground)/ (To B+)
- DTC B1920/77, B1921/77, B1922/77, B1923/77: Short/Open In Rear P/T Squib (D Seat Side) Circuit (To Ground)/ (To B+)
- DTC B1925/78, B1926/78, B1927/78, B1928/78: Short/Open In Rear P/T Squib (P Seat Side) Circuit (To Ground)/ (To B+)
- Source Voltage Drop
- SRS Warning Light Circuit Malfunction (Always Light Up, When DTC Is Not Output)
- SRS Warning Light Circuit Malfunction (Does Not Light Up, When Ignition Switch Is Turned To On)
- TC Terminal Circuit
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.