Corolla 2006-2007

1.8L L4 VIN - Std 1

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1.8L L4 VIN - Std

Trouble Code: B1000/31



Airbag ECU Malfunction

Possible Causes:



Airbag sensor assy center
 

Trouble Code: B1000/31



Center Airbag Sensor Assembly Malfunction

Possible Causes:



Center airbag sensor assembly
 

Trouble Code: B127/56



Short to GND in Front Passenger Side - Side Squib Circuit

Possible Causes:



Floor wire
 
Front seat side airbag assembly RH (Front passenger side - side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1610/13



Front Airbag Sensor RH Circuit Malfunction

Possible Causes:



Instrument panel wire
 
Engine room main wire
 
Front airbag sensor RH
 
Center airbag sensor assembly
 

Trouble Code: B1615/14



Front Airbag Sensor LH Malfunction

Possible Causes:



Instrument panel wire
 
Engine room main wire
 
Front airbag sensor LH
 
Center airbag sensor assembly
 

Trouble Code: B1620/21



Driver Side - Side Airbag Sensor Circuit Malfunction

Possible Causes:



Floor wire
 
Driver side rear airbag sensor
 
Driver side - side airbag sensor
 
Center airbag sensor assembly
 

Trouble Code: B1625/22



Front Passenger Sde - Side Airbag Sensor Circuit Malfunction

Possible Causes:



Floor wire
 
Front passenger side rear airbag sensor
 
Front passenger side - side airbag sensor
 
Center airbag sensor assembly
 

Trouble Code: B1630/23



Driver Side Rear Airbag Sensor Circuit Malfunction

Possible Causes:



Floor wire
 
Driver side - side airbag sensor
 
Driver side rear airbag sensor
 
Center airbag sensor assembly
 

Trouble Code: B1635/24



Front Passenger Side Rear Airbag Sensor Circuit Malfunction

Possible Causes:



Floor wire
 
Front passenger side - side airbag sensor
 
Front passenger side rear airbag sensor
 
Center airbag sensor assembly
 

Trouble Code: B1650/32



Occupant Classification System Malfunction

Possible Causes:



Occupant classification system
 
Floor wire (with Side and curtain shield airbag)
 
Instrument panel wire No. 3 (without Side and curtain shield airbag)
 
Center airbag sensor assembly
 

Trouble Code: B1653/35



Seat Position Airbag Sensor Circuit Malfunction

Possible Causes:



Floor wire (with Side and curtain shield)
 
Instrument Panel Wire No. 3 (without Side and curtain shield)
 
Front seat inner belt assembly LH
 
Seat position airbag sensor
 
Center airbag sensor assembly
 

Trouble Code: B1655/37



Driver Side Seat Belt Buckle Switch Circuit Malfunction

Possible Causes:



Floor wire (with Side and curtain shield airbag)
 
Instrument panel wire No. 3 (without Side and curtain shield airbag)
 
Front seat inner belt assembly LH (Driver side seat belt buckle switch)
 
Center airbag sensor assembly
 

Trouble Code: B1660/43



Passenger Airbag ON/OFF Indicator Circuit Malfunction

Possible Causes:



Instrument panel wire
 
Telltale light assembly (Passenger airbag ON/OFF indicator)
 
Center airbag sensor assembly
 

Trouble Code: B1771



Passenger Side Buckle Switch Circuit Malfunction

Possible Causes:



Front seat inner belt assembly RH (Buckle switch RH)
 
Occupant classification ECU
 
Floor wire (with Side and curtain shield airbag)
 
Instrument panel wire No. 3 (without Side and curtain shield airbag)
 

Trouble Code: B1780



Front Occupant Classification Sensor LH Circuit Malfunction

Possible Causes:



Front seat with adjuster frame assembly RH (Front occupant classification sensor LH)
 
Occupant classification ECU
 
Front seat wire RH
 

Trouble Code: B1781



Front Occupant Classification Sensor RH Circuit Malfunction

Possible Causes:



Front seat with adjuster frame assembly RH (Front occupant classification sensor RH)
 
Occupant classification ECU
 
Front seat wire RH
 

Trouble Code: B1782



Rear Occupant Classification Sensor LH Circuit Malfunction

Possible Causes:



Front seat with adjuster frame assembly RH (Rear occupant classification sensor LH)
 
Occupant classification ECU
 
Front seat wire RH
 

Trouble Code: B1783



Rear Occupant Classification Sensor RH Circuit Malfunction

Possible Causes:



Front seat with adjuster frame assembly RH (Rear occupant classification sensor RH)
 
Occupant classification ECU
 
Front seat wire RH
 

Trouble Code: B1785



Front Occupant Classification Sensor LH Collision Detection

Possible Causes:



Front seat with adjuster frame assembly RH (Front occupant classification sensor LH)
 
Occupant classification ECU
 

Trouble Code: B1786



Front Occupant Classification Sensor RH Collision Detection

Possible Causes:



Front seat with adjuster frame assembly RH (Front occupant classification sensor RH)
 
Occupant classification ECU
 

Trouble Code: B1787



Rear Occupant Classification Sensor LH Collision Detection

Possible Causes:



Front seat with adjuster frame assembly RH (Rear occupant classification sensor LH)
 
Occupant classification ECU
 

Trouble Code: B1788



Rear Occupant Classification Sensor RH Collision Detection

Possible Causes:



Front seat with adjuster frame assembly RH (Rear occupant classification sensor RH)
 
Occupant classification ECU
 

Trouble Code: B1790



Center Airbag Sensor Assembly Communication Circuit Malfunction

Possible Causes:



Occupant classification ECU
 
Center airbag sensor assembly
 
Floor wire (with Side and curtain shield airbag)
 
Instrument panel wire No. 3 (without Side and curtain shield airbag)
 

Trouble Code: B1793



Occupant Classification Sensor Power Supply Circuit Malfunction

Possible Causes:



Front seat with adjuster frame assembly RH (Occupant classification sensors)
 
Occupant classification ECU
 
Front seat wire RH
 

Trouble Code: B1794



Open in Occupant Classification ECU Battery Positive Line

Possible Causes:



Battery
 
ECU-B Fuse
 
Front seat wire RH
 
Occupant classification ECU
 

Trouble Code: B1795



Occupant Classification ECU Malfunction

Possible Causes:



Battery
 
ECU-B Fuse
 
Floor wire (with Side and curtain shield airbag)
 
Front seat wire RH (without Side and curtain shield airbag)
 
Front seat inner belt assembly RH (Buckle switch RH)
 
Occupant classification ECU
 

Trouble Code: B1796



Sleep Operation Failure Of Occupant Classification ECU

Possible Causes:



Occupant classification ECU
 

Trouble Code: B1800/51



Short in Driver Side Squib Circuit

Possible Causes:



Instrument panel wire
 
Spiral cable
 
Steering pad (Driver side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1802/51



Short To GND In Driver Side Squib Circuit

Possible Causes:



Instrument panel wire
 
Spiral cable
 
Steering pad (Driver side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1803/51



Short to B+ in Driver Side Squib Circuit

Possible Causes:



Instrument panel wire
 
Spiral cable
 
Steering pad (Driver side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1805/52



Short in Front Passenger Side Squib Circuit

Possible Causes:



Instrument panel wire
 
Front passenger airbag assembly (Front passenger side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1806/52



Open in Front Passenger Side Squib Circuit

Possible Causes:



Instrument panel wire
 
Front passenger airbag assembly (Front passenger side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1807/52



Short to GND in Front Passenger Side Squib Circuit

Possible Causes:



Instrument panel wire
 
Front passenger airbag assembly (Front passenger side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1808/52



Short to B+ in Front Passenger Side Squib Circuit

Possible Causes:



Instrument panel wire
 
Front passenger airbag assembly (Front passenger side squib)
 
Center airbag sensor assembly
 

Trouble Code: B1810/53



Short in Driver Side Squib 2nd Step Circuit

Possible Causes:



Instrument panel wire
 
Spiral cable
 
Steering pad (Driver side squib 2nd step)
 
Center airbag sensor assembly
 

Trouble Code: B1811/53



Open in Driver Side Squib 2nd Step Circuit

Possible Causes:



Instrument panel wire
 
Spiral cable
 
Steering pad (Driver side squib 2nd step)
 
Center airbag sensor assembly
 

Trouble Code: B1812/53



Short to GND in Driver Side Squib 2nd Step Circuit

Possible Causes:



Instrument panel wire
 
Spiral cable
 
Steering pad (Driver side squib 2nd step)
 
Center airbag sensor assembly
 

Trouble Code: B1813/53



Short to B+ in Driver Side Squib 2nd Step Circuit

Possible Causes:



Instrument panel wire
 
Spiral cable
 
Steering pad (Driver side squib 2nd step)
 
Center airbag sensor assembly
 

Trouble Code: B1815/54



Short in Front Passenger Side Squib 2nd Step Circuit

Possible Causes:



Instrument panel wire
 
Front passenger airbag assembly (Front passenger side squib 2nd step)
 
Center airbag sensor assembly
 

Trouble Code: B1816/54



Open in Front Passenger Side Squib 2nd Step Circuit

Possible Causes:



Instrument panel wire
 
Front passenger airbag assembly (Front passenger side squib 2nd step)
 
Center airbag sensor assembly
 

 
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