DESCRIPTION
The passenger side buckle switch circuit consists of the occupant classification ECU and front seat inner belt RH.
DTC B1771 is stored when a malfunction is detected in the passenger side buckle switch circuit.
Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are output simultaneously.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1771 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the passenger side buckle switch circuit for 2 seconds. Passenger side buckle switch malfunction. Occupant classification ECU malfunction. | Front seat inner belt assembly RH (Front passenger side buckle switch) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1771 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 281
The passenger side buckle switch circuit consists of the occupant classification ECU and front seat inner belt RH.
DTC B1771 is stored when a malfunction is detected in the passenger side buckle switch circuit.
Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are output simultaneously.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1771 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the passenger side buckle switch circuit for 2 seconds. Passenger side buckle switch malfunction. Occupant classification ECU malfunction. | Front seat inner belt assembly RH (Front passenger side buckle switch) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1771 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
The front occupant classification sensor LH circuit consists of the occupant classification ECU and front occupant classification sensor LH.
DTC B1780 is stored when a malfunction is detected in the front occupant classification sensor LH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1780 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the front occupant classification sensor LH circuit for 2 seconds. Front occupant classification sensor LH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor LH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1780 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 282
The front occupant classification sensor LH circuit consists of the occupant classification ECU and front occupant classification sensor LH.
DTC B1780 is stored when a malfunction is detected in the front occupant classification sensor LH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1780 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the front occupant classification sensor LH circuit for 2 seconds. Front occupant classification sensor LH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor LH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1780 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
The front occupant classification sensor RH circuit consists of the occupant classification ECU and front occupant classification sensor RH.
DTC B1781 is stored when a malfunction is detected in the front occupant classification sensor RH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1781 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the front occupant classification sensor RH circuit for 2 seconds. Front occupant classification sensor RH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor RH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1781 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 283
The front occupant classification sensor RH circuit consists of the occupant classification ECU and front occupant classification sensor RH.
DTC B1781 is stored when a malfunction is detected in the front occupant classification sensor RH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1781 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the front occupant classification sensor RH circuit for 2 seconds. Front occupant classification sensor RH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor RH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1781 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
The rear occupant classification sensor LH circuit consists of the occupant classification ECU and rear occupant classification sensor LH.
DTC B1782 is stored when a malfunction is detected in the rear occupant classification sensor LH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1782 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the rear occupant classification sensor LH circuit for 2 seconds. Rear occupant classification sensor LH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor LH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1782 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 284
The rear occupant classification sensor LH circuit consists of the occupant classification ECU and rear occupant classification sensor LH.
DTC B1782 is stored when a malfunction is detected in the rear occupant classification sensor LH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1782 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the rear occupant classification sensor LH circuit for 2 seconds. Rear occupant classification sensor LH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor LH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1782 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
The rear occupant classification sensor RH circuit consists of the occupant classification ECU and rear occupant classification sensor RH.
DTC B1783 is stored when a malfunction is detected in the rear occupant classification sensor RH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1783 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the rear occupant classification sensor RH circuit for 2 seconds. Rear occupant classification sensor RH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor RH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1783 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 285
The rear occupant classification sensor RH circuit consists of the occupant classification ECU and rear occupant classification sensor RH.
DTC B1783 is stored when a malfunction is detected in the rear occupant classification sensor RH circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1783 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the rear occupant classification sensor RH circuit for 2 seconds. Rear occupant classification sensor RH malfunction. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor RH) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1783 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1785 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor LH when an accident occurs.
DTC B1785 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1785 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1785 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1785 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor LH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor LH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1785 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1785 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor LH when an accident occurs.
DTC B1785 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1785 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1785 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1785 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor LH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor LH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1785 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1786 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor RH when an accident occurs.
DTC B1786 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1786 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1786 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1786 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor RH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor RH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1786 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1786 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor RH when an accident occurs.
DTC B1786 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1786 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1786 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1786 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the front occupant classification sensor RH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Front occupant classification sensor RH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1786 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1787 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor LH when an accident occurs.
DTC B1787 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1787 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1787 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1787 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor LH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor LH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1787 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1787 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor LH when an accident occurs.
DTC B1787 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1787 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1787 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1787 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor LH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor LH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1787 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1788 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor RH when an accident occurs.
DTC B1788 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1788 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1788 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1788 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor RH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor RH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1788 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1788 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor RH when an accident occurs.
DTC B1788 is also stored when the separate type front seat cushion spring RH is subjected to a strong impact, even if an actual accident has not occurred.
However, when the occupant classification ECU outputs a collision detection signal, even if the vehicle has not been in a collision, DTC B1788 can be cleared by conducting the zero point calibration and sensitivity check.
Therefore, if DTC B1788 is output, first perform the zero point calibration and sensitivity check.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1788 | Either condition is met: Occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor RH when an accident occurs. Separate type front seat cushion spring RH is subjected to a strong impact, regardless of whether or not an actual accident has occurred. | Separate type front seat cushion spring assembly RH (Rear occupant classification sensor RH) Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1788 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
The center airbag sensor communication circuit consists of the occupant classification ECU and center airbag sensor.
DTC B1790 is stored when a malfunction is detected in the center airbag sensor communication circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1790 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the center airbag sensor communication circuit for 2 seconds. Center airbag sensor malfunction. Occupant classification ECU malfunction. | Floor wire Front seat wire RH Occupant classification ECU Center airbag sensor |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1790 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 286
The center airbag sensor communication circuit consists of the occupant classification ECU and center airbag sensor.
DTC B1790 is stored when a malfunction is detected in the center airbag sensor communication circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1790 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the center airbag sensor communication circuit for 2 seconds. Center airbag sensor malfunction. Occupant classification ECU malfunction. | Floor wire Front seat wire RH Occupant classification ECU Center airbag sensor |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1790 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
The occupant classification sensor power supply circuit consists of the occupant classification ECU and occupant classification sensors.
DTC B1793 is stored when a malfunction is detected in the occupant classification sensor power supply circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1793 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the occupant classification sensor power supply circuit for 2 seconds. Open circuit in the occupant classification sensor wire harness. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Occupant classification sensors) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1793 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 287
The occupant classification sensor power supply circuit consists of the occupant classification ECU and occupant classification sensors.
DTC B1793 is stored when a malfunction is detected in the occupant classification sensor power supply circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1793 | One of the following conditions is met: Occupant classification ECU detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the occupant classification sensor power supply circuit for 2 seconds. Open circuit in the occupant classification sensor wire harness. Occupant classification ECU malfunction. | Separate type front seat cushion spring assembly RH (Occupant classification sensors) Front seat wire RH Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1793 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1794 is stored when a malfunction is detected in the occupant classification ECU.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1794 | One of the following conditions is met: Occupant classification ECU circuit malfunction. Occupant classification ECU malfunction. Occupant classification ECU detects a short circuit to ground signal in the passenger side buckle switch circuit for 2 seconds. | Harness or connector Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1794 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
Scheme 288
DTC B1794 is stored when a malfunction is detected in the occupant classification ECU.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1794 | One of the following conditions is met: Occupant classification ECU circuit malfunction. Occupant classification ECU malfunction. Occupant classification ECU detects a short circuit to ground signal in the passenger side buckle switch circuit for 2 seconds. | Harness or connector Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1794 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1795 is stored when a malfunction is detected in the occupant classification ECU.
Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1795 | Occupant classification ECU malfunction. | Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1795 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
DTC B1795 is stored when a malfunction is detected in the occupant classification ECU.
Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1795 | Occupant classification ECU malfunction. | Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1795 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
During sleep mode, the occupant classification ECU monitors the condition of each sensor while the ignition switch is off. In this mode, if the occupant classification ECU detects an internal malfunction, DTC B1796 is stored.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1796 | Occupant classification ECU malfunction. | Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1796 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
During sleep mode, the occupant classification ECU monitors the condition of each sensor while the ignition switch is off. In this mode, if the occupant classification ECU detects an internal malfunction, DTC B1796 is stored.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1796 | Occupant classification ECU malfunction. | Occupant classification ECU |
HINT
- When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1796 of the occupant classification system.
- Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.
The occupant classification system detects the front passenger seat condition. The system then informs the passenger of the front passenger airbag assembly and front passenger side knee airbag status (activated/not activated) with the passenger airbag ON/OFF indicator.
HINT
Approximately 6 seconds after the ignition switch is turned to ON, the passenger airbag ON/OFF indicator will indicate the on/off status depending on the conditions listed below.
| Front Passenger Seat Condition | ON Indicator | OFF Indicator |
|---|---|---|
| Vacant | Off | Off |
| Adult is seated | On | Off |
| Child is seated | Off | On |
| Front passenger occupant classification system failure | Off | On |
The occupant classification system detects the front passenger seat condition. The system then informs the passenger of the front passenger airbag assembly and front passenger side knee airbag status (activated/not activated) with the passenger airbag ON/OFF indicator.
HINT
Approximately 6 seconds after the ignition switch is turned to ON, the passenger airbag ON/OFF indicator will indicate the on/off status depending on the conditions listed below.
| Front Passenger Seat Condition | ON Indicator | OFF Indicator |
|---|---|---|
| Vacant | Off | Off |
| Adult is seated | On | Off |
| Child is seated | Off | On |
| Front passenger occupant classification system failure | Off | On |