Occupant Classification System Diagnostic Trouble Code Chart

Vehicle Interior. Corolla. Zre142 Aze141
Supplemental Restraint Systems. Corolla. Zre142 Aze141

Occupant Classification System -- Diagnostic Trouble Code Chart


HINT:
When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, perform troubleshooting for the occupant classification system as shown in the chart below.

Occupant Classification System
DTC Code
Detection Item
Trouble Area
Passenger Airbag ON/OFF Indicator (OFF Indicator)
See page
B1771
Passenger Side Buckle Switch Circuit Malfunction
1. Front seat wire RH
2. Front seat inner belt assembly RH (Passenger side buckle switch)
3. Occupant classification ECU
ON
COROLLA_ZRE142 RM0000010V608GX.html
B1772
Seat Position Sensor Circuit Malfunction
1. Front seat wire RH
2. Seat position airbag sensor (Passenger side)
3. Occupant classification ECU
ON
COROLLA_ZRE142 RM000001PK4011X.html
B1773
Belt Tension Sensor Circuit Malfunction
1. No. 2 floor wire
2. Front seat wire RH
3. Front seat outer belt assembly RH (Seat belt tension sensor)
4. Occupant classification ECU
ON
COROLLA_ZRE142 RM000001PK502UX.html
B1774
Pressure Sensor Circuit Malfunction
1. Front seat wire RH
2. Occupant classification sensor
3. Occupant classification ECU
ON
COROLLA_ZRE142 RM000001PK602UX.html
B1775
Pressure Sensor Power Source Circuit Malfunction
1. Front seat wire RH
2. Occupant classification sensor
3. Occupant classification ECU
ON
COROLLA_ZRE142 RM000001PK602UX.html
B1776
Seat Belt Tension Sensor Power Source Circuit Malfunction
1. No. 2 floor wire
2. Front seat wire RH
3. Front seat outer belt assembly RH (Seat belt tension sensor)
4. Occupant classification ECU
ON
COROLLA_ZRE142 RM000001PK502UX.html
B1790
Center Airbag Sensor Assembly Communication Circuit Malfunction
1. No. 2 floor wire
2. Front seat wire RH
3. Occupant classification ECU
4. Center airbag sensor assembly
ON
COROLLA_ZRE142 RM0000010VF06LX.html
B1795
Occupant Classification ECU Malfunction
Occupant classification ECU
ON
COROLLA_ZRE142 RM00000158204AX.html
B1797
Calibration Malfunction
1. There is no malfunction if this DTC is not output again after performing occupant classification system zero point calibration.
2. Occupant classification sensor
3. Occupant classification ECU
ON
COROLLA_ZRE142 RM000001PK802UX.html