Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Vehicle Control History

Toyota Corolla Cross (2022-2026) Service Manual / Vehicle Interior / Supplemental Restraint Systems / Occupant Classification System / Vehicle Control History

VEHICLE CONTROL HISTORY

NOTICE:

  • Replacing or repairing related components may cause vehicle control history codes to be stored.
  • When checking the vehicle control history, make sure to record the output histories. Then, clear the histories and recheck the output histories again.

CHECK VEHICLE CONTROL HISTORY (OCCUPANT CLASSIFICATION SYSTEM)

(a) Following the instructions on the GTS, display the vehicle control history (RoB) check screen and read the codes.

Body Electrical > SRS Airbag > Utility

Tester Display

Vehicle Control History (RoB)
Vehicle Control History Item (Occupant Classification System)

Warning Light

Code

Tester Display

Measurement Item

Diagnostic Note

SRS warning light illuminated

X204A

Acceleration Sensor Malfunction

Recorded when airbag ECU assembly received a malfunction signal of acceleration sensor output from skid control ECU (brake actuator assembly).
  • for HEV Model:

    Click here

  • for Gasoline Model:

    Click here

SRS warning light illuminated

X20AF

Guess Vehicle Speed Malfunction

Recorded when a guess vehicle speed malfunction signal (invalid value) is received from skid control ECU (brake actuator assembly).
  • for HEV Model:

    Click here

  • for Gasoline Model:

    Click here

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X20D0

Zero Point Calibration of Occupant Detection Load Sensor Undone

Recorded when occupant classification zero point calibration is not performed or could not be completed normally.

Click here

SRS warning light illuminated

X210B

SRS Airbag ECU IG Voltage Drop

Recorded when the airbag ECU assembly input voltage is continuously less than 8 V for 60 seconds.

Click here

CLEAR VEHICLE CONTROL HISTORY (OCCUPANT CLASSIFICATION SYSTEM)

(a) Select the deletion button on the vehicle control history (RoB) check screen and clear the codes.

Body Electrical > SRS Airbag > Utility

Tester Display

Vehicle Control History (RoB)

    READ NEXT:

     Passenger Seat Occupant Classification Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure (B00C028)

    DESCRIPTION DTC B00C028 is also stored when the front seat assembly RH is subjected to a strong impact, even if an actual accident did not occur. DTC No. Detection Item DTC Detection Cond

     Passenger Seat Occupant Classification Sensor "A" Signal (some circuit quantity, reported via serial data) Invalid (B00C086)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode B00C086 Passenger Seat Occupant Classification Sensor "A

     Passenger Seat Occupant Classification Sensor "A" Missing Message (B00C087)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode B00C087 Passenger Seat Occupant Classification Sensor "A

    SEE MORE:

     Lost Communication with Front Control Rear Air Outlet Damper Control Servo Motor LIN Missing Message (B13AA87)

    DESCRIPTION The air conditioning harness assembly connects the air conditioning amplifier assembly and No. 2 air conditioning radiator damper servo sub-assembly. The No. 2 air conditioning radiator damper servo sub-assembly sends damper position information to the air conditioning amplifier assemb

     Room Temperature Sensor Circuit Short to Ground (B141A11)

    DESCRIPTION The cooler thermistor (room temperature sensor) is installed in the instrument panel to detect the cabin temperature, which is used to control the air conditioning system. The resistance of the cooler thermistor (room temperature sensor) changes in accordance with the cabin temperature.

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