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:

     Check Bus 4 Line

    DESCRIPTION Symptom Trouble Area There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen. CAN main

     Parts Location

    PARTS LOCATION ILLUSTRATION *1 VEHICLE APPROACHING SPEAKER ASSEMBLY *2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *3 HYBRID VEHICLE CONTROL ECU *4 VEHICLE APPROACHING SPEAKER CONTROLLER *5 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *6 COMBINATION METER

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