DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Occupant Classification System - Diagnostic Codes & Symptom Tests >> Occupant Classification System >> VEHICLE CONTROL HISTORY (RoB) [11/2023 - ] >> VEHICLE CONTROL HISTORY (RoB) [11/2023 - ]

VEHICLE CONTROL HISTORY (RoB) [11/2023 - ]

NOTE:

When checking the vehicle control history, make sure to record the output histories. Then, remove the histories and recheck the output histories again.

  1. CHECK VEHICLE CONTROL HISTORY 
    1. According to the display on the GTS, check the Vehicle Control History (RoB).

      Body Electrical > SRS Airbag > Utility 

      Tester Display
      Vehicle Control History (RoB)
      VEHICLE CONTROL HISTORY (ROB)

      Warning Light Code Tester Display Measurement Item Diagnostic Note
      SRS warning light illuminated X204A Acceleration Sensor Malfunction Recorded when airbag sensor assembly received a malfunction signal of accelerator sensor output from skid control ECU. Refer to How to Proceed with Troubleshooting in Electronically Controlled Brake System.
      for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]
      for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]
      SRS warning light illuminated X20AF Guess Vehicle Speed Malfunction Recorded when an estimated vehicle speed flag malfunction signal (invalid value) is received from the skid control ECU. Refer to How to Proceed with Troubleshooting in Electronically Controlled Brake System.
      for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]
      for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]
      SRS warning light illuminated 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. Refer to INITIALIZATION [11/2023 - ]
      SRS warning light illuminated X210B SRS Airbag ECU IG Voltage Drop Recorded when the IGR terminal input voltage is continuously less than 8 V for 60 seconds. Refer to TERMINALS OF ECU [11/2023 - ]
  2. CLEAR VEHICLE CONTROL HISTORY 
    1. According to the display on the GTS, clear the Vehicle Control History (RoB).

      Body Electrical > SRS Airbag > Utility 

      Tester Display
      Vehicle Control History (RoB)