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Home >> Lexus >> 2018 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Pedestrian Protection System - Diagnostic Codes (1 Of 2) >> Pedestrian Protection System >> DTC B16A0: Pedestrian Protection Sensor Malfunction (RH); DTC B16A4: Pedestrian Protection Sensor Drift Check (RH) [12/2017 - 10/2020] >> Description

DTC B16A0: Pedestrian Protection Sensor Malfunction (RH); DTC B16A4: Pedestrian Protection Sensor Drift Check (RH) [12/2017 - 10/2020]: Description

The pedestrian detection sensor RH circuit consists of the pedestrian detection ECU assembly and pedestrian protection sensor RH.

The pedestrian protection sensor RH detects impacts to the vehicle and sends signals to the pedestrian detection ECU assembly to determine if the pop up hood should be deployed.

DTC B16A0 and B16A4 is stored when a malfunction is detected in the pedestrian protection sensor RH.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B16A0 Pedestrian Protection Sensor Malfunction (RH) Either condition is met:
  • A pedestrian protection sensor RH malfunction
  • A pedestrian detection ECU assembly malfunction
  • Pedestrian detection chamber assembly (pedestrian protection sensor RH)
  • Pedestrian detection ECU assembly
Comes on Not applicable
B16A4 Pedestrian Protection Sensor Drift Check (RH) Pressure equal to or greater than the specified value is detected in the pedestrian detection chamber assembly (pedestrian protection sensor RH).
  • Pedestrian detection chamber assembly (pedestrian protection sensor RH)
  • Pedestrian detection ECU assembly
Comes on Not applicable