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DTC B227B: Push Engine Switch Input Performance [11/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition
B227B Push Engine Switch Input Performance When any of the following conditions is established.
  • Judgment of Switch ON stuck is present. (When any of the following conditions is established)
    1. The status continues for 40 seconds where engine switch input (SSW1 terminal) is ON ("L" level) and engine switch input (SSW2 terminal) is OFF ("H" level).
    2. The status continues for 40 seconds where engine switch input (SSW1 terminal) is OFF ("H" level) and engine switch input (SSW2 terminal) is ON ("L" level).
  • Judgment of OFF stuck is present. (When any of the following conditions is established 3 times in a row)

    Only when a series of judgment is continuously made with the same judgment condition under either condition of 1 or 2.

    1. Engine switch input (SSW1 terminal) is OFF ("H" level) → ON ("L" level) → OFF, and engine switch input (SSW2 terminal) is OFF ("H" level).
    2. Engine switch input (SSW1 terminal) is OFF ("H" level), and engine switch input (SSW2 terminal) is OFF ("H" level) → ON ("L" level) → OFF.

Trouble symptom: 

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