DTC Detection Logic
WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
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DTC No.
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CONSULT screen items
(Trouble diagnosis content)
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DTC detecting condition
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B2555
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STOP LAMP
(Stop lamp)
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BCM makes a comparison between the upper voltage and lower voltage of stop lamp switch. It judges from their values to detect the malfunctioning circuit.
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