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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2555: Stop Lamp >> DTC Description >> DTC Detection Logic

DTC Detection Logic

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DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B2555

STOP LAMP

(Stop lamp)

Diagnosis condition

When brake pedal is depressed

Signal (terminal)

Stop lamp switch signal

Threshold

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.

Diagnosis delay time

1 second or more