LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Body, Lock & Security System) >> Intelligent Key System/Engine Start Function >> DTC B2555: Stop Lamp Circuit >> Diagnostic Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Procedure

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK STOP LAMP SIGNAL 

    With CONSULT-III 

    Check ("STOP LAMP SW") in DATA MONITOR mode with CONSULT-III.

    When depressing the break pedal 

    STOP LAMP SW : ON 

    Without CONSULT-III 

    Check voltage between Intelligent Key unit connector and ground.

    TERMINAL VOLTAGE CHART

    Terminals Voltage (V) (Approx.)
    (+) (-)
    Intelligent Key unit connector Terminal
    M32 63 Ground Battery voltage

    OK or NG 

    OK: XXX

    NG: Check the following.

    Fig 1: Checking Voltage Between Intelligent Key Unit Connector Terminal 63 And Ground
    G05212332Courtesy of NISSAN MOTOR CO., U.S.A.
    • 10A fuse [No.20, located in the fuse block (J/B)]
    • Harness for open or short between fuse block and Intelligent Key unit.