LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460 >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting >> Map Light Assembly >> On-Vehicle Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

  1. INSPECT MAP LIGHT ASSEMBLY 
    1. Remove the map light with connecting connector.
    2. Measure the voltage according to the value(s) in the table below.
      Fig 1: Inspecting Map Light Assembly
      G04944887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard voltage 

      MAP LIGHT ASSEMBLY VOLTAGE

      Tester Connection Switch Condition Specified Condition
      X4-3 (RLSW) - X4-16 (GND9) Rear spot light RH switch OFF Below 1 V
      Rear spot light RH switch ON 11 to 14 V
      X4-4 (RRSW) - X4-16 (GND9) Rear spot light LH switch OFF Below 1 V
      Rear spot light LH switch ON 11 to 14 V
      X4-6 (+B) - X4-16 (GND9) Always 11 to 14 V
      X4-11 (ILLB) - X4-16 (GND9) Always 11 to 14 V
      X4-12 (RLVS) - X4-16 (GND9) Rear vanity light LH switch OFF Below 1 V
      Rear vanity light LH switch ON 11 to 14 V
      X4-13 (RRVS) - X4-16 (GND9) Rear vanity light RH switch OFF Below 1 V
      Rear vanity light RH switch ON 11 to 14 V
      X4-27 (DOME) - X4-16 (GND9) Always 11 to 14 V
      X6-7 (RLMP) - X4-16 (GND9) Always 11 to 14 V
      X6-8 (RRMP) - X4-16 (GND9) Always 11 to 14 V
      X6-11 (ILL+) - X4-16 (GND9) Engine switch on (ACC) 11 to 14 V
      X6-13 (ILL-) - X4-16 (GND9) Headlight dimmer switch OFF 11 to 14 V
      Headlight dimmer switch TAIL Below 1 V
      X6-14 (RRVT) - X4-16 (GND9) Rear vanity light RH switch OFF 11 to 14 V
      Rear vanity light RH switch ON Below 1 V
      X6-16 (RLVT) - X4-16 (GND9) Rear vanity light LH switch OFF 11 to 14 V
      Rear vanity light LH switch ON Below 1 V
      X6-18 (RILL) - X4-16 (GND9) Rear dome light OFF 11 to 14 V
      Rear dome light ON Below 1 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      MAP LIGHT ASSEMBLY RESISTANCE

      Tester Connection Condition Specified Condition
      X4-15 (GND6) - Body ground Always Below 1 Ω
      X4-16 (GND9) - Body ground Always Below 1 Ω
      X6-17 (GND6) - Body ground Always Below 1 Ω
      X6-20 (GND4) - Body ground Always Below 1 Ω

      If the result is not as specified, replace the map light.