LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Navigation System) >> Navigation System >> Illumination Signal Check For NAVI Control Unit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Illumination Signal Check For NAVI Control Unit

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ILLUMINATION SIGNAL 
    1. Turn the ignition switch ON.
    2. Check voltage between NAVI control unit and ground.
    VOLTAGE SPECIFICATION

    Terminals Lighting switch position
    (+) (-)
    Connector Terminal (Wire color) 1st or 2nd position OFF
    P107 25 (R/L) Ground Battery voltage Approx. 0V

    OK or NG

    1. OK: Replace NAVI control unit. Refer to REMOVAL AND INSTALLATION OF NAVI CONTROL UNIT .
    2. NG: Check harness for open or short between NAVI control unit and IPDM E/R.
      Fig 1: Checking Voltage Between NAVI Control Unit And Ground
      G03501239Courtesy of NISSAN MOTOR CO., U.S.A.