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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio/Visual - LS460 And LS460L - Audio And Visual System (W/O Multi-Display) >> AUDIO AND VISUAL SYSTEM (w/o Multi-display) >> Integration Control and Panel Assembly Power Source Circuit >> Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE (RADIO NO. 1, P-ACC, P-IG1-1) 
    1. Disconnect the RADIO NO. 1, P-ACC and P-IG1-1 fuses from the passenger side junction block.
    2. Measure the resistance of the fuses.

    Standard Resistance 

    STANDARD RESISTANCE

    Tester Connection Condition Specified Condition
    RADIO NO. 1 fuse Always Below 1 Ω
    P-ACC fuse Always Below 1 Ω
    P-IG1-1 fuse Always Below 1 Ω

    NG: REPLACE FUSE 

    OK: Go to Next Step 

  2. CHECK HARNESS AND CONNECTOR (INTEGRATION CONTROL AND PANEL ASSEMBLY - BATTERY AND BODY GROUND) 
    1. Disconnect the L35 panel connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      STANDARD RESISTANCE

      Tester Connection Condition Specified Condition
      L35-10 (GND1) - Body ground Always Below 1 Ω
      Fig 1: Identifying L35 Panel Connector Terminals
      G04953856Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the voltage according to the value(s) in the table below.

    Standard Voltage 

    STANDARD VOLTAGE

    Tester Connection Switch Condition Specified Condition
    L35-1 (+B1) - Body ground Always 11 to 14 V
    L35-2 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V
    L35-3 (IG) - Body ground Engine switch on (IG) 11 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE )