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Home >> Lexus >> 2008 >> GS 450h >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> Navigation System >> Display Signal Circuit between Multi-display and Radio Receiver >> Inspection Procedure

Inspection Procedure

  1. CHECK WIRE HARNESS (MULTI-DISPLAY - RADIO RECEIVER) 
    1. Disconnect the z17 display connector.
    2. Disconnect the z16 receiver connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      z17-4 (VV-) - z16-2 (GND) Below 1 Ω
      Z17-1 (VV+) -Z16-1 (NTSC) Below 1 Ω
      z17-4 (VV-) - Body ground 10 kΩ or higher
      z17-1 (VV+) - Body ground 10 kΩ or higher
      z16-3 (SLD) - Body ground 10 kΩ or higher
    4. Fig 1: Identifying Z17 Multi-Display And Z16 Radio Receiver Connectors
      G05820055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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