LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2005 >> RX 330 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 456 (Navigation System - Diagnostics) >> Navigation System >> Sound Signal Circuit (Radio And Navigation ASSY - Stereo Component Amplifier ASSY) >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSY - STEREO COMPONENT AMPLIFIER ASSY) 
    1. Disconnect the radio and navigation assy connector R15 and stereo component amplifier assy connector S11.
    2. Measure the resistance according to the value(s) in RADIO AND NAVIGATION ASSY - STEREO COMPONENT AMPLIFIER ASSY RESISTANCE .

      Standard: 

    RADIO AND NAVIGATION ASSY - STEREO COMPONENT AMPLIFIER ASSY RESISTANCE

    Tester connection Specified condition
    L+ - L+ Below 1 Ω
    L- - L- Below 1 Ω
    R+ - R+ Below 1 Ω
    R- - R- Below 1 Ω
    L+ - Body ground 10 kΩ or higher
    L- - Body ground 10 kΩ or higher
    R+ - Body ground 10 kΩ or higher
    R- - Body ground 10 kΩ or higher
    SLD - Body ground 10 kΩ or higher
    Fig 1: Disconnecting Radio And Navigation Assy Connector R15
    G02630358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Disconnecting Stereo Component Amplifier Assy Connector S11
    G02630359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE