FixVault

Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT STEREO COMPONENT AMPLIFIER 
    Fig 1: Inspecting Stereo Component Amplifier
    G05135538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester connection Condition Specified condition
      MUTE - Body ground Turn ignition switch to ACC, Audio system is playing → Changing Above 3.5 V → Below 1 V

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

    NG: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER) 
    Fig 2: Checking Harness And Connector (Navigation Receiver Assembly - Stereo Component Amplifier)
    G05135539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the navigation receiver assembly connector R7 and television display assembly connector S11.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester connection Condition Specified condition
      MUTE - MUTE Always Below 1 Ω
      MUTE - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. REPLACE STEREO COMPONENT AMPLIFIER 
    1. Replace the stereo component amplifier and check if it operates normally.

      OK: The navigation system operates normally. 

    OK: NORMAL OPERATION 

    NG: REPLACE NAVIGATION RECEIVER ASSEMBLY