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Inspection Procedure

  1. INSPECT RADIO RECEIVER ASSY (R+,R-,L+,L-) 
    1. Check that the voltage between terminals at each condition, as shown in the chart.

      Standard: 

      RADIO RECEIVER ASSY TERMINALS SPECIFIED CONDITION

      Tester connection Condition Specified condition
      R+ - GND Audio system is sounding A waveform synchronized with sounds is output
      R-- GND Audio system is sounding A waveform synchronized with sounds is output
      L+ - GND Audio system is sounding A waveform synchronized with sounds is output
      L-- GND Audio system is sounding A waveform synchronized with sounds is output
    2. RADIO RECEIVER ASSY
      Fig 1: Identifying Radio Receiver Assy Terminals
      G03386728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: CHECK AND REPLACE RADIO RECEIVER ASSY 
    2. OK: GO TO NEXT STEP 
  2. INSPECT STEREO COMPONENT AMPLIFIER ASSY (R+,R-,L+,L-) 
    1. Check that the voltage between terminals at each condition, as shown in the chart.

      Standard: 

      STEREO COMPONENT AMPLIFIER ASSY TERMINALS SPECIFIED CONDITION

      Tester connection Condition Specified condition
      R+ -E Audio system is sounding A waveform synchronized with sounds is output
      R- -E Audio system is sounding A waveform synchronized with sounds is output
      L+ -E Audio system is sounding A waveform synchronized with sounds is output
      L- -E Audio system is sounding A waveform synchronized with sounds is output
    2. STEREO COMPONENT AMPLIFIER ASSY
      Fig 2: Identifying Stereo Component Amplifier Assy Terminals
      G03386729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: CHECK AND REPLACE WIRE HARNESS OR CONNECTOR 
    2. OK: CHECK AND REPLACE STEREO COMPONENT AMPLIFIER ASSY 
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