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Terminals Of Ecu

  1. CHECK MULTI-DISPLAY CONTROLLER (RSE ECU) 
    Fig 1: Identifying Multi-Display Controller Connector Terminal (RSE ECU)
    G04954164Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE TERMINAL CHART

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    R30-1 (+B) - R30-12 (GND) B-W-B Battery Always 11 to 14 V
    R30-6 (ACC) - R30-12 (GND) L-W-B Ignition (ACC) Engine switch on (ACC) 11 to 14 V
    R31-6 (ADPI)-R30-12 (GND) L-W-B Ground Always Below 1 Ω
    R30-11 (GND1)-Body ground L - Body ground Ground Always Below 1 Ω
    R30-15 (SG1)-Body ground* Shielded - Body ground Ground Always Below 1 Ω
    R30-14 (HP1L)-R30-12 (GND)* W-W-B Sound signal (Output) RSE system is playing (Headphone) A waveform synchronized with sound is output
    R30-13 (HP1R)-R30-12 (GND)* B-W-B Sound signal (Output) RSE system is playing (Headphone) A waveform synchronized with sound is output
    R31-11 (SLDE)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R31-9 (TVL+)-R30-12 (GND) B-W-B Sound signal External device system is playing (At time of VTR jack use) A waveform synchronized with sound is output
    R31-7 (TVR+)-R30-12 (GND) W-W-B Sound signal External device system is playing (At time of VTR jack use) A waveform synchronized with sound is output
    R30-5 (NTS3) - R30-12 (GND) B-W-B Display signal Display is on (Television display assembly) Pulse generation
    R30-4 (SGN3) - Body ground W - Body ground Ground Always Below 1 Ω
    R30-19(SLDC)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R30-18(SG2)-Body ground* Shielded - Body ground Ground Always Below 1 Ω
    R30-17 (HP2L)-R30-12 (GND)* W-W-B Sound signal (Output) RSE system is playing (Headphone) A waveform synchronized with sound is output
    R30-16 (HP2R)-R30-12 (GND)* B-W-B Sound signal (Output) RSE system is playing (Headphone) A waveform synchronized with sound is output
    R31-4 (SGN4)-Body ground B - Body ground Ground Always Below 1 Ω
    R31-3 (NTS4)-R30-12 (GND) W-W-B Display signal External device system displayed (At time of VTR jack use) Pulse generation
    R32-13 (L6-)-R30-12 (GND) W-W-B Sound signal (Output) DVD system is playing A waveform synchronized with sound is output
    R32-14 (L6+)-R30-12 (GND) R-W-B Sound signal (Output) DVD system is playing A waveform synchronized with sound is output
    R32-15 (R6-)-R30-12 (GND) G-W-B Sound signal (Output) DVD system is playing A waveform synchronized with sound is output
    R32-16 (R6+)-R30-12 (GND) B-W-B Sound signal (Output) DVD system is playing A waveform synchronized with sound is output
    R32-17 (SLD6)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R32-18 (MUT6)-R3 (M2 (GND) Y-W-B Mute signal RSE system is playing → changing modes Above 3.5 V → Below 1 Ω
    R30-2 (+B1)-R30-12 (GND) B-W-B Battery Always 11 to 14 V
    R32-4 (L5-)-R30-12 (GND) W-W-B Sound signal (Input) RSE system is playing A waveform synchronized with sound is output
    R32-3 (L5+)-R30-12 (GND) B-W-B Sound signal (Input) RSE system is playing A waveform synchronized with sound is output
    R32-2 (R5-)-R30-12 (GND) G-W-B Sound signal (Input) RSE system is playing A waveform synchronized with sound is output
    R32-1 (R5+)-R30-12 (GND) R-W-B Sound signal (Input) RSE system is playing A waveform synchronized with sound is output
    R32-5 (SLD5) - Body ground Shielded - Body ground Ground Always Below 1 Ω
    R32-6 (MUT5)-R30-12 (GND) R-W-B Mute signal RSE system is playing → changing modes Above 3.5 V → Below 1 V
    R32-11 (L3-) - R30-12 (GND) G-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R32-10 (L3+)-R30-12 (GND) R-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R32-9 (R3-)-R30-12 (GND) W-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R32-8 (R3+)-R30-12 (GND) B-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R32-12 (SLD3)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R32-7 (MUT3) - R30-12 (GND) L-W-B Mute signal RSE system is playing → changing modes Above 3.5 V → Below 1 V
    R30-12 (GND)-Body ground W-B - Body ground Ground Always Below 1 Ω
    R30-7 (ACC1)-R30-12 (GND) W-W-B Ignition (ACC) Engine switch on (ACC) 11 to 14 V
    R32-19 (MUT4)-R30-12 (GND) Y-W-B Mute signal Disc player is playing → changing modes Above 3.5 V → Below 1 V
    R32-20 (L4-)-R30-12 (GND) W-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R32-21 (L4+) - R30-12 (GND) R-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R32-22 (R4-) - R30-12 (GND) G-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R32-23 (R4+)-R30-12 (GND) B-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R32-24 (SLD4) - Body ground Shielded - Body ground Ground Always Below 1 Ω
    R30-24 (NTS2) - R30-12 (GND) B-W-B DVD display signal Disc player is playing*1
    DVD system is displayed*2    		 Pulse generation
    R30-25 (SGN2) - Body ground W - Body ground Ground Always Below 1 Ω
    R30-26 (SLDB) - Body ground Shielded - Body ground Ground Always Below 1 Ω
    R33-14 (CNT5)-R30-12 (GND) L-W-B Multi-display controller signal input 5 control signal RSE system is playing Above 3.5 V → Below 1 V
    R33-9 (ADPO) - R30-12 (GND) L-W-B Ground Always Below 1 Ω
    R33-2 (L1-)-R30-12 (GND) W-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R33-3 (L1+)-R30-12 (GND) R-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R33-4 (R1-)-R30-12 (GND) G-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R33-5 (R1+)-R30-12 (GND) B-W-B Sound signal (Output) RSE system is playing A waveform synchronized with sound is output
    R33-1 (SLD1)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R33-6 (MUT1)-R30-12 (GND) L-W-B Mute signal RSE system is playing → changing modes Above 3.5 V → Below 1 V
    HINT:
    *: w/ Disc player
  2. CHECK TELEVISION DISPLAY ASSEMBLY 
    Fig 2: Identifying Television Display Assembly Connector Terminal
    G04953873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE TERMINAL CHART

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    R19-16(GND)-Body ground L - Body ground Ground Always Below 1 Ω
    R19-7(SLD1)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R19-3(R1+)-R19-16 (GND) B-L Sound signal (Input) RSE system is sounding (Headphone) A waveform synchronized with sound is output
    R19-4(R1-)-R19-16 (GND) G-L Sound signal (Input) RSE system is sounding (Headphone) A waveform synchronized with sound is output
    R19-5(L1+)-R19-16 (GND) R-L Sound signal (Input) RSE system is sounding (Headphone) A waveform synchronized with sound is output
    R19-6(L1-)-R19-16 (GND) W-L Sound signal (Input) RSE system is sounding (Headphone) A waveform synchronized with sound is output
    R19-29(ACC)-R19-16 (GND) W-L Ignition (ACC) Engine switch on (ACC) 11 to 14 V
    R19-14(+B)-R19-16 (GND) B-L Battery Always 11 to 14 V
    R19-19(TX1+)-R19-16 (GND) Y-L AVC-LAN communication signal Engine switch on (ACC) 2 to 3V
    R19-20(TX1-)-R19-16 (GND) B-L AVC-LAN communication signal Engine switch on (ACC) 2 to 3V
    R19-8(SLD)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R19-10(SGN1)-Body ground W - Body ground Ground Always Below 1 Ω
    R19-9(NTSC)-R19-16 (GND) B-L Display signal Television display is displayed Pulse generation
    R19-11 (ADPG)-R19-16 (GND) L-L Ground Always Below 1 Ω
    R19-23(MUT1)-R19-16 (GND) L-L Mute signal RSE system is playing → changing modes Above 3.5 V → Below 1 V
    R19-28(CNT5)-R19-16 (GND) L-L Multi-display controller signal input 5 control signal RSE system is playing Above 3.5 V → Below 1 V
    R50-1 (GVIF)-R19-16 (GND)*1 B-L Display image signal - -
    R51-1 (GVIF)-R19-16 (GND)*1 B-L Display image signal - -
    HINT:
    *1: w/Advanced Parking Guidance System
    *2: w/o Advanced Parking Guidance System
    1. Using an oscilloscope, check the waveform.
      Fig 3: Identifying Signal Waveform 1
      G04948878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Waveform 1 (reference) 

      WAVEFORM 1 (REFERENCE) CHART

      Item Content
      Terminal No. (Symbols) R19-9 (NTSC) - Body ground
      Tool Setting 200mV/DIV., 1O μs/DIV.
      Condition DVD displayed on television display
  3. CHECK DISC PLAYER 
    Fig 4: Identifying Disc Player Connector Terminal
    G04953875Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE TERMINAL CHART

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    R16-5(SLD2)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R16-6(SGND)-Body ground W - Body ground Ground Always Below 1 Ω
    R16-7 (NTSC)-R16-24 (GND) B-W-B Display signal (Output) DVD image is playing Pulse generation
    R16-9(SLD)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R16-10(R+)-R16-24 (GND) B-W-B Sound signal (Output) Disc player is playing A waveform synchronized with sound is output
    R16-11 (R-)-R16-24 (GND) G-W-B Sound signal (Output) Disc player is playing A waveform synchronized with sound is output
    R16-12(L+)-R16-24 (GND) R-W-B Sound signal (Output) Disc player is playing A waveform synchronized with sound is output
    R16-13(L-)-R16-24 (GND) W-W-B Sound signal (Output) Disc player is playing A waveform synchronized with sound is output
    R16-14(MUTE)-R16-24 (GND) Y - W-B Mute signal Disc player is playing → changing modes Above 3.5 V → Below 1 V
    R16-19(SLD1)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R16-20 (R2+)-R16-24 (GND) B-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R16-21 (R2-)-R16-24 (GND) G-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R16-22 (L2+)-R16-24 (GND) R-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R16-23 (L2-)-R16-24 (GND) W-W-B Sound signal (Input) Disc player is playing A waveform synchronized with sound is output
    R16-8 (MUT2)-R16-24 (GND) Y-W-B Mute signal Disc player is playing → changing modes Above 3.5 V → Below 1 V
    R16-24 (GND)-Body ground W-B - Body ground Ground Always Below 1 Ω
    R16-25(TX+)-R16-24 (GND) Y-W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3V
    R16-26 (TX-)-R16-24 (GND) BR - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3V
    R16-27 (ACC)-R16-24 (GND) L-W-B Ignition (ACC) Engine switch on (ACC) 11 to 14 V
    R16-28 (+B)-R16-24 (GND) B-W-B Battery Always 11 to 14 V
    R16-18 (SGN2)-R16-24 (GND) W-W-B Ground Always Below 1 Ω
    R16-4 (NTS1)-R16-24 (GND) B-W-B Display signal (Input) DVD image is playing Pulse generation
    R16-15 (HP2R)-R16-24 (GND) B-W-B Sound signal (Input) External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    R16-16 (HP2L)-R16-24 (GND) W-W-B Sound signal (Input) External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    R16-17 (SGN2)-Body ground Shielded - Body ground Ground Always Below 1 Ω
    R16-1 (HP1R)-R16-24 (GND) B-W-B Sound signal (Input) External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    R16-2 (HP1L)-R16-24 (GND) W-W-B Sound signal (Input) External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    R16-3 (SGN1)-Body ground Shielded - Body ground Ground Always Below 1 Ω
  4. CHECK VTR TERMINAL 
    Fig 5: Identifying VTR Terminal Connector Terminal
    G04953876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE TERMINAL CHART

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    L78-1 (VAR+) - Body ground*1 W - Body ground External audio right sound output signal External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    L78-2 (VAL+) - Body ground*1 B - Body ground External audio left sound output signal External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    L78-3 (VA-) - Body ground*1 Shielded - Body ground Ground Always Below 1 Ω
    L78-8 (ADPG) - Body ground*1 L - Body ground Ground Always Below 1 Ω
    L78-5 (W+) - Body ground*1 W - Body ground Display signal VTR is displayed Pulse generation
    L78-6 (W-) - Body ground*1 B - Body ground Ground Always Below 1 Ω
    L78-7 (SG) - Body ground*1 Shielded - Body ground Ground Always Below 1 Ω
    Y3-1 (VAR+) - Body ground*2 W - Body ground External audio right sound output signal External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    Y3-2 (VAL+) - Body ground*2 B - Body ground External audio left sound output signal External device system sounding (At time of VTR jack use) A waveform synchronized with sound is output
    Y3-3 (VA-) - Body ground*2 Shielded - Body ground Ground Always Below 1 Ω
    Y3-8 (ADPG) - Body ground*2 L - Body ground Ground Always Below 1 Ω
    Y3-5 (W+) - Body ground*2 W - Body ground Display signal VTR is displayed Pulse generation
    Y3-6 (W-) - Body ground*2 B - Body ground Ground Always Below 1 Ω
    Y3-7 (SG) - Body ground*2 Shielded - Body ground Ground Always Below 1 Ω
    HINT:
    *1: w/Ottoman
    *2: w/o Ottoman
  5. CHECK RADIO RECEIVER (See  TERMINALS OF ECU   ) 
  6. CHECK MULTI-DISPLAY (See  TERMINALS OF ECU   ) 
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