AUDIO AND VISUAL SYSTEM (for Radio and Display Type) TERMINALS OF ECU


  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    A00OUTSE03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    D125-1 (FR+) - D125-7 (GND1) LG - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound is output
    D125-2 (FL+) - D125-7 (GND1) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound is output
    D125-3 (ACC1) - D125-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    D125-4 (+B1) - D125-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    D125-5 (FR-) - D125-7 (GND1) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound is output
    D125-6 (FL-) - D125-7 (GND1) V - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound is output
    D125-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 Ω
    D125-9 (AMP) - D125-7 (GND1)*1 BR - BR Power source of stereo component amplifier Audio system playing 11 to 14 V
    D125-10 (ILL+) - D125-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    D126-1 (RR+) - D125-7 (GND1) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound is output
    D126-2 (RL+) - D125-7 (GND1) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound is output
    D126-3 (RR-) - D125-7 (GND1) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound is output
    D126-6 (RL-) - D125-7 (GND1) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound is output
    D124-1 (IG) - D125-7 (GND1) G - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    D124-2 (REV) - D125-7 (GND1) R - BR Reverse signal

    See "Vehicle Signal Check Mode" in Operation Check Click here

    		-
    D124-4 (MACC) - D125-7 (GND1) B - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    D124-5 (MIN+) - D125-7 (GND1) W - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    		-
    D124-6 (SNS2) - D125-7 (GND1) L - BR Microphone connection detection signal Always Below 1 V
    D124-9 (CANH) BE CAN communication signal - -
    D124-10 (CANL) W CAN communication signal - -
    D124-11 (AGND) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    D124-17 (SPD) - D125-7 (GND1) Y - BR Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check Click here

    		-
    D124-18 (SGND) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    D124-19 (MIN-) - D125-7 (GND1) R - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    		-
    D124-20 (LRHD) - Body ground*2 W-B -Body ground Ground Always Below 1 Ω
    D124-21 (SW1) - D125-7 (GND1) P - BR Steering pad switch signal Steering pad switch not operated 2.97 to 3.56 V
    SEEK+ switch pushed 0.27 to 0.35 V
    SEEK- switch pushed 0.86 to 1.03 V
    VOL+ switch pushed 1.51 to 1.79 V
    VOL- switch pushed 2.22 to 2.66 V
    D124-22 (SW2) - D125-7 (GND1) SB - BR Steering pad switch signal Steering pad switch not operated 2.97 to 3.56 V
    MODE switch pushed 0.27 to 0.35 V
    On hook switch pushed 0.86 to 1.03 V
    Off hook switch pushed 1.51 to 1.79 V
    Voice switch pushed 2.22 to 2.66 V
    D124-23 (SWG) - D125-7 (GND1) V - BR Steering pad switch ground Always Below 1 Ω
    D124-25 (ADPG) - D125-7 (GND1) L - BR External device connection detection signal External device connected Below 1 V
    D124-26 (VAR+) - D125-7 (GND1) R - BR Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sound is output
    D124-27 (VA-) - D125-7 (GND1) W - BR Ground Always Below 1 Ω
    D124-28 (VAL+) - D125-7 (GND1) B - BR Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sound is output
    D123-7 (CA+) - D125-7 (GND1)*3 B - BR Television camera power supply

    Ignition switch ON

    Shift lever in R

    		 5.5 to 7.05 V
    D123-8 (V+) - D125-7 (GND1)*3 R - BR Television camera image signal

    Ignition switch ON

    Shift lever in R

    Pulse generation

    (Refer to waveform 1)

    Ignition switch ON

    Shift lever in R, screen blacked out by covering camera lens

    Pulse generation

    (Refer to waveform 2)
    D123-15 (CGND) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    D123-16 (V-) - D125-7 (GND1) W - BR Ground Always Below 1 Ω
    D128-1 - D128-4 # - # Battery Always 4.5 to 5.5 V
    D128-2 - D128-4 # - # Data signal USB device or "iPod" connected -
    D128-3 - D128-4 # - # Data signal USB device or "iPod" connected -
    D128-4 - Body ground # - # Ground Always Below 1 Ω
    RA-5 (ANT+) - Body ground # - Body ground Power source of antenna

    Ignition switch ACC

    Radio switch on and FM or AM selected

    		 11 to 14 V

    • #: There is no wire color information.

    • *1: for 11 Speakers

    • *2: for RHD

    • *3: w/ Rear View Monitor System


    1. A00ORB6E28
      Text in Illustration
      *a Waveform 1
      *b Waveform 2
      *c Synchronization Signal
      *d Video Waveform

      Reference (Oscilloscope waveform):


      1. Waveform 1

        Item Content
        Measurement terminal D123-8 (V+) - D125-7 (GND1)
        Measurement setting 0.2 V/DIV., 50 μs./DIV.
        Condition Ignition switch ON, shift lever in R

        Tech Tips

        The video waveform changes according to the image sent by the television camera assembly.

      2. Waveform 2

        Item Content
        Measurement terminal D123-8 (V+) - D125-7 (GND1)
        Measurement setting 0.2 V/DIV., 50 μs./DIV.
        Condition Ignition switch ON, shift lever in R, screen blacked out by covering camera lens

        Tech Tips

        The video waveform changes according to the image sent by the rear television camera assembly.

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 11 Speakers)

    A00ORW2E01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H20-1 (RL+) - H20-10 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound is output
    H20-2 (RR+) - H20-10 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound is output
    H20-3 (WFR+) - H20-10 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound is output
    H20-4 (WFL+) - H20-10 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound is output
    H20-5 (+B) - H20-10 (GND) G - W-B Power source (+B) Always 11 to 14 V
    H20-6 (RL-) - H20-10 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound is output
    H20-7 (RR-) - H20-10 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound is output
    H20-8 (WFR-) - H20-10 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound is output
    H20-9 (AMP+) - Body ground BR - Body ground Power source of stereo component amplifier Audio system playing 11 to 14 V
    H20-10 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    H20-11 (WFL-) - H20-10 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound is output
    H20-12 (ACC) - H20-10 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V