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


  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    A01EY2GE15
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specification
    I152-1 (FR+) - I152-7 (GND1) LG - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I152-2 (FL+) - I152-7 (GND1) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I152-3 (ACC1) - I152-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    I152-4 (+B1) - I152-7 (GND1) L-Y - BR Power source (+B) Always 11 to 14 V
    I152-5 (FR-) - I152-7 (GND1) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I152-6 (FL-) - I152-7 (GND1) V - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I152-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    I152-10 (ILL+) - I152-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    I153-1 (RR+) - I152-7 (GND1) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I153-2 (RL+) - I152-7 (GND1) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I153-3 (RR-) - I152-7 (GND1) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I153-6 (RL-) - I152-7 (GND1) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I155-1 (IG) - I152-7 (GND1) Y - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    I155-2 (REV) - I152-7 (GND1) L - BR Reverse signal

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

    		-
    I155-4 (MACC) - I152-7 (GND1) B - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    I155-5 (MIN+) - I152-7 (GND1) W - BR Microphone voice signal

    See "Microphone & Voice Recognition Check" in Operation Check Click here

    		-
    I155-6 (SNS2) - I152-7 (GND1) LG - BR Microphone connection detection signal Always Below 1 V
    I155-7 (TX1+)*1 GR AVC-LAN communication signal - -
    I155-8 (TX1-)*1 Y AVC-LAN communication signal - -
    I155-9 (CANH) R CAN communication signal - -
    I155-10 (CANL) W CAN communication signal - -
    I155-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I155-17 (SPD) - I152-7 (GND1) V - BR Vehicle speed signal

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

    		-
    I155-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I155-19 (MIN-) - I152-7 (GND1) R - BR Microphone voice signal

    See "Microphone & Voice Recognition Check" in Operation Check Click here

    		-
    I155-21 (SW1) - I155-23 (SWG) B - P Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Up switch pushed 0.27 to 0.35 V
    Down switch pushed 0.86 to 1.03 V
    Volume+ switch pushed 1.51 to 1.79 V
    Volume- switch pushed 2.22 to 2.66 V
    I155-22 (SW2) - I155-23 (SWG) Y - P Steering pad switch signal No switch pushed 2.97 to 3.56 V
    MODE/HOLD 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
    I155-23 (SWG) - I152-7 (GND1) P - BR Steering pad switch ground Always Below 1 V
    I155-24 (SW3) - I155-23 (SWG) SB - P Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Enter switch pushed 0.27 to 0.35 V
    Back switch pushed 0.86 to 1.03 V
    Right switch pushed 1.51 to 1.79 V
    Left switch pushed 2.22 to 2.66 V
    I155-25 (ADPG) - I152-7 (GND1) G - BR External device connection detection signal External device connected Below 1 V
    I155-26 (VAR+) - I155-27 (VA-) B - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I155-27 (VA-) - I152-7 (GND1) W - BR Ground Always Below 1 V
    I155-28 (VAL+) - I155-27 (VA-) R - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I154-6 (PKB) - I152-7 (GND1) R - BR Parking brake signal

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

    		-
    I154-7 (CA+) - I152-7 (GND1)*2 B - BR Television camera power supply

    Ignition switch ON

    Shift lever in R

    		 5.5 to 7.05 V
    I154-8 (V+) - I152-7 (GND1)*2 W - BR Video signal

    Ignition switch ON

    Shift lever in R

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Ignition switch ON

    Shift lever in R

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)
    I154-15 (CGND) - Body ground*2 Shield - Body ground Shield ground Always Below 1 V
    I154-16 (V-) - I152-7 (GND1)*2 R - BR Ground Always Below 1 V

    I156-1 (USV1)*3

    I156-1 (UPO)*4

    		 - Power source - -

    I156-2 (US1-)*3

    I156-2 (UDO-)*4

    		 - Data signal - -

    I156-3 (US1+)*3

    I156-3 (UDO+)*4

    		 - Data signal - -

    I156-4 (UGD1)*3

    I156-4 (UPSG)*4

    		 - Ground - -
    I156-5 (USG1) - Shield ground - -
    RA-5 (ANT+) - I152-7 (GND1) R - BR Power source of antenna

    Ignition switch ACC

    Radio switch on and FM or AM selected

    		 11 to 14 V

    • *1: w/ Cooler Control Switch Assembly

    • *2: w/ Rear View Monitor System

    • *3: for LHD

    • *4: for RHD


    1. A01EXUEE20
      Text in Illustration
      *a Waveform 1 (camera lens not covered, displaying an image)
      *b Waveform 2 (camera lens covered, blacking out the screen)
      *c Synchronization Signal
      *d Video Waveform

      Reference (Oscilloscope waveform):


      1. Waveform 1 (camera lens not covered, displaying an image)

        Item Content
        Measurement terminal I154-8 (V+) - I152-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./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 (camera lens covered, blacking out the screen)

        Item Content
        Measurement terminal I154-8 (V+) - I152-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, Shift lever in R

        Tech Tips

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

  2. COOLER CONTROL SWITCH ASSEMBLY

    A01EYT2E02

    Terminal No.

    (Symbol)

    		 Wiring Color Terminal Description Condition Specified Condition
    X1-1 (+B) - X1-16 (GND) R - W-B Power source (+B) Always 11 to 14 V
    X1-5 (TX-) Y AVC-LAN communication signal - -
    X1-6 (ACC) - X1-16 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    X1-7 (IG+) - X1-16 (GND) V - W-B Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    X1-15 (TX+) GR AVC-LAN communication signal - -
    X1-16 (GND) - Body ground W-B - Body ground Ground for cooler control switch assembly Always Below 1 V