NAVIGATION SYSTEM TERMINALS OF ECU


  1. NAVIGATION ECU SUB-ASSEMBLY

    A01ET2EE01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I64-1 (FR+) - I64-7 (GND1) R - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I64-2 (FL+) - I64-7 (GND1) B- BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I64-3 (ACC1) - I64-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    I64-4 (+B1) - I64-7 (GND1) L-Y - BR Power source (+B) Always 11 to 14 V
    I64-5 (FR-) - I64-7 (GND1) G - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I64-6 (FL-) - I64-7 (GND1) W - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I64-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    I64-10 (ILL+) - I64-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    I65-2 (RL+) - I64-7 (GND1) R - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I65-6 (RL-) - I64-7 (GND1) G - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I66-6 (PKB) - I64-7 (GND1) R - BR Parking brake signal

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

    		-
    I66-7 (CA+) - I64-7 (GND1) B - BR Television camera power supply

    Ignition switch ON

    Shift lever in R

    		 5.5 to 7.05 V
    I66-8 (V+) - I64-7 (GND1) W - BR Video signal

    Ignition switch ON

    Shift lever in R

    Camera lens is not covered, displaying an image

    		 Pulse generation (Refer to waveform 1)

    Ignition switch ON

    Shift lever in R

    Camera lens is covered, blacking out screen

    		 Pulse generation (Refer to waveform 2)
    I66-15 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I66-16 (V-) - I64-7 (GND1) R - BR Ground Always Below 1 V
    I67-1 (IG) - I64-7 (GND1) Y - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    I67-2 (REV) - I64-7 (GND1) L - BR Reverse signal

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

    		-
    I67-4 (MACC) - I64-7 (GND1) B - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    I67-5 (MIN+) - I64-7 (GND1) W - BR Microphone voice signal

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

    		-
    I67-6 (SNS2) - I64-7 (GND1) LG - BR Microphone connection detection signal Always Below 1 V
    I67-7 (TX1+) GR AVC-LAN communication signal - -
    I67-8 (TX1-) G AVC-LAN communication signal - -
    I67-9 (CANH) R CAN communication signal - -
    I67-10 (CANL) W CAN communication signal - -
    I67-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I67-17 (SPD) - I64-7 (GND1) V - BR Vehicle speed signal from combination meter assembly

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

    		-
    I67-18 (SGND) - I64-7 (GND1) Shield - BR Shield ground Always Below 1 V
    I67-19 (MIN-) - Body ground R - Body ground Microphone voice signal

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

    		-
    I67-20 (MUT2) - I64-7 (GND1) L - BR Mute signal Audio system playing Above 3.5 V
    Audio system changing modes Below 1 V
    I67-21 (SW1) - I67-23 (SWG) B - P Steering pad switch signal No switch pushed 2.75 to 3.49 V
    Up switch pushed 0 to 0.3 V
    Down switch pushed 0.53 to 0.76 V
    Volume+ switch pushed 1.19 to 1.6 V
    Volume- switch pushed 1.95 to 2.54 V
    I67-22 (SW2) - I67-23 (SWG) Y - P Steering pad switch signal No switch pushed 2.75 to 3.49 V
    MODE/HOLD switch pushed 0 to 0.3 V
    On hook switch pushed 0.53 to 0.76 V
    Off hook switch pushed 1.19 to 1.6 V
    Voice switch pushed 1.95 to 2.54 V
    I67-23 (SWG) - Body ground P - Body ground Steering pad switch signal Always Below 1 V
    I67-24 (SW3) - I67-23 (SWG) SB - P Steering pad switch signal Steering pad switch not operated 2.75 to 3.49 V
    Enter switch pushed 0 to 0.3 V
    Back switch pushed 0.53 to 0.76 V
    Right switch pushed 1.19 to 1.6 V
    Left switch pushed 2.75 to 3.49 V
    I67-25 (ADPG) - I64-7 (GND1) G - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    I67-26 (VAR+) - I67-27 (VA-) B - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I67-27 (VA-) - I64-7 (GND1) W - BR Sound signal ground Always Below 1 V
    I67-28 (VAL+) - I67-27 (VA-) R - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I147-1 (USV1) - Power source - -
    I147-2 (US1-) - Data signal - -
    I147-3 (US1+) - Data signal - -
    I147-4 (UGD1) - Ground - -
    I147-5 (USG1) - Shield ground - -
    RA-5 (ANT) - I64-7 (GND1) R - BR Power source of antenna

    Ignition switch ON

    Radio switch on and AM or FM selected

    		 11 to 14 V

    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 is not covered, displaying an image)

        Item Content
        Measurement terminal I66-8 (V+) - I64-7 (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 is covered, blacking out the screen)

        Item Content
        Measurement terminal I66-8 (V+) - I64-7 (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. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A01EV6IE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    I68-1 (+B) - I68-3 (GND) GR - W-B Power source (+B) Always 11 to 14 V
    I68-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    I68-8 (WF1+) - I68-3 (GND) P - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    I68-9 (SL+) - I68-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I68-10 (SR+) - I68-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I68-11 (FL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-12 (TWR+) - I68-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I68-13 (CTR+) - I68-3 (GND) B - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    I68-14 (TWL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-15 (FR+) - I68-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I68-23 (WF1-) - I68-3 (GND) Y - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    I68-24 (SL-) - I68-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I68-25 (SR-) - I68-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I68-26 (FL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-27 (TWR-) - I68-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I68-28 (CTR-) - I68-3 (GND) G - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    I68-29 (TWL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-30 (FR-) - I68-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I69-1 (MUTE) - I68-3 (GND) L - W-B Mute signal Audio system playing Above 3.5 V
    Audio system changing modes Below 1 V
    I69-2 (L-) - I68-3 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I69-3 (L+) - I68-3 (GND) B - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I69-4 (R-) - I68-3 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I69-5 (R+) - I68-3 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I69-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I69-7 (TX-) G AVC-LAN communication signal - -
    I69-8 (TX+) GR AVC-LAN communication signal - -
    I69-11 (SPD) - I68-3 (GND) V - W-B Vehicle speed signal from combination meter assembly

    Ignition switch ON

    Wheel being rotated

    		 Pulse generation
    I69-12 (ACC) - I68-3 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    I69-14 (IL1-) - I68-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I69-15 (IL1+) - I68-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I69-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I69-19 (TXD-) Y AVC-LAN communication signal - -
    I69-20 (TXD+) GR AVC-LAN communication signal - -

  3. COOLER CONTROL SWITCH ASSEMBLY

    A01EYT2E01

    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