NAVIGATION SYSTEM (for Navigation Receiver Type) TERMINALS OF ECU

  1. NAVIGATION ECU SUB-ASSEMBLY

    A011UN7E01
    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
    I65-5 (ILL-) - I64-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    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)*1 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)*1 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)
    I66-15 (CGND) - Body ground*1 Shield - Body ground Shield ground Always Below 1 V
    I66-16 (V-) - I64-7 (GND1)*1 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)*2 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*2, R*3 - 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*2, G*3 - 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 2.97 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
    I67-22 (SW2) - I67-23 (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
    Voice switch pushed 2.22 to 2.66 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 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
    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 (UPO) - Power source - -
    I147-2 (UDO-) - Data signal - -
    I147-3 (UDO+) - Data signal - -
    I147-4 (USEG) - Ground - -
    I147-5 (UESS) - Shield ground - -
    RA-5 (ANT) - I64-7 (GND1) B - BR Power source of antenna

    Ignition switch ON

    Radio switch on and AM or FM selected

    		 11 to 14 V

    • *1: w/ Rear View Monitor System

    • *2: w/o Manual (SOS) Switch

    • *3: w/ Manual (SOS) Switch

    1. Reference (Oscilloscope waveform):

      A011TH5E20

      1. Waveform 1 (camera lens 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 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.

        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

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A011TB4E02
    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) Y*1, LG*2 - 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) P*1, L*2 - 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 (II1-) - I68-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I69-15 (II1+) - 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
    I69-24 (TMUT) - I68-3 (GND)*1 R - W-B Mute signal Audio system playing Above 3.5 V
    Emergency call mode Below 1 V

    • *1: w/ Manual (SOS) Switch

    • *2: w/o Manual (SOS) Switch