NAVIGATION SYSTEM TERMINALS OF ECU

Tech Tips

Check from the rear of the connector while it is connected to the components.


  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    B0083E7E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K4-1 (FR+) - K3-1 (GND1) LA-LG - BR Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    K4-2 (FL+) - K3-1 (GND1) LA-B - BR Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    K4-3 (RL+) - K3-1 (GND1) LA-G - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    K4-4 (RR+) - K3-1 (GND1) LA-R - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    K4-6 (FR-) - K3-1 (GND1) LA-L - BR Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    K4-7 (FL-) - K3-1 (GND1) LA-R - BR Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    K4-8 (RL-) - K3-1 (GND1) LA-GR - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    K4-9 (RR-) - K3-1 (GND1) LA-G - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    K3-1 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    K3-4 (+B1) - K3-1 (GND1) LG - BR Power source (+B) Always 11 to 14 V
    K3-5 (TX1+)*1 L AVC-LAN communication signal - -
    K3-6 (TX1-)*1 GR AVC-LAN communication signal - -
    K3-10 (AGND) - Body ground Shielded - Body ground Shield ground Always Below 1 V
    K3-11 (VAL+) - K3-13 (VA-) B - R Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    K3-12 (VAR+) - K3-13 (VA-) W - R Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    K3-13 (VA-) - K3-1 (GND1) R - BR Ground Always Below 1 V
    K3-14 (ADPG) - K3-1 (GND1) L - BR External device connection detection signal External device connected Below 1 V
    External device not connected 1.1 to 1.9 V
    K3-15 (ACC1) - K3-1 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    K3-21 (SW1) - K3-24 (SWG) W - L Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Seek+ switch pushed 0.27 to 0.35 V
    Seek- 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
    K3-22 (SW2) - K3-24 (SWG) LG - L Steering pad switch signal No switch pushed 2.97 to 3.56 V
    MODE switch pushed 0.27 to 0.35 V
    On/off hook switch pushed 1.51 to 1.79 V
    Voice switch pushed 2.22 to 2.66 V
    K3-24 (SWG) - K3-1 (GND1) L - BR Steering pad switch ground Always Below 1 V
    K3-27 (SPD) - K3-1 (GND1) LG - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    K2-5 (CNH1) L Local bus communication signal - -
    K2-6 (CNL1) W Local bus communication signal - -
    K2-13 (CANH) B CAN communication signal - -
    K2-14 (CANL) W CAN communication signal - -
    K2-15 (ILL+) - K3-1 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    K2-16 (ILL-) - K3-1 (GND1) BE - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    K2-19 (IG) - K3-1 (GND1) W - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    K2-20 (PKB) - K3-1 (GND1) B - BR Parking brake signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    K2-21 (MIN+) - K3-1 (GND1) W - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    K2-22 (MIN-) - K3-1 (GND1) R - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    K2-23 (MACC) - K3-1 (GND1) B - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    K2-24 (SGND) - Body ground Shielded - Body ground Shield ground Always Below 1 V
    K2-25 (SNS2) - K3-1 (GND1) BE - BR Microphone connection detection signal Always Below 1 V
    K135-1 (USV1) - Power source - -
    K135-2 (US1-) - Data signal - -
    K135-3 (US1+) - Data signal - -
    K135-4 (UGD1) - Ground - -
    K135-5 (USG1) Shielded Shield ground - -
    r3-1 (US4+) - USB communication line - -
    r3-2 (US4-) - USB communication line - -
    r3-3 (UGD4) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    r2-1 (GV2-) - Video signal (Digital) - -
    r2-2 (GV2+) - Video signal (Digital) - -
    r2-3 (GVG2) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    K1-7 (SUP) - K3-1 (GND1) B - BR Start up signal 20 seconds elapse after turning the ignition switch to ACC 11 to 14 V
    K1-19 (RST)*2 R - - -
    K1-22 (SI+) - K3-1 (GND1) SB - BR Voice signal Voice guidance sounding A waveform synchronized with sound is output
    K1-23 (SI-) - K3-1 (GND1) V - BR Voice signal Voice guidance sounding A waveform synchronized with sound is output
    K1-24 (SGND) - K3-1 (GND1) Shielded - BR Shield ground Always Below 1 Ω
    K1-25 (MCO+) - K1-26 (MCO-) W - B Microphone voice signal

    See "Check Microphone (DCU)" in Operation Check

    Click here

    		-
    K1-26 (MCO-) - K3-1 (GND1) B - BR Microphone voice signal

    See "Check Microphone (DCU)" in Operation Check

    Click here

    		-
    K1-28 (REV2) - K3-1 (GND1) W - BR Reverse signal Engine running, shift position not in R → in R 2 V or less → 11 to 14 V
    RA-5 (ANT+) - K3-1 (GND1) - - 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: It is connected, but not used

  2. NAVIGATION ECU

    B0083GJE01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K17-6 (VOI+) - K17-23 (GND) SB - W-B Voice signal Voice guidance sounding A waveform synchronized with sound is output
    K17-7 (VOI-) - K17-23 (GND) V - W-B Voice signal Voice guidance sounding A waveform synchronized with sound is output
    K17-8 (SLD1) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    K17-9 (SPD) - K17-23 (GND) BE - W-B Vehicle speed signal

    See "Check GPS and Vehicle Sensors" in Operation Check

    Click here

    		-
    K17-10 (+B) - K17-23 (GND) GR - W-B Power source (+B) Always 11 to 14 V
    K17-13 (MIC+) - K17-23 (GND) W - W-B Microphone voice signal

    See "Microphone Check (MEU)" in Operation Check

    Click here

    		-
    K17-14 (MIC-) - Body ground B - Body ground Microphone voice signal

    See "Microphone Check (MEU)" in Operation Check

    Click here

    		-
    K17-19 (REV2) - K17-23(GND) W - W-B Reverse signal Engine running, shift position not in R → in R 2 V or less → 11 to 14 V
    K17-21 (SUP) - K17-23 (GND) B - W-B Power source (ACC) 20 seconds elapse after turning the ignition switch to ACC 11 to 14 V
    K17-22 (RST)* R - - -
    K17-23 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    r1-1 (GVO-) - Video signal (Digital) - -
    r1-2 (GVO+) - Video signal (Digital) - -
    r1-3 (GVG1) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    r1-4 (US4+) - USB communication line - -
    r1-5 (US4-) - USB communication line - -
    r1-6 (UGD4) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω

    • *: It is connected, but not used

  3. COOLER CONTROL SWITCH ASSEMBLY (w/ Cooler Control Switch Assembly)

    B00872YN01

    Terminal No.

    (Symbol)

    		 Wiring Color Terminal Description Condition Specified Condition
    Z1-1 (ACC) - Z1-16 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    Z1-7 (TX+) B AVC-LAN communication signal - -
    Z1-8 (TX-) W AVC-LAN communication signal - -
    Z1-9 (+B) - Z1-16 (GND) R - W-B Power source (+B) Always 11 to 14 V
    Z1-10 (IG+) - Z1-16 (GND) L - W-B Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    Z1-16 (GND) - Body ground W-B - Body ground Ground Always Below 1 V

  4. COMBINATION METER ASSEMBLY

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  5. HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) (w/ Headup Display System)

    Click here

  6. SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

    Click here