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


  1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

    B00202BE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F122-1 (RR+) - F120-7 (GND1)*1 LA-R - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    F122-2 (RL+) - F120-7 (GND1)

    LA-B - W-B*1

    B - W-B*2

    		 Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    F122-3 (RR-) - F120-7 (GND1)*1 LA-W - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    F122-5 (ILL-) - F120-7 (GND1) W - W-B Ground Always Below 1 V
    F122-6 (RL-) - F120-7 (GND1)

    LA-L - W-B*1

    W - W-B*2

    		 Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    F120-1 (FR+) - F120-7 (GND1)

    LA-W - W-B*1

    G - W-B*2

    		 Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    F120-2 (FL+) - F120-7 (GND1)

    LA-B - W-B*1

    L - W-B*2

    		 Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    F120-3 (ACC1) - F120-7 (GND1) BE - W-B Power source (ACC) Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    F120-4 (+B1) - F120-7 (GND1) V - W-B Power source Always 11 to 14 V
    F120-5 (FR-) - F120-7 (GND1)

    LA-B - W-B*1

    R - W-B*2

    		 Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    F120-6 (FL-) - F120-7 (GND1)

    LA-W - W-B*1

    W - W-B*2

    		 Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    F120-7 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
    F120-10 (ILL+) - F120-7 (GND1) G - W-B Illumination signal Engine switch on (IG), light control switch off → tail or head position Below 1 V → 11 to 14 V
    F118-3 (CNH1) W Local bus communication signal - -
    F118-4 (CNL1) G Local bus communication signal - -
    F118-7 (TX3+)*2 V AVC-LAN communication signal - -
    F118-8 (TX3-)*2 P AVC-LAN communication signal - -
    F124-1 (IG) - F120-7 (GND1) B - W-B Power source (IG) Engine switch on (IG) 11 to 14 V
    Engine switch off Below 1 V
    F124-2 (REV) - F120-7 (GND1) L - W-B Reverse signal

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

    		-
    F124-4 (MACC) - F120-7 (GND1) R - W-B Telephone microphone assembly power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    F124-5 (MIN+) - F120-7 (GND1) W - W-B Microphone voice signal

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

    		-
    F124-6 (SNS2) - F120-7 (GND1) L - W-B Telephone microphone assembly detection signal Always Below 1 V
    F124-7 (TX1+)*2 V AVC-LAN communication signal - -
    F124-8 (TX1-)*2 P AVC-LAN communication signal - -
    F124-9 (CANH) G CAN communication signal - -
    F124-10 (CANL) GR CAN communication signal - -
    F124-11 (AGND) - Body ground Shielded - Body ground Shield ground Always Below 1 V
    F124-12 (SG) - Body ground Shielded - Body ground Shield ground Always Below 1 V
    F124-13 (VV+) - F120-7 (GND1) R - W-B Video signal External device playing (When stereo jack used) A waveform synchronized with voice signals is output
    F124-14 (VV-) - F120-7 (GND1) L - W-B Video signal External device playing (When stereo jack used) A waveform synchronized with voice signals is output
    F124-15 (PKB) - F120-7 (GND1) GR - W-B Parking brake switch signal

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

    		-
    F124-16 (MUT1) - F120-7 (GND1)*2 W - W-B Mute signal Engine switch on (ACC), audio system playing 2.0 V or higher
    Audio system changing modes Below 1 V
    F124-17 (SPD) - F120-7 (GND1) L - W-B Speed signal from combination meter assembly

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

    		-
    F124-18 (SGND) - Body ground Shielded - Body ground Shield ground Always Below 1 V
    F124-19 (MIN-) - Body ground B - Body ground Microphone voice signal

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

    		-
    F124-21 (SW1) - F124-23 (SWG) L - BR Steering pad switch signal Steering pad switch not operated 4.44 to 5.43 V
    Seek+ switch pushed 0.45 to 0.65 V
    Seek- switch pushed 1.19 to 1.49 V
    Vol+ switch pushed 2.09 to 2.54 V
    Vol- switch pushed 3.2 to 3.88 V
    F124-22 (SW2) - F124-23 (SWG) P - BR Steering pad switch signal Steering pad switch not operated 4.44 to 5.43 V
    MODE switch pushed 0.45 to 0.65 V
    On hook switch pushed 1.19 to 1.49 V
    Off hook switch pushed 2.09 to 2.54 V
    Voice switch pushed 3.2 to 3.88 V
    F124-23 (SWG) - Body ground BR - Body ground Steering pad switch signal Always Below 1 V
    F124-25 (ADPG) - F120-7 (GND1) P - W-B External device connector detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    F124-26 (VAR+) - H12-27 (VA-) W - R Sound signal (Right) AUX audio device playing (When stereo jack adapter used) A waveform synchronized with voice signals is output
    F124-27 (VA-) - F120-7 (GND1) R - W-B Sound signal ground Always Below 1 V
    F124-28 (VAL+) - H124-27 (VA-) B - R Sound signal (Left) AUX audio device playing (When stereo jack adapter used) A waveform synchronized with voice signals is output
    A-1 (USV1) # Power source - -
    A-2 (US1-) # Data signal - -
    A-3 (US1+) # Data signal - -
    A-4 (UGD1) # Ground - -
    A-5 (USG1) Shielded Shield ground - -

    • *1: for 6 Speakers

    • *2: for 9 Speakers

    • #: There is no wire color information

  2. CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY (for 9 Speakers)

    B001XMJE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    F74-1 (+B) - F74-3 (GND) SB - W-B Power source Always 11 to 14 V
    F74-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    F74-4 (WFL+) - F74-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    F74-5 (WFR+) - F74-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with voice signals is output
    F74-7 (CTR+) - F74-3 (GND) W - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with voice signals is output
    F74-12 (FL+) - F74-3 (GND) B - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    F74-13 (FR+) - F74-3 (GND) B - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    F74-14 (RL+) - F74-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    F74-15 (RR+) - F74-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    F74-16 (+B2) - F74-3 (GND) BE - W-B Power source Always 11 to 14 V
    F74-18 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
    F74-19 (WFL-) - F74-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    F74-20 (WFR-) - F74-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with voice signals is output
    F74-22 (CTR-) - F74-3 (GND) B - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    F74-27 (FL-) - F74-3 (GND) W - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    F74-28 (FR-) - F74-3 (GND) W - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    F74-29 (RL-) - F74-3 (GND) L - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    F74-30 (RR-) - F74-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    F18-1 (MUTE) - F74-3 (GND) W - W-B Mute signal Engine switch on (ACC), audio system playing 2.0 V or higher
    Audio system changing modes Below 1 V
    F18-2 (L-) - F74-3 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    F18-3 (L+) - F74-3 (GND) L - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    F18-4 (R-) - F74-3 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    F18-5 (R+) - F74-3 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    F18-6 (SLD) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    F18-7 (TX-) P AVC-LAN communication signal - -
    F18-8 (TX+) V AVC-LAN communication signal - -
    F18-11 (SPD) - F74-3 (GND) L - W-B Vehicle speed signal

    Engine switch on (IG)

    Wheel being rotated

    		 Pulse generation
    F18-12 (ACC) - F74-3 (GND) BE - W-B Illumination power source (ACC) Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    F18-14 (Il1-) - F74-3 (GND) W - W-B Voice signal Voice guidance sounding A waveform synchronized with sound signals is output
    F18-15 (Il1+) - F74-3 (GND) B - W-B Voice signal Voice guidance sounding A waveform synchronized with sound signals is output
    F18-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 Ω