AUDIO AND VISUAL SYSTEM (w/o Navigation System) TERMINALS OF ECU


  1. RADIO RECEIVER ASSEMBLY

    A0159J0E07
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    F1-1 (B) - F1-20 (GND) L - BR Battery Always 11 to 14 V
    F1-5 (ATX+) R AVC-LAN communication signal - -
    F1-7 (MUTE) - F1-20 (GND) B - BR MUTE signal Audio system playing mode Above 2.5 V
    Audio system changing mode Below 0.5 V
    F1-8 (R+) - F1-20 (GND) B - BR Sound signal (Right) Audio system playing mode A waveform synchronized with sounds is output
    F1-9 (L+) - F1-20 (GND) R - BR Sound signal (Left) Audio system playing mode A waveform synchronized with sounds is output
    F1-10 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F1-11 (ACC) - F1-20 (GND) GR - BR Accessory (ON) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    F1-15 (ATX-) W AVC-LAN communication signal - -
    F1-18 (R-) - F1-20 (GND) W - BR Sound signal (Right) Audio system playing mode A waveform synchronized with sounds is output
    F1-19 (L-) - F1-20 (GND) G - BR Sound signal (Left) Audio system playing mode A waveform synchronized with sounds is output
    F1-20 (GND) - Body ground BR - Body ground Ground Always Below 1 V
    F19-3 (SPD) - F1-20 (GND) V - BR Speed signal from combination meter assembly

    Engine switch on (IG)

    Drive wheels turned slowly

    		 Pulse generation
    F19-6 (SWG) - F1-20 (GND) W - BR Steering pad switch ground Always Below 1 V
    F19-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch not operated 3.28 to 3.5 V
    Seek+ switch pushed Below 0.8 V
    Seek- switch pushed 0.9 to 1.3 V
    Volume+ switch pushed 1.65 to 1.9 V
    Volume- switch pushed 2.45 to 2.6 V
    F19-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch not operated 3.28 to 3.5 V
    MODE switch pushed Below 0.8 V
    On hook switch pushed 0.9 to 1.3 V
    Off hook switch pushed 1.65 to 1.9 V
    Voice switch pushed 2.45 to 2.6 V
    F19-11 (IVO+) - F1-20 (GND) B - BR Voice signal "Bluetooth" handsfree voice signal received A waveform synchronized with sounds is output
    F19-12 (IVO-) - F1-20 (GND) W - BR Voice signal "Bluetooth" handsfree voice signal received A waveform synchronized with sounds is output
    F19-13 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F19-15 (ARI) - F1-20 (GND) W - BR Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    F19-16 (ASGN) - F1-20 (GND) R - BR Shield ground Always Below 1 V
    F19-17 (ALI ) - F1-20 (GND) B - BR Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    F19-18 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F19-19 (AUXI) - F1-20 (GND) R - BR External device connection detection signal External device connected Below 1 V
    F19-20 (ADIM) - F1-20 (GND) L - BR Auto dimmer signal Engine switch on (IG), headlight dimmer switch in tail or on and automatic light control sensor covered by hand Above 9 V
    F54-1 (SNS2) - F1-20 (GND) GR - BR Microphone connection detection signal Always Below 1 V
    F54-2 (MIN+) - F1-20 (GND) B - BR Microphone voice signal "Bluetooth" handsfree function on A waveform synchronized with sounds is output
    F54-3 (MACC) - F1-20 (GND) W - BR Microphone amplifier power supply Engine switch off Below 1 V
    Engine switch on (IG) 4 to 6 V
    F54-5 (MIN-) - F1-20 (GND) R - BR Microphone voice signal "Bluetooth" handsfree function on A waveform synchronized with sounds is output
    F54-6 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F55-1 (CSLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F55-2 (CDR+) - F1-20 (GND) W - BR USB audio system sound signal USB audio system playing A Waveform synchronized with sound is output
    F55-3 (CDR-) - F1-20 (GND) R - BR USB audio system sound signal USB audio system playing A Waveform synchronized with sound is output
    F55-4 (CDL+) - F1-20 (GND) B - BR USB audio system sound signal USB audio system playing A Waveform synchronized with sound is output
    F55-5 (CDL-) - F1-20 (GND) G - BR USB audio system sound signal USB audio system playing A Waveform synchronized with sound is output
    F55-6 (MUTE) - F1-20 (GND) P - BR Mute signal USB audio system playing Above 2.5 V
    USB audio system changing mode Below 0.5 V
    F55-7 (GND) - F1-20 (GND) B - BR Ground Always Below 1 V
    F55-9 (TXM+) W AVC-LAN communication signal - -
    F55-10 (TXM-) L AVC-LAN communication signal - -
    F55-11 (ACC) - F1-20 (GND) GR - BR Accessory (ON) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    F55-12 (+B) - F1-20 (GND) R - BR Battery Always 11 to 14 V
    RA-5 (ANT+) - F1-20 (GND) BR - BR Power source of antenna

    Engine switch on (ACC)

    Radio switch on and AM or FM

    		 11 to 14 V

  2. CHECK STEREO COMPONENT AMPLIFIER

    A0158ZKE03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F2-2 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    F2-6 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
    F18-10 (LRHD) - Body ground W-B - Body ground Ground Always Below 1 Ω
    F2-3 (+B2) - F2-2 (GND) L - W-B Battery Always 11 to 14 V
    F18-12 (ACC) - F2-2 (GND) GR - W-B Accessory (ON) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    F3-8 (CTR+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F3-7 (CTR-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F52-3 (FL+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F52-8 (FL-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F52-10 (FR+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F52-9 (FR-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F18-3 (L+) - F2-2 (GND) R - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F18-2 (L-) - F2-2 (GND) G - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F18-5 (R+) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F18-4 (R-) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F18-11 (SPD) - F2-2 (GND) V - W-B Speed signal Engine switch on (IG), drive wheels turned slowly Pulse generation
    F18-1 (MUTE) - F2-2 (GND) B - W-B Mute signal Audio system playing → changing modes 3.5 V or higher → Below 1 V
    F18-8 (TX+) - F2-2 (GND) R - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V
    F18-7 (TX-) - F2-2 (GND) W - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V
    F18-14 (II1-) - F2-2 (GND) W - W-B Voice signal "Bluetooth" handsfree voice signal transmitted Waveform synchronized with sound is output
    F18-15 (II1+) - F2-2 (GND) B - W-B Voice signal "Bluetooth" handsfree voice signal transmitted Waveform synchronized with sound is output
    F52-4 (RL+) - F2-2 (GND) B - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output
    F52-11 (RL-) - F2-2 (GND) Y - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output
    F52-5 (RR+) - F2-2 (GND) R - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output
    F52-12 (RR-) - F2-2 (GND) W - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output
    F3-1 (WFL+) - F2-2 (GND) P - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F3-5 (WFL-) - F2-2 (GND) V - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F3-2 (WFR+) - F2-2 (GND) LG - W-B Sound signal Audio system playing Waveform synchronized with sound is output
    F3-6 (WFR-) - F2-2 (GND) L - W-B Sound signal Audio system playing Waveform synchronized with sound is output

  3. MULTI-MEDIA INTERFACE ECU

    A015DGDE06
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    L40-1 (USD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    L40-2 (URO+) - L40-7 (GND) W - B USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    L40-3 (URO-) - L40-7 (GND) R - B USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    L40-4 (ULO+) - L40-7 (GND) B - B USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    L40-5 (ULO-) - L40-7 (GND) G - B USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    L40-6 (MUTI) - L40-7 (GND) P - B Mute signal from multi-media interface ECU USB audio system playing Above 2.5 V
    USB audio system changing mode Below 0.5 V
    L40-7 (GND) - Body ground B - Body ground Ground Always Below 1 V
    L40-9 (TX1+) W AVC-LAN communication signal - -
    L40-10 (TX1-) L AVC-LAN communication signal - -
    L40-11 (ACC) - L40-7 (GND) GR - B Accessory (ON) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    L40-12 (+B) - L40-7 (GND) R - B Battery Always 11 to 14 V
    L55-4 (UESG) - Body ground - Ground Always Below 1 V
    L55-2 (UDI-) - Data signal USB device or "iPod" connected -
    L55-3 (UDI+) - Data signal USB device or "iPod" connected -
    L55-1 (UPO) - L55-4 (UESG) - Battery Always 5 V