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


  1. CHECK RADIO RECEIVER ASSEMBLY

    A01DXX4E03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    R1-1 (FR+) - R1-7 (GND) LG - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound is output
    R1-2 (FL+) - R1-7 (GND) P - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound is output
    R1-3 (ACC) - R1-7 (GND) GR - BR Accessory (On) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    R1-4 (B) - R1-7 (GND) L-Y - BR Battery Always 11 to 14 V
    R1-5 (FR-) - R1-7 (GND) L - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound is output
    R1-6 (FL-) - R1-7 (GND) V - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound is output
    R1-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω
    R1-10 (ILL+) - R1-7 (GND) G - BR Illumination signal Headlight dimmer switch assembly off Below 1 V
    Headlight dimmer switch assembly tail or head position 11 to 14 V
    R2-1 (RR+) - R1-7 (GND)*1 R - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound is output
    R2-2 (RL+) - R1-7 (GND)*1 B - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound is output
    R2-3 (RR-) - R1-7 (GND)*1 W - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound is output
    R2-6 (RL-) - R1-7 (GND)*1 Y - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound is output
    R17-4 (MACC) - R17-6 (SNS2)*3 B - W-B Telephone microphone assembly power supply Ignition switch off Below 1 V
    Ignition switch ON 4 to 6 V
    R17-5 (MIN+) - R17-6 (SNS2)*3 W - W-B Telephone microphone assembly voice signal "Bluetooth" hands-free function on A waveform synchronized with sound is output
    R17-6 (SNS2) - Body ground*3 W-B - Body ground Ground Always Below 1 Ω
    R17-17 (SPD) - R1-7 (GND) V-R - BR Speed signal from combination meter Ignition switch ON, drive wheels turned slowly Pulse generation
    R17-18 (SGND) - Body ground*3 Shielded - Body ground Shield ground Always Below 1 Ω
    R17-19 (MIN-) - R17-6 (SNS2)*3 R - W-B Telephone microphone assembly voice signal "Bluetooth" hands-free function on A waveform synchronized with sound is output
    R17-21 (SW1) - R1-7 (GND)*2 R - BR Steering pad switch signal No switch pushed 2.8 to 3.57 V
    Seek+ switch pushed 0 to 0.6 V
    Seek- switch pushed 0.6 to 1.3 V
    Volume+ switch pushed 1.3 to 2.1 V
    Volume- switch pushed 2.1 to 2.8 V
    R17-22 (SW2) - R1-7 (GND)*2 W - BR Steering pad switch signal No switch pushed 2.97 to 3.56 V
    MODE switch pushed 0.27 to 0.35 V
    R17-23 (SWG) - R1-7 (GND)*2 L - BR Steering pad switch ground Always Below 1 Ω
    RA-3 (MAIN)*1 - - - -
    RA-4 (GND) - Ground - -
    RA-5 (ANT+) - R1-7 (GND) # - BR Power source of antenna Ignition switch ACC, radio switch on and AM or FM selected 11 to 14 V

    • *1: except 2 Speakers

    • *2: w/ Steering Pad Switch

    • *3: w/ "Bluetooth" Function

    • #: There is no wire color information.