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


  1. CHECK RADIO RECEIVER ASSEMBLY

    A01DW5ME03
    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 Waveform synchronized with sound is output
    R1-2 (FL+) - R1-7 (GND) P - BR Sound signal (Front left) Audio system playing 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 Waveform synchronized with sound is output
    R1-6 (FL-) - R1-7 (GND) V - BR Sound signal (Front left) Audio system playing Waveform synchronized with sound is output
    R1-7 (GND) - Body ground BR - Body ground Ground Always Below 1 V
    R1-8 (ANT) - Body ground*4 B-W - Body ground Power source of antenna Radio switch on and AM or FM radio on 11 to 14 V
    R1-10 (ILL+) - R1-7 (GND) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch tail or head 11 to 14 V
    R2-1 (RR+) - R1-7 (GND)*1 R - BR Sound signal (Rear right) Audio system playing Waveform synchronized with sound is output
    R2-2 (RL+) - R1-7 (GND)*1 B - BR Sound signal (Rear left) Audio system playing Waveform synchronized with sound is output
    R2-3 (RR-) - R1-7 (GND)*1 W - BR Sound signal (Rear right) Audio system playing Waveform synchronized with sound is output
    R2-6 (RL-) - R1-7 (GND)*1 Y - BR Sound signal (Rear left) Audio system playing Waveform synchronized with sound is output
    R17-11 (AGND) - Body ground*2 Shielded - Body ground Shield ground Always Below 1 V
    R17-17 (SPD) - R1-7 (GND) V-R - BR Speed signal from combination meter

    Ignition switch ON,

    drive wheels turned slowly

    		 Pulse generation
    R17-21 (SW1) - R1-7 (GND)*3 R - BR Steering pad switch signal Steering pad switch not operated 2.8 to 3.6 V
    Seek+ switch pushed Vss 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)*3 W - BR Steering pad switch signal Steering pad switch not operated 2.8 to 3.6 V
    MODE switch pushed Vss to 0.6 V
    R17-23 (SWG) - R1-7 (GND)*3 L - BR Steering pad switch ground Always Below 1 V
    R17-25 (ADPG) - R1-7 (GND)*2 G - BR External device connection detection signal External device connected 0.71 to 1.5 V
    External device not connected 2.61 to 3.3 V
    R17-26 (VAR+) - R1-7 (GND)*2 B - BR Sound signal (Right) External device playing (When stereo jack used) Waveform synchronized with sound is output
    R17-27 (VA-) - R1-7 (GND)*2 W - BR Ground Always Below 1 V
    R17-28 (VAL+) - R1-7 (GND)*2 R - BR Sound signal (Left) External device playing (When stereo jack used) Waveform synchronized with sound is output
    RA-5 (ANT+) - Body ground*5 # - Body ground Power source of antenna Radio switch on and AM or FM radio on 11 to 14 V
    R20-1 (USV1) - R20-4 (UGD1)*2 # - # Battery Always 4.5 to 5.5 V
    R20-2 (US1-) - R20-4 (UGD1)*2 # - # Data signal USB device or "iPod" connected -
    R20-3 (US1+) - R20-4 (UGD1)*2 # - # Data signal USB device or "iPod" connected -
    R20-4 (UGD1) - Body ground*2 # - Body ground Ground Always Below 1 V

    • *1: for Speakers and 4 Speakers

    • *2: w/ Stereo Jack Adapter

    • *3: w/ Steering Pad Switch

    • *4: for Antenna Plug Type

    • *5: for Antenna Connector Type

    • #: There is no wire color information.