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


  1. RADIO RECEIVER ASSEMBLY

    A01ESRFE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    I150-4 (MACC)*1 - I148-7 (GND1) B - BR Microphone amplifier power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    I150-5 (MIN+)*1 - I148-7 (GND1) W - BR Microphone voice signal "Bluetooth" hands-free function on A waveform synchronized with sounds is output
    I150-6 (SNS2)*1 - I148-7 (GND1) LG - BR Microphone connection detection signal Always Below 1 V
    I150-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I150-17 (SPD) - I148-7 (GND1) V - BR Vehicle speed signal

    Ignition switch ON

    Wheel being rotated

    		 Pulse generation
    I150-18 (SGND)*1 - Body ground Shield - Body ground Shield ground Always Below 1 V
    I150-19 (MIN-)*1 - I148-7 (GND1) R - BR Microphone voice signal "Bluetooth" hands-free function on A waveform synchronized with sounds is output
    I150-21 (SW1) - I150-23 (SWG) B - P Steering pad switch signal No switch pushed 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
    I150-22 (SW2) - I150-23 (SWG) Y - P Steering pad switch signal No switch pushed 3.28 to 3.5 V
    MODE/HOLD switch pushed Below 0.8 V
    On hook switch pushed*1 0.9 to 1.3 V
    Off hook switch pushed*1 1.65 to 1.9 V
    I150-23 (SWG) - I148-7 (GND1) P - BR Steering pad switch ground Always Below 1 V
    I150-25 (AUXI) - I148-7 (GND1) G - BR External device connection detection signal External device connected Below 1 V
    I150-26 (ARI) - I148-7 (GND1) B - BR Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I150-27 (ASGN) - I148-7 (GND1) W - BR Shield ground Always Below 1 V
    I150-28 (ALI) - I148-7 (GND1) R - BR Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I148-1 (FR+) - I148-7 (GND1) LG - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I148-2 (FL+) - I148-7 (GND1) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I148-3 (ACC1) - I148-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    I148-4 (+B1) - I148-7 (GND1) L-Y - BR Power source (+B) Always 11 to 14 V
    I148-5 (FR-) - I148-7 (GND1) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I148-6 (FL-) - I148-7 (GND1) V - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I148-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    I148-10 (ILL+) - I148-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    I149-1 (RR+) - I148-7 (GND1) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I149-2 (RL+) - I148-7 (GND1) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I149-3 (RR-) - I148-7 (GND1) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I149-6 (RL-) - I148-7 (GND1) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I151-1 (USV1) - Power source - -
    I151-2 (US1-) - Data signal - -
    I151-3 (US1+) - Data signal - -
    I151-4 (UGD1) - Ground - -
    I151-5 (USG1) - Shield ground - -
    RA1-5 (ANT+) - I148-7 (GND1) R - BR Power source of antenna

    Ignition switch ACC

    Radio switch on and AM or FM selected

    		 11 to 14 V

    *1: w/ Microphone