NAVIGATION SYSTEM (for DVD) TERMINALS OF ECU


  1. NAVIGATION RECEIVER ASSEMBLY

    A017BRCE01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    E4-1 (PKB) - E6-7 (GND) LG - BR Parking brake signal

    See "Vehicle Signal Check" Click here

    -
    E4-2 (IG) - E6-7 (GND) G - BR Power source (IG) Ignition switch off Below 1 V
    E4-2 (IG) - E6-7 (GND) G - BR Power source (IG) Ignition switch ON 11 to 14 V
    E4-3 (SPD) - E6-7 (GND) V - BR Vehicle speed signal from combination meter assembly

    See "Vehicle Signal Check" Click here

    -
    E4-5 (REV) - E6-7 (GND) R - BR Reverse signal

    See "Vehicle Signal Check" Click here

    -
    E6-1 (FR+) - E6-7 (GND) LG - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E6-2 (FL+) - E6-7 (GND) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E6-3 (ACC) - E6-7 (GND) GR - BR Accessory (ON) Ignition switch off Below 1 V
    E6-3 (ACC) - E6-7 (GND) GR - BR Accessory (ON) Ignition switch ACC 11 to 14 V
    E6-4 (B) - E6-7 (GND) B - BR Battery Always 11 to 14 V
    E6-5 (FR-) - E6-7 (GND) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E6-6 (FL-) - E6-7 (GND) V - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E6-7 (GND) - Body ground BR - Body ground Ground Always Below 1 V
    E6-8 (ANT) - E6-7 (GND) B - BR Power source of antenna

    Ignition switch ON

    Radio switch on and AM or FM selected

    11 to 14 V
    E6-10 (ILL+) - E6-7 (GND) G - BR Illumination signal Light control switch off → tail or head position Below 1 V → 11 to 14 V
    E7-1 (RR+) - E6-7 (GND) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E7-2 (RL+) - E6-7 (GND) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E7-3 (RR-) - E6-7 (GND) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E7-6 (RL-) - E6-7 (GND) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E3-5 (SNS2) - E6-7 (GND) G - BR Microphone connection detection signal Always Below 1 V
    E3-17 (MACC) - E6-7 (GND) W - BR Microphone power supply Ignition switch off → ON Below 1 V → 5 V
    E3-18 (SGND) - E6-7 (GND) Shield - BR Shield ground Always Below 1 V
    E3-19 (MIC+) - E6-7 (GND) B - BR Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    E3-20 (MIC-) - Body ground R - Body ground Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    E3-21 (CGND) - Body ground W - Body ground Shield ground Always Below 1 V
    E3-22 (V+) - E6-7 (GND) R - BR Television camera image signal

    Ignition switch ON

    Shift lever in R

    Under normal conditions

    Pulse generation (Refer to waveform 1)

    Ignition switch ON

    Shift lever in R

    Camera lens covered, blacking out screen

    Pulse generation (Refer to waveform 2)
    E3-23 (V-) - E6-7 (GND) Shield - BR Shield ground Always Below 1 V
    E3-24 (CA+) - E6-7 (GND) B - BR Television camera power supply

    Ignition switch ON

    Shift lever in R

    5.5 to 7 V
    E2-6 (SWG) - Body ground B - Body ground Steering pad switch ground Always Below 1 V
    E2-7 (SW1) - E2-6 (SWG) BE - B Steering pad switch signal

    No switch pushed

    → Seek+ switch pushed

    → Seek- switch pushed

    → Volume+ switch pushed

    → Volume- switch pushed

    4.5 to 5.5 V

    → Below 0.5 V

    → 0.86 to 0.95 V

    → 1.91 to 2.01 V

    → 3.23 to 3.57 V

    E2-8 (SW2) - E2-6 (SWG) V - B Steering pad switch signal

    No switch pushed

    → MODE switch pushed

    → On Hook switch pushed

    → Off Hook switch pushed

    → Voice switch pushed

    4.5 to 5.5 V

    → Below 0.5 V

    → 0.86 to 0.95 V

    → 1.91 to 2.01 V

    → 3.23 to 3.57 V

    E2-15 (ARI) - E2-16 (ASGN) R - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E2-16 (ASGN) - E6-7 (GND) W - BR Sound signal ground Always Below 1 V
    E2-17 (ALI) - E2-16 (ASGN) B - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E2-18 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E2-19 (AUXI) - E6-7 (GND) Y - BR External device connection detection signal External device connected Below 1 V

    1. A017DXCE20
      Text in Illustration
      *a Waveform 1 (under normal conditions)
      *b Waveform 2 (camera lens is covered, blacking out the screen)
      *c Synchronization Signal
      *d Video Waveform

      Reference (Oscilloscope waveform):


      1. Waveform 1 (under normal conditions)

        Item Content
        Measurement terminal E3-22 (V+) - E6-7 (GND)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, shift lever in R

        Tech Tips

        The video waveform changes according to the image that the television camera assembly projects.

      2. Waveform 2 (camera lens is covered, blacking out the screen)

        Item Content
        Measurement terminal E3-22 (V+) - E6-7 (GND)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, shift lever in R

        Tech Tips

        The video waveform changes according to the image from the television camera assembly.