NAVIGATION SYSTEM TERMINALS OF ECU


  1. NAVIGATION RECEIVER ASSEMBLY

    A003TZME03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    E35-1 (PKB) - E1-7 (E) B - BR Parking brake signal

    See "Vehicle Signal Check" Click here

    -
    E35-3 (SPD) - E1-7 (E) V - BR Vehicle speed signal from combination meter assembly

    See "Vehicle Signal Check" Click here

    -
    E35-5 (REV) - E1-7 (E) P - BR Reverse signal

    See "Vehicle Signal Check" Click here

    -
    E1-1 (FR+) - E1-7 (E) LG - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E1-2 (FL+) - E1-7 (E) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E1-3 (ACC) - E1-7 (E) GR - BR Accessory (ON) Power switch off Below 1 V
    E1-3 (ACC) - E1-7 (E) GR - BR Accessory (ON) Power switch on (ACC) 11 to 14 V
    E1-4 (B) - E1-7 (E) SB - BR Battery Power switch off 11 to 14 V
    E1-5 (FR-) - E1-7 (E) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E1-6 (FL-) - E1-7 (E) V - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E1-7 (E) - Body ground BR - Body ground Ground Always Below 1 V
    E1-10 (ILL+) - E1-7 (E) G - BR Illumination signal Light control switch off → tail or head Below 1 V → 11 to 14 V
    E2-1 (RR+) - E1-7 (E) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E2-2 (RL+) - E1-7 (E) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E2-3 (RR-) - E1-7 (E) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E2-6 (RL-) - E1-7 (E) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E26-3 (SNS2) - E1-7 (E) W-B - BR Microphone connection detection signal Always Below 1 V
    E26-5 (MACC) - E1-7 (E) R - BR Microphone power supply Power switch off → on (ACC) Below 1 V → 4 to 6 V
    E26-14 (SGND) - E1-7 (E) Shield - BR Shield ground Always Below 1 V
    E26-4 (MIN+) - E1-7 (E) B - BR Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    E26-13 (MIN-) - Body ground W - Body ground Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    E26-12 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E26-1 (V+) - E1-7 (E) R - BR Television camera assembly image signal

    Power switch on (READY)

    Reverse (R) selected

    Camera lens not covered, displaying an image

    Pulse generation (Refer to waveform 1)

    Power switch on (READY)

    Reverse (R) selected

    Camera lens covered, blacking out screen

    Pulse generation (Refer to waveform 2)
    E26-11 (V-) - E1-7 (E) W - BR Ground Always Below 1 V
    E26-2 (CA+) - E1-7 (E) B - BR Television camera assembly power supply

    Power switch on (IG)

    Reverse (R) selected

    5.5 to 7 V
    E26-6 (SWG) - Body ground BR - Body ground Steering pad switch ground Always Below 1 V
    E26-7 (SW1) - E26-6 (SWG) W - BR Steering pad switch signal No switch pushed → Seek+ switch pushed → Seek- switch pushed → Volume+ switch pushed → Volume- switch pushed

    4.44 to 5.43 V

    → 0.45 to 0.65 V

    → 1.19 to 1.49 V

    → 2.09 to 2.54 V

    → 3.2 to 3.88 V

    E26-8 (SW2) - E26-6 (SWG) R - BR Steering pad switch signal No switch pushed → MODE switch pushed → On Hook switch pushed → Off Hook switch pushed → Voice switch pushed

    4.44 to 5.43 V

    → 0.45 to 0.65 V

    → 1.19 to 1.49 V

    → 2.09 to 2.54 V

    → 3.2 to 3.88 V

    E26-15 (ARI) - E26-16 (ASGN) W - R Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E26-16 (ASGN) - E1-7 (E) R - BR Sound signal ground Always Below 1 V
    E26-17 (ALI) - E26-16 (ASGN) B - R Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E26-18 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E26-19 (AUXI) - E1-7 (E) L - BR External device connection detection signal External device connected Below 1 V
    E26-20 (LRHD) - E1-7 (E)*1 W-B - BR RHD signal Always Below 1 V
    RA-5 (ANT+) - E1-7 (E) B - BR Power source of antenna

    Power switch on (IG)

    Radio switch ON and AM or FM selected

    11 to 14 V

    • *1: for RHD


    1. A003RWJE12
      Text in Illustration
      *a Waveform 1 (camera lens not covered, displaying an image)
      *b Waveform 2 (camera lens is covered, blacking out the screen)
      *c Synchronization Signal
      *d Video Waveform

      Reference (Oscilloscope waveform):


      1. Waveform 1 (camera lens not covered, displaying an image)

        Item Content
        Measurement terminal E26-1 (V+) - E1-7 (E)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power switch on (READY), reverse (R) selected

        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 E26-1 (V+) - E1-7 (E)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power switch on (READY), reverse (R) selected

        Tech Tips

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