NAVIGATION SYSTEM(for Navigation Receiver Type) TERMINALS OF ECU

Tech Tips

Check from the rear of the connector while it is connected to the components.


  1. NAVIGATION RECEIVER ASSEMBLY

    A0028TAN02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F114-1 (FR+) - F114-7 (GND1) LG - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    F114-2 (FL+) - F114-7 (GND1) LA-B - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    F114-3 (ACC1) - F114-7 (GND1) GR - BR Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    F114-4 (+B1) - F114-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    F114-5 (FR-) - F114-7 (GND1) L - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    F114-6 (FL-) - F114-7 (GND1) LA-GR - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    F114-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    F114-10 (ILL+) - F114-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    F115-1 (RR+) - F114-7 (GND1) P - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    F115-2 (RL+) - F114-7 (GND1) L - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    F115-3 (RR-) - F114-7 (GND1) GR - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    F115-5 (ILL-) - F114-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    F115-6 (RL-) - F114-7 (GND1) R - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    F117-3 (CNH1) GR Local bus communication signal - -
    F117-4 (CNL1) SB Local bus communication signal - -
    F117-11 (CA+) - F114-7 (GND1) B - BR Television camera power supply Engine switch on (ACC) 5.5 to 7.05 V
    F117-12 (V+) - F114-7 (GND1) R - BR Video signal

    Engine switch on (IG)

    Shift lever in R

    Camera lens not covered, displaying an image

    		 Pulse generation (Refer to waveform 1)

    Engine switch on (IG)

    Shift lever in R

    Camera lens covered, blacking out screen

    		 Pulse generation (Refer to waveform 2)
    F117-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F117-24 (V-) - F114-7 (GND1) W - BR Ground Always Below 1 V
    F116-1 (IG) - F114-7 (GND1) R - BR Power source (IG) Engine switch off Below 1 V
    Engine switch on (IG) 11 to 14 V
    F116-2 (REV) - F114-7 (GND1) R - BR Reverse signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    F116-4 (MACC) - F114-7 (GND1) G - BR Microphone power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    F116-5 (MIN+) - F114-7 (GND1) L - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    F116-6 (SNS2) - F114-7 (GND1) V - BR Microphone connection detection signal Always Below 1 V
    F116-9 (CANH) L CAN communication signal - -
    F116-10 (CANL) W CAN communication signal - -
    F116-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F116-15 (PKB) - F114-7 (GND1) B - BR Parking brake signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    F116-17 (SPD) - F114-7 (GND1) GR - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    F116-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F116-19 (MIN-) - F114-7 (GND1) P - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    F116-21 (SW1) - F116-23 (SWG) P - R Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Seek+ switch pushed 0.27 to 0.35 V
    Seek- switch pushed 0.86 to 1.03 V
    Volume+ switch pushed 1.51 to 1.79 V
    Volume- switch pushed 2.22 to 2.66 V
    F116-22 (SW2) - F116-23 (SWG) L - R Steering pad switch signal No switch pushed 2.97 to 3.56 V
    MODE/HOLD switch pushed 0.27 to 0.35 V
    On hook switch pushed 0.86 to 1.03 V
    Off hook switch pushed 1.51 to 1.79 V
    Voice switch pushed 2.22 to 2.66 V
    F116-23 (SWG) - F114-7 (GND1) R - BR Steering pad switch ground Always Below 1 V
    F116-25 (ADPG) - F114-7 (GND1) BE - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    F116-26 (VAR+) - F116-27 (VA-) R - B Sound signal (Right)

    External device system playing

    (when stereo jack used)

    		 A waveform synchronized with sound signals is output
    F116-27 (VA-) - F114-7 (GND1) B - BR Ground Always Below 1 V
    F116-28 (VAL+) - F116-27 (VA-) W - B Sound signal (Left)

    External device system playing

    (when stereo jack used)

    		 A waveform synchronized with sound signals is output
    F118-1 (CSLD) - Body ground*1 Shield - Body ground Shield ground Always Below 1 V
    F118-2 (CDR+) - F114-7 (GND1)*1 R - BR Sound signal (Right) RSE system playing A waveform synchronized with sound signals is output
    F118-3 (CDR-) - F114-7 (GND1)*1 W - BR Sound signal (Right) RSE system playing A waveform synchronized with sound signals is output
    F118-4 (CDL+) - F114-7 (GND1)*1 B - BR Sound signal (Left) RSE system playing A waveform synchronized with sound signals is output
    F118-5 (CDL-) - F114-7 (GND1)*1 G - BR Sound signal (Left) RSE system playing A waveform synchronized with sound signals is output
    F118-8 (MUTE) - F114-7 (GND1)*1 LG - BR Mute signal

    Engine switch on (ACC)

    RSE system playing

    		 3.5 V or higher
    Changing source Below 1 V
    F118-9 (TX+)*1 V AVC-LAN communication signal - -
    F118-10 (TX-)*1 BE AVC-LAN communication signal - -
    F119-1 (USV1) - Power source - -
    F119-2 (US1-) - Data signal - -
    F119-3 (US1+) - Data signal - -
    F119-4 (UGD1) - Ground - -
    F119-5 (USG1) - Shield ground - -
    RA-5 (ANT+) - F114-7 (GND1) - - BR Power source of antenna

    Engine switch on (ACC)

    Radio switch on and FM or AM selected

    		 11 to 14 V

    • *1: w/ Rear Seat Entertainment System


    1. Reference (Oscilloscope waveform):


      1. A002AKYC06
        *a Waveform 1 (camera lens not covered, displaying an image)
        *b Synchronization Signal
        *c Video Waveform

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

        Item Content
        Measurement terminal F117-12 (V+) - F114-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips


        • The video waveform changes according to the image sent by the television camera assembly.

        • The video waveform is constantly output when the engine switch is turned on (ACC).

      2. A00274UC04
        *a Waveform 2 (camera lens covered, blacking out the screen)
        *b Synchronization Signal
        *c Video Waveform

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

        Item Content
        Measurement terminal F117-12 (V+) - F114-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips


        • The video waveform changes according to the image sent by the television camera assembly.

        • The video waveform is constantly output when the engine switch is turned on (ACC).

  3. TELEVISION DISPLAY ASSEMBLY (w/ Rear Seat Entertainment System)

    Click here