SAFETY CONNECT SYSTEM TERMINALS OF ECU


  1. CHECK DCM (TELEMATICS TRANSCEIVER)

    A01HVCPE13
    Text in Illustration
    *a Connector Color: Blue (to Telephone Antenna) *b Connector Color: Gray (to GPS Antenna)
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I135-1 (+B) - I135-4 (E) G - BR Auxiliary battery power supply Power switch off 11 to 14 V
    I135-2 (SPI+) - I135-4 (E) Y - BR Sound signal Audio system playing A waveform synchronized with sound is output
    I135-3 (SPI-) - I135-4 (E) P - BR Sound signal Audio system playing A waveform synchronized with sound is output
    I135-4 (E) - Body ground BR - Body ground Ground Always Below 1 V
    I135-5 (SPO+) - I135-4 (E) LG - BR Sound signal Audio system playing, or Emergency call mode A waveform synchronized with sound is output
    I135-6 (SPO-) - I135-4 (E) L - BR Sound signal Audio system playing, or Emergency call mode A waveform synchronized with sound is output
    I135-7 (IG2) - I135-4 (E) LG - BR IG power supply Power switch on (IG) 11 to 14 V
    Power switch off Below 1 V
    I135-8 (ACC) - I135-4 (E) GR - BR ACC power supply Power switch on (ACC) 11 to 14 V
    Power switch off Below 1 V
    I135-10 (SPDP) - I135-4 (E) V - BR Vehicle speed signal

    See "Check Vehicle Signal" Click here

    		-
    I135-11 (IND1) - I135-4 (E) G - BR Manual (SOS) switch red indicator illumination signal For 2 seconds after turning the Power switch on (IG) 1 to 8.5 V
    Power switch off Below 1 V
    I135-12 (IND2) - I135-4 (E) GR - BR Manual (SOS) switch green indicator illumination signal For 2 seconds after turning the Power switch on (IG) 1 to 8.5 V
    Power switch off Below 1 V
    I135-13 (BBI-) W BUB (Back-Up Battery) power supply - -
    I135-17 (MUTE) - I135-4 (E) R - BR Mute signal Audio system playing 3.5 V or higher
    Emergency call mode Below 1 V
    I135-18 (MCO+) - I135-4 (E) R - BR Sent microphone voice signal

    See "Check Microphone & Voice Recognition" Click here

    		-
    I135-19 (MCO-) - I135-4 (E) G - BR Sent microphone voice signal

    See "Check Microphone & Voice Recognition" Click here

    		-
    I135-20 (CTR1) V BUB (Back-Up Battery) control line - -
    I135-21 (CTR2) L BUB (Back-Up Battery) control line - -
    I135-23 (ILL+) - I135-4 (E) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch tail or head 11 to 14 V
    I135-24 (GSW) - I135-4 (E) B - BR Collision detection signal Power switch on (IG)

    Pulse generation

    (Refer to waveform 1)
    I135-25 (SIL) GR Serial communication line - -
    I135-26 (SIG-) - I135-4 (E) V - BR Ground Always Below 1 V
    I135-27 (SIG1) - I135-4 (E) L - BR Manual (SOS) switch condition signal Manual (SOS) switch not pressed 1.5 to 2.0 V
    Manual (SOS) switch pressed 0.5 to 0.8 V
    I135-30 (BBI+) B Back-up battery power supply - -
    I135-32 (SGND) - I135-4 (E) Shield - BR Shield ground Always Below 1 V
    I135-33 (MCVD) - I135-4 (E) B - BR Telephone microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4 to 6 V
    I135-34 (MCI+) - I135-4 (E) W - BR Receive microphone voice signal

    See "Check Microphone & Voice Recognition" Click here

    		-
    I135-35 (MCI-) - I135-4 (E) R - BR Receive microphone voice signal

    See "Check Microphone & Voice Recognition" Click here

    		-

    1. A01HV8ZE01

      Oscilloscope waveform:


      1. Waveform 1

        Item Condition
        Tester connection I135-24 (GSW) - I135-4 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Power switch on (IG)

  2. CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

  3. CHECK NAVIGATION RECEIVER ASSEMBLY Click here