ASC SYSTEM TERMINALS OF ECU


  1. CHECK STEREO COMPONENT EQUALIZER ASSEMBLY

    A01XPLBN03

    1. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I117-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I117-3 (+B) - Body ground W - Body ground Power supply Always 11 to 14 V
      I117-4 (CANH) - Body ground R - Body ground CAN communication signal - -
      I117-5 (VLSW) - Body ground G - Body ground Vehicle sound switch signal Engine switch on (IG), vehicle sound switch on 11 to 14 V
      Engine switch on (IG), vehicle sound switch off Below 1 V
      I117-9 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I117-11 (IG) - Body ground Y - Body ground IG power supply Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      I117-12 (CANL) - Body ground W - Body ground CAN communication signal - -
      I117-14 (VSLI) - Body ground B - Body ground Vehicle sound switch volume signal Engine switch on (IG), vehicle sound switch volume set to maximum 11 to 14 V
      Engine switch on (IG), vehicle sound switch volume set to minimum 8.0 to 11.5 V
      I117-16 (SPO+) - I117-15 (SPO-) B - R Sound signal Simulated engine sounds being output A waveform synchronized with sound is output