ASC SYSTEM TERMINALS OF ECU


  1. CHECK STEREO COMPONENT EQUALIZER ASSEMBLY

    A01FMA4N06

    Tech Tips

    Check from the rear of the connector while it is connected to the stereo component equalizer assembly.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    O31-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    O31-3 (+B) - Body ground LG - Body ground Battery power supply Always 11 to 14 V
    O31-4 (CANH) - Body ground G - Body ground CAN communication signal - -
    O31-9 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    O31-11 (IG) - Body ground R - Body ground IG power supply Engine switch on (IG) 11 to 14 V
    Engine switch off Below 1 V
    O31-12 (CANL) - Body ground B - Body ground CAN communication signal - -
    O31-15 (SPO-) - Body ground P - Body ground Sound signal Simulated engine sounds being output A waveform synchronized with sounds is output
    O31-16 (SPO+) - Body ground V - Body ground Sound signal Simulated engine sounds being output A waveform synchronized with sounds is output