PARKING ASSIST MONITOR SYSTEM TERMINALS OF ECU


  1. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N68-39 (CA+) - Body ground B - Body ground Power source Engine starts, shift lever in R 5.5 to 7.05 V
      N68-18 (V+) - N68-19 (V-) R - W Display signal Engine starts, shift lever in R Pulse generation (See waveform)
      N68-40 (CGND) - Body ground Shielded - Body ground Shielding Always Below 1 V
      N68-17 (+B1) - N68-12 (GND1) L - W-B Battery Always 11 to 14 V
      N68-12 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      N68-1 (CANH) B CAN communication line - -
      N68-2 (CANH) W CAN communication line - -

    2. Using an oscilloscope, check waveform.

      A01FHFWE01
      Text in Illustration
      *a Waveform A *b Waveform B
      *c Synchronization Signal *d Video Waveform
      Item Content
      Terminal No. (Symbol) N68-18 (V+) - N68-19 (V-)
      Tool Setting 0.2 V/DIV., 50 μs/DIV.
      Condition

      Waveform A: Engine starts, shift lever in R (camera lens is not covered, displaying an image)

      Waveform B: Engine starts, shift lever in R (camera lens is covered, blacking out the screen)

  2. CHECK ACCESSORY METER ASSEMBLY (for 12.3 Inch), MULTI-DISPLAY (for 8 Inch)

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    Text in Illustration
    *A for 12.3 Inch *B for 8 Inch

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

      for 12.3 Inch
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N62-12 (+B2) - Body ground SB - Body ground Battery Always 11 to 14 V
      N62-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      N62-23 (IG) - Body ground LG - Body ground Power source (IG) Engine switch on (IG) 11 to 14 V
      N62-24 (ACC) - Body ground GR - Body ground Power source (ACC) Engine switch on (ACC) 11 to 14 V
      for 8 Inch
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N155-12 (+B2) - Body ground SB - Body ground Battery Always 11 to 14 V
      N155-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      N155-23 (IG) - Body ground LG - Body ground Power source (IG) Engine switch on (IG) 11 to 14 V
      N155-24 (ACC) - Body ground GR - Body ground Power source (ACC) Engine switch on (ACC) 11 to 14 V