WIDE VIEW FRONT MONITOR SYSTEM TERMINALS OF ECU

PARKING ASSIST ECU

1. Disconnect the I6 and I7 parking assist ECU connectors.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I6-1 (+B) - I6-4 (GND1)	L - W-B	Power source signal	Always	10 to 16 V
   I6-4 (GND1) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
   I6-8 (IG) - I6-4 (GND1)	L - W-B	IG Power source signal	Engine switch on (IG)	10 to 16 V
   			Engine switch off	Below 1 V
   I6-9 (ACC) - I6-4 (GND1)	P - W-B	ACC Power source signal	Engine switch on (ACC)	10 to 16 V
   			Engine switch off	Below 1 V
   I7-8 (BLSW) - I6-4 (GND1)	L - W-B	Front and side monitor main switch power source signal	Engine switch on (IG), wide view front and side monitor switch on	10 to 16 V

3. Reconnect the I6 and I7 parking assist ECU connectors.

4. Measure the voltage, resistance and waveform according to the value(s) in the table below.

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I6-10 (TX-)	LG	AVC-LAN communication signal	-	-
   I6-11(TX+)	L	AVC-LAN communication signal	-	-
   I7-36 (BCV-) - I7-35 (BGND)	W - GR	Front television camera ground	Always	Below 1 V
   I7-12 (BCV+) - I7-35 (BGND)	R - GR	Front television camera display signal input	Engine switch on (IG), wide view front and side monitor switch on and camera lens is not covered, displaying an image	Pulse generation (See waveform 1)
   			Engine switch on (IG), wide view front and side monitor switch on and camera lens is covered, blacking out the screen.	Pulse generation (See waveform 2)
   I7-35 (BGND) - I6-4 (GND1)	GR - W-B	Front television camera ground (shield)	Always	Below 1 Ω
   I7-11 (BCB+) - I7-35 (BGND)	B - GR	Power source to front television camera	Engine switch on (IG), wide view front and side monitor switch on	5.5 to 7.05 V

5. 

   Using an oscilloscope, check waveform.

   Table 1. Text in Illustration

   *a	Waveform 1
   *b	Waveform 2
   *c	Synchronized Signal
   *d	Video Waveform

   Tip:

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

   
   

   1. Waveform 1

      Table 2. Measurement Condition

      Item	Content
      Terminal No. (Symbol)	I7-12 (BCV+) - I7-35 (BGND)
      Tool Setting	200 mV/DIV., 50 μsec./DIV.
      Condition	Engine switch on (IG), wide view front and side monitor switch on and camera lens is not covered, displaying an image

   2. Waveform 2

      Table 3. Measurement Condition

      Item	Content
      Terminal No. (Symbol)	I7-12 (BCV+) - I7-35 (BGND)
      Tool Setting	200 mV/DIV., 50 μsec./DIV.
      Condition	Engine switch on (IG), wide view front and side monitor switch on and camera lens is covered, blacking out the screen.