REAR VIEW MONITOR SYSTEM(for Radio and Display Type) TERMINALS OF ECU


  1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

    B003PRRN01

    1. Disconnect the G100 and G102 radio and display receiver assembly 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
      G100-1 (IG) - Body ground G - Body ground Power source of IG Ignition switch off Below 1 V
      Ignition switch to ON 11 to 14 V
      G102-3 (ACC1) - Body ground GR - Body ground Power source of ACC Ignition switch off Below 1 V
      Ignition switch ACC 11 to 14 V
      G102-4 (+B1) - Body ground SB - Body ground Battery Always 11 to 14 V
      G102-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the G100 and G102 radio and display receiver assembly connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G100-2 (REV) - Body ground R - Body ground Reverse signal Ignition switch to ON, shift lever in R 7.5 to 14 V
      Ignition switch to ON, shift lever not in R Below 1 V
      G101-12 (V+) - G101-24 (V-) R - W Display signal Ignition switch to ON, shift lever in R Pulse generation (See waveform 1)
      Ignition switch to ON, shift lever in R, screen blacked out by covering camera lens Pulse generation (See waveform 2)
      G101-11 (CA+) - G101-23 (CGND) B - Shielded Power source Ignition switch ACC 5.5 to 7.05 V
      G101-23 (CGND) - Body ground Shielded - Body ground Shielding Always Below 1 V
    5. B003QHIN05

      Using an oscilloscope, check waveform 1.

      Measurement Condition
      Item Content
      Terminal No. (Symbol) G101-12 (V+) - G101-24 (V-)
      Tool Setting 200 mV/DIV., 50 μsec./DIV.
      Condition Ignition switch to ON, shift lever in R
    6. B003S4VN04

      Using an oscilloscope, check waveform 2.

      Measurement Condition
      Item Content
      Terminal No. (Symbol) G101-12 (V+) - G101-24 (V-)
      Tool Setting 200 mV/DIV., 50 μsec./DIV.
      Condition Ignition switch to ON, shift lever in R, screen blacked out by covering camera lens