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Terminals Of Ecu

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  1. DISTANCE CONTROL ECU 
    Fig 1: Identifying Terminals Of ECU
    G03376265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Symbols (Terminals No.) Wiring Color Condition STD Voltage (V)
    D2-1 <--> D2-8 (IGB <--> GND) L-O <--> BR Ignition switch ON 10 - 14 V
    D2-5 <--> D2-8 (LCS <--> GND) LG-B <--> BR Ignition switch ON Pulse generation *1
    D2-6 <--> D2-8 (ELC <--> GND) GR-G <--> BR Ignition switch ON Pulse generation *2
    D2-8 <--> Body ground (GND <--> Body ground) BR <--> Body ground Constant Below 1 V
    D2-9 <--> D2-8 (B <--> GND) R-B <--> BR Ignition switch ON 10 - 14 V
    D2-14 <--> D2-8 (LRRD <--> GND) L-Y <--> BR Ignition switch ON Pulse generation *3
    D2-15 <--> D2-8 (LRDD <--> GND) P-L <--> BR Ignition switch ON Pulse generation *4
    D2-16 <--> Body ground (SGND <--> Body ground) BR <--> Body ground Constant Below 1 V
    1. Oscilloscope wave *1

      HINT:

      • Terminal: LCS - GND
      • Gauge set: 2 Ml DIV, 5 ms/ DIV
      • Condition: Ignition switch ON
        Fig 2: Oscilloscope Wave - 1
        G03376266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Oscilloscope wave *2

      HINT:

      • Terminal: ELC-GND
      • Gauge set: 2 V/ DIV, 5 ms/ DIV
      • Condition: Ignition switch ON
        Fig 3: Oscilloscope wave - 2
        G03376267Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Oscilloscope wave *3

      HINT:

      • Terminal: LRRD-SGND
      • Gauge set: 2 V/ DIV, 5 ms/ DIV
      • Condition: Ignition switch ON
        Fig 4: Oscilloscope Wave - 3
        G03376268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Oscilloscope wave *4

      HINT:

      • Terminal: LRDD - GND
      • Gauge set: 2 V/ DIV, 5 ms/ DIV
      • Condition: Ignition switch ON
        Fig 5: Oscilloscope Wave - 4
        G03376269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. ECM 
    Fig 6: Identifying ECM Connector Terminal
    G03376270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Symbols (Terminals No.) Wiring Color Condition STD Voltage (V)
    E2-4 <--> E6-7 (STP <--> El) G-O <--> BR Brake pedal released (Stop light switch OFF) Below 1 V
    Brake pedal pushed (Stop light switch ON) 7.5 - 14 V
    E2-31 <--> E6-7 (CCS <--> El) W-L <--> BR Ignition switch ON
    CANCEL switch ON -->
    SET/ COAST switch ON -->
    RES/ ACC switch ON    		 10 - 16 V -->
    6.9 - 9.8 V -->
    4.7 - 6.9 V -->
    2.4 - 3.8 V
    E3-8 <--> E6-7
    (ST1- <--> E1)    		 V-Y <--> BR Brake pedal pushed (Stop light switch ON) Below 1 V
    Brake pedal released (Stop light switch OFF) 7.5 - 14 V
    E3-22 <--> E6-7 (LCS <--> EI) LG-B <--> BR Ignition switch ON Pulse generation *1
    E3-23 <--> E6-7 (ELC <--> El) GR-G <--> BR Ignition switch ON Pulse generation *2
    E3-27 <--> E6-7 (CCHG <--> EI) V <--> BR Ignition switch ON MODE switch ON Below 1 V
    E3-29 <--> Body ground (LGND <--> Body ground) BR-Y <--> Body ground Constant Below 1 V
    E6-7 <--> Body ground (E1 <--> Body ground) BR <--> Body ground Constant Below 1 V
    1. Oscilloscope wave *1

      HINT:

      • Terminal: LCS - GND
      • Gauge set: 1 V/ DIV, 20 ms/ DIV
      • Condition: Ignition switch ON
        Fig 7: Oscilloscope Wave - 1
        G03376271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Oscilloscope wave *2

      HINT:

      • Terminal: ELC - GND
      • Gauge set: 1 V/ DIV, 20 ms/ DIV
      • Condition: Ignition switch ON
        Fig 8: Oscilloscope Wave - 2
        G03376272Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. LASER RADAR SENSOR 
    Fig 9: Identifying Laser Radar Sensor
    G03376273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Symbols (Terminals No.) Wiring Color Condition STD Voltage (V)
    L1-5 <--> L1-2 (IGB <--> SGND) L-O <--> BR Ignition switch ON 10 - 14 V
    L1-2 <--> Body ground (SGND <--> Body ground) BR <--> Body ground Constant Below 1 V
    L1-4 <--> L1-2 (LRRD <--> SGND) L-Y <--> BR Ignition switch ON Pulse generation *1
    L1-3 <--> L1-2 (LRDD <--> SGND) P-L <--> BR Ignition switch ON Pulse generation *2
    LI-1 <--> Body ground (LGND <--> Body ground) BR-Y <--> Body ground Constant Below 1 V
    1. Oscilloscope wave *1

      HINT:

      • Terminal: LRDD - SGND
      • Gauge set: 1 V/ DIV, 20 ms/ DIV
      • Condition: Ignition switch ON
        Fig 10: Oscilloscope Wave - 1
        G03376274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Oscilloscope wave *2

      HINT:

      • Terminal: LRRD-GND
      • Gauge set: 1 Ml DIV, 20 ms/ DIV
      • Condition: Ignition switch ON
        Fig 11: Oscilloscope Wave - 2
        G03376275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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