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Terminals Of Ecu [10/2018 - ]

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  1. GTY795561Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 Inverter with Converter Assembly

    HINT: 

    Since the inverter with converter assembly uses waterproof connectors, the voltage and waveforms cannot be inspected directly. Standard voltage readings and waveforms are indicated for reference only.

    INVERTER WITH CONVERTER ASSEMBLY

    Terminal No.
    (Symbol)
    Wiring Color Input/Output Terminal Description Condition Standard Condition
    C41-1 (CANH) - C41-24 (GND1) B - W-B Input/Output CAN communication signal Power switch on (IG) Pulse generation
    (Waveform 1)
    C41-5 (+B2) - C41-24 (GND1) R - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    C41-6 (+B) - C41-24 (GND1) R - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    C41-7 (CANL) - C41-24 (GND1) W - W-B Input/Output CAN communication signal Power switch on (IG) Pulse generation
    (Waveform 1)
    C41-10 (GI) - C41-24 (GND1) W - W-B Input Camshaft position sensor signal Power switch on (READY), engine running Pulse generation
    (Waveform 2)
    C41-12 (IGCT) - C41-24 (GND1) G - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    C41-17 (NE) - C41-24 (GND1) B - W-B Input Crankshaft position sensor signal Power switch on (READY), engine running Pulse generation
    (Waveform 3)
    C41-19 (HMCL) - C41-24 (GND1) W - W-B Input/Output Communication signal Power switch on (IG) Pulse generation
    (Waveform 4)
    C41-20 (HMCH) - C41-24 (GND1) B - W-B Input/Output Communication signal Power switch on (IG) Pulse generation
    (Waveform 4)
    C41-22 (HSDN) - C41-24 (GND1) R - W-B Input MG shutdown signal Power switch on (READY) 0 to 1 V
    C42-1 (MSN) - C42-2 (MSNG) G - W Input Motor resolver signal Motor resolver running Pulse generation
    (Waveform 5)
    C42-3 (MCSG) - C42-4 (MCS) B - R Input Motor resolver signal Motor resolver running Pulse generation
    (Waveform 5)
    C42-5 (MRF) - C42-6 (MRFG) Y - L Output Motor resolver reference signal Motor resolver running Pulse generation
    (Waveform 5)
    C42-8 (GRF) - C42-9 (GRFG) P - BE Output Generator resolver reference signal Generator resolver running Pulse generation
    (Waveform 6)
    C42-10 (GSN) - C42-11 (GSNG) B - GR Input Generator resolver signal Generator resolver running Pulse generation
    (Waveform 6)
    C42-12 (GCSG) - C42-13 (GCS) LG - V Input Generator resolver signal Generator resolver running Pulse generation
    (Waveform 6)
    NOTE:

    Do not measure the voltage or waveform on the sealed side of the inverter with converter assembly connector. Doing so may damage the connector because the connector is waterproof.

  2. Oscilloscope waveforms 

    HINT: 

    Oscilloscope waveforms shown in the illustrations are examples for reference only. Noise, chattering, etc. are not shown.

    1. Waveform 1 (CAN communication signal)
      Item Content
      Terminal CH1: C41-1 (CANH) - C41-24 (GND1)
      CH2: C41-7 (CANL) - C41-24 (GND1)
      Equipment Setting 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)
      Fig 1: Waveform 1
      GTY449937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Waveform 2 (camshaft position sensor signal)
      Item Content
      Terminal C41-10 (GI) - C41-24 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), engine running

      HINT: 

      The wavelength becomes shorter as the engine speed increases.

      Fig 2: Waveform 2
      GTY454800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Waveform 3 (crankshaft position sensor signal)
      Item Content
      Terminal C41-17 (NE) - C41-24 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), engine running

      HINT: 

      The wavelength becomes shorter as the engine speed increases.

      Fig 3: Waveform 3
      GTY454800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Waveform 4 (communication signal)
      Item Content
      Terminal CH1: C41-19 (HMCL) - C41-24 (GND1)
      CH2: C41-20 (HMCH) - C41-24 (GND1)
      Equipment Setting 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)

      HINT: 

      The waveform will vary depending on the content of the digital communication (digital signal).

      Fig 4: Waveform 4
      GTY449937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Waveform 5 (motor resolver signal)
      Item Content
      Terminal CH1: C42-5 (MRF) - C42-6 (MRFG)
      CH2: C42-1 (MSN) - C42-2 (MSNG)
      CH3: C42-4 (MCS) - C42-3 (MCSG)
      Equipment Setting CH1: 10 V/DIV., 1 ms./DIV.
      CH2: 5 V/DIV., 1 ms./DIV.
      CH3: 5 V/DIV., 1 ms./DIV.
      Condition Motor resolver running

      HINT: 

      The width indicated by (A) becomes shorter as the rotor speed increases.

      Fig 5: Waveform 5
      GTY541092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Waveform 6 (generator resolver signal)
      Item Content
      Terminal CH1: C42-8 (GRF) - C42-9 (GRFG)
      CH2: C42-10 (GSN) - C42-11 (GSNG)
      CH3: C42-13 (GCS) - C42-12 (GCSG)
      Equipment Setting CH1: 10 V/DIV., 1 ms./DIV.
      CH2: 5 V/DIV., 1 ms./DIV.
      CH3: 5 V/DIV., 1 ms./DIV.
      Condition Generator resolver running

      HINT: 

      The width indicated by (A) becomes shorter as the rotor speed increases.

      Fig 6: Waveform 6
      GTY541092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002