MOTOR GENERATOR CONTROL SYSTEM TERMINALS OF ECU


  1. B000Q26C09
    *A for LHD *B for RHD
    *a Inverter with Converter Assembly - -

    Tech Tips

    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 (for LHD)

    Terminal No.

    (Symbol)

    		 Wiring Color Input/Output Terminal Description Condition Standard Condition
    A23-1 (MSN) - A23-2 (MSNG) Y - G Input Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 1)
    A23-3 (MCSG) - A23-4 (MCS) W - R Input Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 1)
    A23-5 (HMCH) - A23-30 (GND1) W - W-B Input/Output Communication signal Power switch on (IG)

    Pulse generation

    (Waveform 2)
    A23-6 (HMCL) - A23-30 (GND1) B - W-B Input/Output Communication signal Power switch on (IG)

    Pulse generation

    (Waveform 2)
    A23-9 (GI) - A23-30 (GND1) W - W-B Input Camshaft position sensor signal Power switch on (READY), engine running

    Pulse generation

    (Waveform 3)
    A23-10 (+B) - A23-30 (GND1) B - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    A23-11 (+B2) - A23-30 (GND1) B - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    A23-12 (MRF) - A23-23 (MRFG) L - B Output Motor resolver reference signal Motor resolver running

    Pulse generation

    (Waveform 1)
    A23-20 (NE) - A23-30 (GND1) B - W-B Input Crankshaft position sensor signal Power switch on (READY), engine running

    Pulse generation

    (Waveform 4)
    A23-21 (GRF) - A23-14 (GRFG) G - Y Output Generator resolver reference signal Generator resolver running

    Pulse generation

    (Waveform 5)
    A23-25 (CANH) - A23-30 (GND1) GR - W-B Input/Output CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 6)
    A23-32 (GSN) - A23-33 (GSNG) B - L Input Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 5)
    A23-34 (GCSG) - A23-35 (GCS) W - R Input Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 5)
    A23-36 (CANL) - A23-30 (GND1) BR - W-B Input/Output CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 6)
    A23-40 (HSDN) - A23-30 (GND1) B - W-B Input MG shutdown signal Power switch on (READY) 0 to 1 V
    A25-1 (IGCT) - A23-30 (GND1) L - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    A25-2 (IDH) - A23-30 (GND1) Y - W-B Output PTC heater prohibit signal Power switch on (IG) 4 to 6 V
    A25-3 (S) - A23-30 (GND1) B - W-B Input Auxiliary battery voltage monitor Power switch on (IG) 11 to 14 V
    A25-5 (NODD) - A23-30 (GND1) V - W-B Input/Output DC/DC operation DC/DC converter operating normally 5 to 7 V
    DC/DC converter not operating normally 2 to 4 V
    DC/DC converter operation prohibited 0.1 to 0.5 V
    A25-6 (VLO) - A23-30 (GND1) W - W-B Input DC/DC operation monitor/voltage change signal Power switch on (IG)

    Pulse generation

    (Waveform 7)
    Inverter with Converter Assembly (for RHD)

    Terminal No.

    (Symbol)

    		 Wiring Color Input/Output Terminal Description Condition Standard Condition
    A24-1 (MSN) - A24-2 (MSNG) Y - G Input Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 1)
    A24-3 (MCSG) - A24-4 (MCS) W - R Input Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 1)
    A24-5 (HMCH) - A24-30 (GND1) W - W-B Input/Output Communication signal Power switch on (IG)

    Pulse generation

    (Waveform 2)
    A24-6 (HMCL) - A24-30 (GND1) B - W-B Input/Output Communication signal Power switch on (IG)

    Pulse generation

    (Waveform 2)
    A24-9 (GI) - A24-30 (GND1) W - W-B Input Camshaft position sensor signal Power switch on (READY), engine running

    Pulse generation

    (Waveform 3)
    A24-10 (+B) - A24-30 (GND1) B - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    A24-11 (+B2) - A24-30 (GND1) B - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    A24-12 (MRF) - A24-23 (MRFG) L - B Output Motor resolver reference signal Motor resolver running

    Pulse generation

    (Waveform 1)
    A24-20 (NE) - A24-30 (GND1) B - W-B Input Crankshaft position sensor signal Power switch on (READY), engine running

    Pulse generation

    (Waveform 4)
    A24-21 (GRF) - A24-14 (GRFG) G - Y Output Generator resolver reference signal Generator resolver running

    Pulse generation

    (Waveform 5)
    A24-25 (CANH) - A24-30 (GND1) GR - W-B Input/Output CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 6)
    A24-32 (GSN) - A24-33 (GSNG) B - L Input Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 5)
    A24-34 (GCSG) - A24-35 (GCS) W - R Input Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 5)
    A24-36 (CANL) - A24-30 (GND1) BR - W-B Input/Output CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 6)
    A24-40 (HSDN) - A24-30 (GND1) B - W-B Input MG shutdown signal Power switch on (READY) 0 to 1 V
    A25-1 (IGCT) - A24-30 (GND1) L - W-B Input Motor generator control ECU (MG ECU) power source Power switch on (IG) 11 to 14 V
    A25-2 (IDH) - A24-30 (GND1) Y - W-B Output PTC heater prohibit signal Power switch on (IG) 4 to 6 V
    A25-3 (S) - A24-30 (GND1) B - W-B Input Auxiliary battery voltage monitor Power switch on (IG) 11 to 14 V
    A25-5 (NODD) - A24-30 (GND1) V - W-B Input/Output DC/DC operation DC/DC converter operating normally 5 to 7 V
    DC/DC converter not operating normally 2 to 4 V
    DC/DC converter operation prohibited 0.1 to 0.5 V
    A25-6 (VLO) - A24-30 (GND1) W - W-B Input DC/DC operation monitor/voltage change signal Power switch on (IG)

    Pulse generation

    (Waveform 7)

    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

    Tech Tips

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


    1. B000OS2E02

      Waveform 1 (motor resolver signal)

      for LHD
      Item Content
      Terminal

      CH1: A23-12 (MRF) - A23-23 (MRFG)

      CH2: A23-1 (MSN) - A23-2 (MSNG)

      CH3: A23-4 (MCS) - A23-3 (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
      for RHD
      Item Content
      Terminal

      CH1: A24-12 (MRF) - A24-23 (MRFG)

      CH2: A24-1 (MSN) - A24-2 (MSNG)

      CH3: A24-4 (MCS) - A24-3 (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

      Tech Tips

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

    2. B000OQIE11

      Waveform 2 (communication signal)

      for LHD
      Item Content
      Terminal

      CH1: A23-6 (HMCL) - A23-30 (GND1)

      CH2: A23-5 (HMCH) - A23-30 (GND1)
      Equipment Setting 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal

      CH1: A24-6 (HMCL) - A24-30 (GND1)

      CH2: A24-5 (HMCH) - A24-30 (GND1)
      Equipment Setting 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

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

    3. B000OO8E10

      Waveform 3 (camshaft position sensor signal)

      for LHD
      Item Content
      Terminal A23-9 (GI) - A23-30 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), engine running
      for RHD
      Item Content
      Terminal A24-9 (GI) - A24-30 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), engine running

      Tech Tips

      The wavelength becomes shorter as the engine speed increases.

    4. B000OO8E11

      Waveform 4 (crankshaft position sensor signal)

      for LHD
      Item Content
      Terminal A23-20 (NE) - A23-30 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), engine running
      for RHD
      Item Content
      Terminal A24-20 (NE) - A24-30 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), engine running

      Tech Tips

      The wavelength becomes shorter as the engine speed increases.

    5. B000OS2E03

      Waveform 5 (generator resolver signal)

      for LHD
      Item Content
      Terminal

      CH1: A23-21 (GRF) - A23-14 (GRFG)

      CH2: A23-32 (GSN) - A23-33 (GSNG)

      CH3: A23-35 (GCS) - A23-34 (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
      for RHD
      Item Content
      Terminal

      CH1: A24-21 (GRF) - A24-14 (GRFG)

      CH2: A24-32 (GSN) - A24-33 (GSNG)

      CH3: A24-35 (GCS) - A24-34 (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

      Tech Tips

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

    6. B000OQIE12

      Waveform 6 (CAN communication signal)

      for LHD
      Item Content
      Terminal

      CH1: A23-25 (CANH) - A23-30 (GND1)

      CH2: A23-36 (CANL) - A23-30 (GND1)
      Equipment Setting 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal

      CH1: A24-25 (CANH) - A24-30 (GND1)

      CH2: A24-36 (CANL) - A24-30 (GND1)
      Equipment Setting 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)
    7. B000PUYE11

      Waveform 7 (DC/DC operation monitor/voltage change signal)

      for LHD
      Item Content
      Terminal A25-6 (VLO) - A23-30 (GND1)
      Equipment Setting 5 V/DIV., 50 ms./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal A25-6 (VLO) - A24-30 (GND1)
      Equipment Setting 5 V/DIV., 50 ms./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The cycle will vary depending on the specified voltage of the hybrid vehicle converter.