HYBRID CONTROL SYSTEM TERMINALS OF ECU

A01FQJUE72
Text in Illustration
*1 Power Management Control ECU - -
Power Management Control ECU

Terminal No.

(Symbol)

Wiring Color Terminal Description Condition Specified Condition
A35-1 (+B2) - N91-6 (E1) W - W-B Power source Power switch on (IG) 11 to 14 V
A35-2 (WP) - N91-6 (E1) P - W-B A/C WP relay signal Power switch on (READY), air conditioning system operated 0 to 2 V
A35-4 (MREL) - N91-6 (E1) G - W-B Main relay Power switch on (IG) 11 to 14 V
A35-6 (ST1-) - N91-6 (E1) GR - W-B Brake cancel switch Power switch on (IG), brake pedal depressed 0 to 1.5 V
Power switch on (IG), brake pedal released 11 to 14 V
A35-9 (PSFT) - N91-6 (E1) LG - W-B Shift lever position sensor power source Power switch on (ACC) 11 to 14 V
A35-10 (ACCI) - N91-6 (E1) GR - W-B Power source Power switch on (ACC) 11 to 14 V
A35-12 (NIWP) - N91-6 (E1) B - W-B Inverter water pump with motor assembly signal Power switch on (READY)

Pulse generation

(Waveform 2)

A35-13 (IWP) - N91-6 (E1) Y - W-B Inverter water pump with motor assembly signal Power switch on (READY)

Pulse generation

(Waveform 2)

A35-14 (VLO) - N91-6 (E1) SB - W-B DC/DC operation monitor / voltage change signal Power switch on (IG)

Pulse generation

(Waveform 1)

A35-20 (MTH-) - N91-6 (E1) W - W-B Communication signal from MG ECU to power management control ECU Power switch on (READY)

Pulse generation

(Waveform 7)

A35-21 (MTH+) - N91-6 (E1) B - W-B Communication signal from MG ECU to power management control ECU Power switch on (READY)

Pulse generation

(Waveform 7)

A35-22 (ILK) - N91-6 (E1) L - W-B Interlock switch Power switch on (IG), inverter cover, high voltage input cables and service plug grip installed correctly 0 to 1.5 V
Power switch on (IG), inverter cover, high voltage input cables or service plug grip not installed 11 to 14 V
A35-23 (NODD) - N91-6 (E1) GR - W-B 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 operating prohibited 0.1 to 0.5 V
A35-28 (CLK-) - N91-6 (E1) W - W-B MG communication clock signal Power switch on (READY)

Pulse generation

(Waveform 5)

A35-29 (CLK+) - N91-6 (E1) B - W-B MG communication clock signal Power switch on (READY)

Pulse generation

(Waveform 5)

A35-30 (HSDN) - N91-6 (E1) B - W-B MG ECU shutdown signal Power switch on (READY) 0 to 1.5 V
A35-31 (REQ-) - N91-6 (E1) W - W-B MG ECU communication request signal Power switch on (READY)

Pulse generation

(Waveform 8)

A35-32 (REQ+) - N91-6 (E1) B - W-B MG ECU communication request signal Power switch on (READY)

Pulse generation

(Waveform 8)

A35-33 (HTM-) - N91-6 (E1) W - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

Pulse generation

(Waveform 6)

A35-34 (HTM+) - N91-6 (E1) B - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

Pulse generation

(Waveform 6)

A36-1 (IG2) - N91-6 (E1) B - W-B Power source Power switch on (IG) 11 to 14 V
A36-2 (IG2D) - N91-6 (E1) L - W-B IG2 relay Power switch on (IG) 11 to 14 V
A36-3 (+B1) - N91-6 (E1) W - W-B Power source Power switch on (IG) 11 to 14 V
A36-8 (FD) - N91-6 (E1) P - W-B Shift lever position signal Power switch on (IG), shift lever in D or S 11 to 14 V
Power switch on (IG), shift lever not in D or S 0 to 1.5 V
A36-9 (RV) - N91-6 (E1) GR - W-B Shift lever position signal Power switch on (IG), shift lever in R 11 to 14 V
Power switch on (IG), shift lever not in R 0 to 1.5 V
A36-10 (D) - N91-6 (E1) L - W-B Shift lever position signal Power switch on (IG), shift lever in D 11 to 14 V
Power switch on (IG), shift lever not in D 0 to 1.5 V
A36-11 (N) - N91-6 (E1) Y - W-B Shift lever position signal Power switch on (IG), shift lever in N 11 to 14 V
Power switch on (IG), shift lever not in N 1.2 to 2.8
A36-13 (R) - N91-6 (E1) W - W-B Shift lever position signal Power switch on (IG), shift lever in R 11 to 14 V
Power switch on (IG), shift lever not in R 0 to 1.5 V
A36-14 (P) - N91-6 (E1) G - W-B Shift lever position signal Power switch on (IG), shift lever in P 11 to 14 V
Power switch on (IG), shift lever not in P 0 to 1.5 V
A36-15 (MJ) - N91-6 (E1) B - W-B Shift lever position signal Power switch on (IG), shift lever in P, R, N, D or S 11 to 14 V
A36-16 (CLK) - N91-6 (E1) Y - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

(Waveform 3)

A36-17 (ITE) - N91-6 (E1) W - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

Waveform 3)

A36-18 (ETI) - N91-6 (E1) V - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

Waveform 3)

A36-19 (STB) - N91-6 (E1) LG - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

Waveform 3)

A36-22 (VPA2) - A36-20 (EPA2) V - Y Accelerator pedal sensor assembly (for accelerator pedal position detection) Power switch on (IG), accelerator pedal released 1.0 to 2.2 V
Power switch on (IG), engine stopped, shift lever in P, accelerator pedal fully depressed 3.4 to 5.3 V
A36-23 (VPA) - A36-21 (EPA) R - W Accelerator pedal sensor assembly (for accelerator pedal position detection) Power switch on (IG), accelerator pedal released 0.4 to 1.4 V
Power switch on (IG), engine stopped, shift lever in P, accelerator pedal fully depressed 2.6 to 4.5 V
A36-27 (GMT) - A36-26 (GMTG) L - R Generator temperature sensor Power switch on (IG), temperature 25°C (77°F) 3.6 to 4.6 V
Power switch on (IG), temperature 60°C (140°F) 2.2 to 3.2 V
A36-29 (VCPA) - A36-21 (EPA) G - W Accelerator pedal sensor assembly power source (for VPA) Power switch on (IG) 4.5 to 5.5 V
A36-30 (VCP2) - A36-20 (EPA2) B - Y Accelerator pedal sensor assembly power source (for VPA2) Power switch on (IG) 4.5 to 5.5 V
A36-35 (MMT) - A36-34 (MMTG) P - B Motor temperature sensor Power switch on (IG), temperature 25°C (77°F) 3.6 to 4.6 V
Power switch on (IG), temperature 60°C (140°F) 2.2 to 3.2 V
N91-1 (AM22) - N91-6 (E1) P - W-B Constant power source Power switch on (IG) 11 to 14 V
Power switch on (READY) 11 to 15.5 V
N91-2 (SMRG) - N91-5 (E01) P - W-B System main relay operation signal Power switch on (IG) → Power switch on (READY)

Pulse generation

(Waveform 9)

N91-3 (SMRP) - N91-5 (E01) L - W-B System main relay operation signal Power switch on (IG) → Power switch on (READY)

Pulse generation

(Waveform 9)

N91-4 (SMRB) - N91-5 (E01) LG - W-B System main relay operation signal Power switch on (IG) → Power switch on (READY)

Pulse generation

(Waveform 9)

N91-7 (SSW1) - N91-6 (E1) V - W-B Power switch Power switch pressed and held 0 to 1.5 V
N91-8 (BL) - N91-6 (E1) R - W-B Back-up light Power switch on (IG), shift lever in R 11 to 14 V
N91-9 (KD) - N91-6 (E1) Y - W-B Kick-down switch signal Power switch on (IG) and Accelerator pedal is depressed Below 1 V
Power switch on (IG) and Accelerator pedal is released 11 to 14 V
N91-16 (SPDI) - N91-6 (E1) SB - W-B Vehicle speed signal Driving at approximately 20 km/h (12 mph) with power switch on (READY)

Pulse generation

(Waveform 10)

N91-17 (SI0) - N91-6 (E1) L - W-B HV battery blower fan operation signal Power switch on (IG), during Active Test

Pulse generation

(Waveform 4)

N91-20 (INDM) - N91-6 (E1) SB - W-B Shift position indicator signal Power switch on (IG), shift lever in S 0 to 3.2 V
Power switch on (IG), shift lever not in S 11 to 14 V
N91-22 (INDD) - N91-6 (E1) L - W-B Shift position indicator signal Power switch on (IG), shift lever in D 0 to 3.2 V
Power switch on (IG), shift lever not in D 11 to 14 V
N91-27 (THB) - N91-26 (ETHB) L - W Auxiliary battery temperature Power switch on (IG), auxiliary battery temperature 25°C (77°F) 1.7 to 2.3 V
Power switch on (IG), auxiliary battery temperature 60°C (140°F) 0.6 to 0.9 V
N91-29 (BTH-) - N91-6 (E1) W - W-B Communication signal from battery voltage sensor to power management control ECU Power switch on (IG)

Pulse generation

(Waveform 12)

N91-30 (BTH+) - N91-6 (E1) B - W-B Communication signal from battery voltage sensor to power management control ECU Power switch on (IG)

Pulse generation

(Waveform 12)

N91-31 (INDN) - N91-6 (E1) Y - W-B Shift position indicator signal Power switch on (IG), shift lever in N 0 to 3.2 V
Power switch on (IG), shift lever not in N 11 to 14 V
N91-32 (INDR) - N91-6 (E1) G - W-B Shift position indicator signal Power switch on (IG), shift lever in R 0 to 3.2 V
Power switch on (IG), shift lever not in R 11 to 14 V
N91-33 (INDP) - N91-6 (E1) R - W-B Shift position indicator signal Power switch on (IG), shift lever in P 0 to 3.2 V
Power switch on (IG), shift lever not in P 11 to 14 V
N91-34 (CA2L) - N91-6 (E1) LG - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 13)

N91-35 (CA2H) - N91-6 (E1) V - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 13)

N92-1 (ACCD) - N91-6 (E1) B - W-B ACC relay Power switch on (ACC) 11 to 14 V
N92-2 (IG1D) - N91-6 (E1) B - W-B IG1 relay Power switch on (IG) 11 to 14 V
N92-7 (AM21) - N91-6 (E1) P - W-B Constant power source Power switch on (IG) 11 to 14 V
Power switch on (READY) 11 to 15.5 V
N92-8 (TC) - N91-6 (E1) GR - W-B Diagnosis terminal Power switch on (IG) 11 to 14 V
N92-9 (EVSW) - N91-6 (E1) L - W-B EV mode switch (combination switch assembly) signal Power switch on (IG), EV mode switch (combination switch assembly) not operated 11 to 14 V
Power switch on (IG), EV mode switch (combination switch assembly) operated 0 to 1.5 V
N92-10 (STP) - N91-6 (E1) R - W-B Stop light switch Brake pedal depressed 11 to 14 V
Brake pedal released 0 to 1.5 V
N92-11 (LIN2) - N91-6 (E1) P - W-B LIN communication signal Power switch on (IG) Pulse generation
N92-13 (ABFS) - N91-6 (E1) B - W-B Airbag activation signal Power switch on (READY)

Pulse generation

(Waveform 11)

N92-17 (SSW2) - N91-6 (E1) G - W-B Power switch Power switch pressed and held 0 to 1.5 V
N92-20 (SFTD) - N91-6 (E1) W - W-B Transmission control Power switch on (IG), shift lever in S 11 to 14 V
Power switch on (IG), shift lever in (-) 0 to 1.5 V
N92-21 (SFTU) - N91-6 (E1) Y - W-B Transmission control Power switch on (IG), shift lever in S 11 to 14 V
Power switch on (IG), shift lever in (+) 0 to 1.5 V
N92-22 (M) - N91-6 (E1) R - W-B Transmission control Power switch on (IG), shift lever in S 11 to 14 V
Power switch on (IG), shift lever not in S 0 to 1.5 V
N92-24 (CA1L) - N91-6 (E1) W - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 14)

N92-25 (CA1H) - N91-6 (E1) P - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 14)

N92-30 (CA3N) - N91-6 (E1) W - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 15)

N92-31 (CA3P) - N91-6 (E1) R - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 15)


  1. Oscilloscope waveforms

    Tech Tips

    Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.


    1. A01FS6NE01

      Waveform 1 (DC/DC operation monitor / voltage change signal)

      Item Content
      Terminal A35-14 (VLO) - N91-6 (E1)
      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 DC/DC converter.

    2. A01FUOXE03

      Waveform 2 (Inverter water pump with motor assembly signal)

      Item Content
      Terminal

      CH1: A35-13 (IWP) - N91-6 (E1)

      CH2: A35-12 (NIWP) - N91-6 (E1)

      Equipment Setting 5 V/DIV., 50 ms./DIV.
      Condition Power switch on (READY)
    3. A01FVO9E01

      Waveform 3 (A/C communication signal)

      Item Content
      Terminal

      CH1: A36-16 (CLK) - N91-6 (E1)

      CH2: A36-17 (ITE) - N91-6 (E1)

      CH3: A36-18 (ETI) - N91-6 (E1)

      CH4: A36-19 (STB) - N91-6 (E1)

      Equipment Setting 10 V/DIV., 100 ms./DIV.
      Condition Power switch on (READY), air conditioning system stopped

      Tech Tips

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

    4. A01FPXZE01

      Waveform 4 (HV battery blower fan operation signal)

      Item Content
      Terminal N91-17 (SI0) - N91-6 (E1)
      Equipment Setting 5 V/DIV., 500 ms./DIV.
      Condition Power switch on (IG), during Active Test

      Tech Tips

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

    5. A01FUATE01

      Waveform 5 (MG communication clock signal)

      Item Content
      Terminal

      CH1: A35-29 (CLK+) - N91-6 (E1)

      CH2: A35-28 (CLK-) - N91-6 (E1)

      Equipment Setting 1 V/DIV., 1 μs./DIV.
      Condition Power switch on (READY)
    6. A01FQU9E01

      Waveform 6 (communication signal from power management control ECU to MG ECU)

      Item Content
      Terminal

      CH1: A35-34 (HTM+) - N91-6 (E1)

      CH2: A35-33 (HTM-) - N91-6 (E1)

      Equipment Setting 1 V/DIV., 200 μs./DIV.
      Condition Power switch on (READY)

      Tech Tips

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

    7. A01FQU9E01

      Waveform 7 (communication signal from MG ECU to power management control ECU)

      Item Content
      Terminal

      CH1: A35-21 (MTH+) - N91-6 (E1)

      CH2: A35-20 (MTH-) - N91-6 (E1)

      Equipment Setting V/DIV., 200 μs./DIV.
      Condition Power switch on (READY)

      Tech Tips

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

    8. A01FRAOE01

      Waveform 8 (MG ECU communication request signal)

      Item Content
      Terminal

      CH1: A35-32 (REQ+) - N91-6 (E1)

      CH2: A35-31 (REQ-) - N91-6 (E1)

      Equipment Setting 1 V/DIV., 1 ms./DIV.
      Condition Power switch on (READY)
    9. A01FV2OE02

      Waveform 9 (system main relay operation signal)

      Item Content
      Terminal

      CH1: N91-3 (SMRP) - N91-5 (E01)

      CH2: N91-4 (SMRB) - N91-5 (E01)

      CH3: N91-2 (SMRG) - N91-5 (E01)

      Equipment Setting 10 V/DIV., 200 ms./DIV.
      Condition Power switch on (IG) → Power switch on (READY)
    10. A01FQW6E03

      Waveform 10 (vehicle speed signal)

      Item Content
      Terminal N91-16 (SPDI) - N91-6 (E1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Driving at approximately 20 km/h (12 mph) with power switch on (READY)

      Tech Tips

      The higher the vehicle speed, the shorter the cycle.

    11. A01FQRRE01

      Waveform 11 (airbag activation signal)

      Item Content
      Terminal N92-13 (ABFS) - N91-6 (E1)
      Equipment Setting 5 V/DIV., 500 ms./DIV.
      Condition Power switch on (READY)
    12. A01FQFLE01

      Waveform 12 (communication signal from battery voltage sensor to power management control ECU)

      Item Content
      Terminal

      CH1: N91-30 (BTH+) - N91-6 (E1)

      CH2: N91-29 (BTH-) - N91-6 (E1)

      Equipment Setting 2 V/DIV., 500 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

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

    13. A01FVFFE01

      Waveform 13 (CAN communication signal)

      Item Content
      Terminal

      CH1: N91-34 (CA2L) - N91-6 (E1)

      CH2: N91-35 (CA2H) - N91-6 (E1)

      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).

    14. A01FVFFE01

      Waveform 14 (CAN communication signal)

      Item Content
      Terminal

      CH1: N92-24 (CA1L) - N91-6 (E1)

      CH2: N92-25 (CA1H) - N91-6 (E1)

      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).

    15. A01FVFFE01

      Waveform 15 (CAN communication signal)

      Item Content
      Terminal

      CH1: N92-30 (CA3N) - N91-6 (E1)

      CH2: N92-31 (CA3P) - N91-6 (E1)

      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).

    A01FSAAE01
    Text in Illustration
    *A for LHD *B for RHD
    *1 Inverter with Converter Assembly - -

    Tech Tips

    Since the inverter with converter assembly uses waterproof connectors, the voltage and waveform 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 Terminal Description Condition Standard Condition
    A38-2 (MTH-) - A38-30 (GND1) W - W-B Communication signal from MG ECU to power management control ECU Power switch on (READY)

    Pulse generation

    (Waveform 3)

    A38-3 (MTH+) - A38-30 (GND1) B - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 3)

    A38-10 (+B) - A38-30 (GND1) L - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A38-11 (+B2) - A38-30 (GND1) L - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A38-13 (CLK-) - A38-30 (GND1) W - W-B MG ECU communication clock signal Power switch on (READY)

    Pulse generation

    (Waveform 2)

    A38-14 (CLK+) - A38-30 (GND1) B - W-B MG ECU communication clock signal Power switch on (READY)

    Pulse generation

    (Waveform 2)

    A38-16 (GI) - A38-30 (GND1) W - W-B Camshaft position sensor signal Power switch on (READY), with engine running

    Pulse generation

    (Waveform 1)

    A38-17 (GCS) - A38-6 (GCSG) R - W Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 6)

    A38-18 (GSN) - A38-7 (GSNG) Y - G Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 6)

    A38-20 (GRF) - A38-9 (GRFG) L - B Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 6)

    A38-22 (HTM-) - A38-30 (GND1) W - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 4)

    A38-23 (HTM+) - A38-30 (GND1) B - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 4)

    A38-24 (ILKO) - A38-30 (GND1) B - W-B Interlock switch signal Power switch on (IG), inverter cover, high voltage input cables and service plug grip installed correctly Below 1 V
    Power switch on (IG), inverter cover, high voltage input cables or service plug grip not installed 11 to 14 V
    A38-25 (HSDN) - A38-30 (GND1) B - W-B MG shutdown signal Power switch on (READY) 0 to 1 V
    A38-33 (REQ-) - A38-30 (GND1) W - W-B MG ECU communication request signal Power switch on (READY)

    Pulse generation

    (Waveform 5)

    A38-34 (REQ+) - A38-30 (GND1) B - W-B MG ECU communication request signal Power switch on (READY)

    Pulse generation

    (Waveform 5)

    A38-35 (ILKI) - A38-30 (GND1) L - W-B Interlock switch signal Power switch on (IG), inverter cover, high voltage input cables and service plug grip installed correctly Below 1 V
    Power switch on (IG), inverter cover, high voltage input cables or service plug grip not installed 11 to 14 V
    A38-38 (MCS) - A38-27 (MCSG) R - W Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)

    A38-39 (MSN) - A38-28 (MSNG) Y - G Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)

    A38-40 (MRF) - A38-29 (MRFG) L - B Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)

    A39-1 (IGCT) - A38-30 (GND1) R - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A39-2 (IDH) - A38-30 (GND1) W - W-B PTC heater prohibit signal Power switch on (IG) 4 to 6 V
    A39-3 (S) - A38-30 (GND1) G - W-B Auxiliary battery voltage monitor Power switch on (IG) 11 to 14 V
    A39-5 (NODD) - A38-30 (GND1) GR - W-B 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
    A39-6 (VLO) - A38-30 (GND1) SB - W-B DC/DC operation monitor / voltage change signal Power switch on (IG)

    Pulse generation

    (Waveform 8)

    Inverter with Converter Assembly (for RHD)

    Terminal No.

    (Symbol)

    Wiring Color Terminal Description Condition Standard Condition
    A74-2 (MTH-) - A74-30 (GND1) W - W-B Communication signal from MG ECU to power management control ECU Power switch on (READY)

    Pulse generation

    (Waveform 3)

    A74-3 (MTH+) - A74-30 (GND1) B - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 3)

    A74-10 (+B) - A74-30 (GND1) L - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A74-11 (+B2) - A74-30 (GND1) L - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A74-13 (CLK-) - A74-30 (GND1) W - W-B MG ECU communication clock signal Power switch on (READY)

    Pulse generation

    (Waveform 2)

    A74-14 (CLK+) - A74-30 (GND1) B - W-B MG ECU communication clock signal Power switch on (READY)

    Pulse generation

    (Waveform 2)

    A74-16 (GI) - A74-30 (GND1) W - W-B Camshaft position sensor signal Power switch on (READY), with engine running

    Pulse generation

    (Waveform 1)

    A74-17 (GCS) - A74-6 (GCSG) R - W Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 6)

    A74-18 (GSN) - A74-7 (GSNG) Y - G Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 6)

    A74-20 (GRF) - A74-9 (GRFG) L - B Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 6)

    A74-22 (HTM-) - A74-30 (GND1) W - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 4)

    A74-23 (HTM+) - A74-30 (GND1) B - W-B Communication signal from power management control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 4)

    A74-24 (ILKO) - A74-30 (GND1) B - W-B Interlock switch signal Power switch on (IG), inverter cover, high voltage input cables and service plug grip installed correctly Below 1 V
    Power switch on (IG), inverter cover, high voltage input cables or service plug grip not installed 11 to 14 V
    A74-25 (HSDN) - A74-30 (GND1) B - W-B MG shutdown signal Power switch on (READY) 0 to 1 V
    A74-33 (REQ-) - A74-30 (GND1) W - W-B MG ECU communication request signal Power switch on (READY)

    Pulse generation

    (Waveform 5)

    A74-34 (REQ+) - A74-30 (GND1) B - W-B MG ECU communication request signal Power switch on (READY)

    Pulse generation

    (Waveform 5)

    A74-35 (ILKI) - A74-30 (GND1) L - W-B Interlock switch signal Power switch on (IG), inverter cover, high voltage input cables and service plug grip installed correctly Below 1 V
    Power switch on (IG), inverter cover, high voltage input cables or service plug grip not installed 11 to 14 V
    A74-38 (MCS) - A74-27 (MCSG) R - W Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)

    A74-39 (MSN) - A74-28 (MSNG) Y - G Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)

    A74-40 (MRF) - A74-29 (MRFG) L - B Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)

    A75-1 (IGCT) - A74-30 (GND1) R - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A75-2 (IDH) - A74-30 (GND1) W - W-B PTC heater prohibit signal Power switch on (IG) 4 to 6 V
    A75-3 (S) - A74-30 (GND1) G - W-B Auxiliary battery voltage monitor Power switch on (IG) 11 to 14 V
    A75-5 (NODD) - A74-30 (GND1) GR - W-B 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
    A75-6 (VLO) - A74-30 (GND1) SB - W-B DC/DC operation monitor/voltage change signal Power switch on (IG)

    Pulse generation

    (Waveform 8)

    Note

    Do not measure the voltage or waveform directly at 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 waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.


    1. A01FRJFE01

      Waveform 1 (camshaft position sensor signal)

      for LHD
      Item Content
      Terminal A38-16 (GI) - A38-30 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), with engine running
      for RHD
      Item Content
      Terminal A74-16 (GI) - A74-30 (GND1)
      Equipment Setting 5 V/DIV., 20 ms./DIV.
      Condition Power switch on (READY), with engine running

      Tech Tips

      The pulse cycle becomes shorter as the engine speed increases.

    2. A01FUATE01

      Waveform 2 (MG ECU communication clock signal)

      for LHD
      Item Content
      Terminal

      CH1: A38-14 (CLK+) - A38-30 (GND1)

      CH2: A38-13 (CLK-) - A38-30 (GND1)

      Equipment Setting 1 V/DIV., 1 μs./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal

      CH1: A74-14 (CLK+) - A74-30 (GND1)

      CH2: A74-13 (CLK-) - A74-30 (GND1)

      Equipment Setting 1 V/DIV., 1 μs./DIV.
      Condition Power switch on (IG)
    3. A01FUU0E01

      Waveform 3 (communication signal from MG ECU to power management control ECU)

      for LHD
      Item Content
      Terminal

      CH1: A38-3 (MTH+) - A38-30 (GND1)

      CH2: A38-2 (MTH-) - A38-30 (GND1)

      Equipment Setting 1 V/DIV., 200 μs./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal

      CH1: A74-3 (MTH+) - A74-30 (GND1)

      CH2: A74-2 (MTH-) - A74-30 (GND1)

      Equipment Setting 1 V/DIV., 200 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

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

    4. A01FR73E01

      Waveform 4 (communication signal from power management control ECU to MG ECU)

      for LHD
      Item Content
      Terminal

      CH1: A38-23 (HTM+) - A38-30 (GND1)

      CH2: A38-22 (HTM-) - A38-30 (GND1)

      Equipment Setting 1 V/DIV., 200 μs./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal

      CH1: A74-23 (HTM+) - A74-30 (GND1)

      CH2: A74-22 (HTM-) - A74-30 (GND1)

      Equipment Setting 1 V/DIV., 200 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

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

    5. A01FQ79E01

      Waveform 5 (MG ECU communication request signal)

      for LHD
      Item Content
      Terminal

      CH1: A38-34 (REQ+) - A38-30 (GND1)

      CH2: A38-33 (REQ-) - A38-30 (GND1)

      Equipment Setting 1 V/DIV., 1 ms./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal

      CH1: A74-34 (REQ+) - A74-30 (GND1)

      CH2: A74-33 (REQ-) - A74-30 (GND1)

      Equipment Setting 1 V/DIV., 1 ms./DIV.
      Condition Power switch on (IG)
    6. A01FTVSE01

      Waveform 6 (generator resolver signal)

      for LHD
      Item Content
      Terminal

      CH1: A38-20 (GRF) - A38-9 (GRFG)

      CH2: A38-18 (GSN) - A38-7 (GSNG)

      CH3: A38-17 (GCS) - A38-6 (GCSG)

      Equipment Setting

      CH1: 10 V/DIV., 1 ms./DIV.

      CH2, 3: 5 V/DIV., 1 ms./DIV.

      Condition Generator resolver running
      for RHD
      Item Content
      Terminal

      CH1: A74-20 (GRF) - A74-9 (GRFG)

      CH2: A74-18 (GSN) - A74-7 (GSNG)

      CH3: A74-17 (GCS) - A74-6 (GCSG)

      Equipment Setting

      CH1: 10 V/DIV., 1 ms./DIV.

      CH2, 3: 5 V/DIV., 1 ms./DIV.

      Condition Generator resolver running

      Tech Tips

      Pulse cycle A becomes shorter as the rotor speed increases.

    7. A01FTVSE01

      Waveform 7 (motor resolver signal)

      for LHD
      Item Content
      Terminal

      CH1: A38-40 (MRF) - A38-29 (MRFG)

      CH2: A38-39 (MSN) - A38-28 (MSNG)

      CH3: A38-38 (MCS) - A38-27 (MCSG)

      Equipment Setting

      CH1: 10 V/DIV., 1 ms./DIV.

      CH2, 3: 5 V/DIV., 1 ms./DIV.

      Condition Motor resolver running
      for RHD
      Item Content
      Terminal

      CH1: A74-40 (MRF) - A74-29 (MRFG)

      CH2: A74-39 (MSN) - A74-28 (MSNG)

      CH3: A74-38 (MCS) - A74-27 (MCSG)

      Equipment Setting

      CH1: 10 V/DIV., 1 ms./DIV.

      CH2, 3: 5 V/DIV., 1 ms./DIV.

      Condition Motor resolver running

      Tech Tips

      Pulse cycle A becomes shorter as the rotor speed increases.

    8. A01FS6NE01

      Waveform 8 (DC/DC operation monitor / voltage change signal)

      for LHD
      Item Content
      Terminal A39-6 (VLO) - A38-30 (GND1)
      Equipment Setting 5 V/DIV., 50 ms./DIV.
      Condition Power switch on (IG)
      for RHD
      Item Content
      Terminal A75-6 (VLO) - A74-30 (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 DC/DC converter.