HYBRID CONTROL SYSTEM TERMINALS OF ECU

A005ECOE03
Text in Illustration
*a

Component without harness connected

(Hybrid Vehicle Control ECU)

 - -
Hybrid vehicle control ECU

Terminal No.

(Symbol)

 Wiring Color Terminal Description Condition Specified Condition
A21-1 (+B2) - L5-6 (E1) L - W-B Power source Power switch on (IG) 11 to 14 V
A21-3 (IG2) - L5-6 (E1) R - W-B Power source Power switch on (IG) 11 to 14 V
A21-8 (VCP2) - A21-18 (EP2) G - R Accelerator pedal sensor assembly power source (for VPA2) Power switch on (IG) 4.5 to 5.5 V
A21-9 (VCP1) - A21-20 (EP1) Y - B Accelerator pedal sensor assembly power source (for VPA1) Power switch on (IG) 4.5 to 5.5 V
A21-10 (GI) - L5-6 (E1) Y - W-B Camshaft position sensor signal Power switch on (READY), with engine running

Pulse generation

(Waveform 1)
A21-11 (FCTL) - L5-5 (E01) BR - W-B Cooling fan relay signal Power switch on (IG) Below 2 V
A21-13 (IWP) - L5-6 (E1) G - W-B Inverter water pump assembly signal Power switch on (READY)

Pulse generation

(Waveform 2)
A21-14 (NIWP) - L5-6 (E1) P - W-B Inverter water pump assembly signal Power switch on (READY)

Pulse generation

(Waveform 2)
A21-15 (STP) - L5-6 (E1)

L*1 - W-B

G*2 - W-B

 Stop light switch Brake pedal depressed 11 to 14 V
A21-15 (STP) - L5-6 (E1)

L*1 - W-B

G*2 - W-B

 Stop light switch Brake pedal released 0 to 1.5 V
A21-16 (VLO) - L5-6 (E1) R - W-B DC/DC operation monitor / voltage change signal Power switch on (IG)

Pulse generation

(Waveform 3)
A21-24 (MMT) - A21-23 (MMTG) L - BR Motor temperature sensor Power switch on (IG), temperature 25°C (77°F) 3.6 to 4.6 V
A21-24 (MMT) - A21-23 (MMTG) L - BR Motor temperature sensor Power switch on (IG), temperature 60°C (140°F) 2.2 to 3.2 V
A21-25 (NODD) - L5-6 (E1) W - W-B DC/DC operation DC/DC converter operating normally 5 to 7 V
A21-25 (NODD) - L5-6 (E1) W - W-B DC/DC operation DC/DC converter not operating normally 2 to 4 V
A21-25 (NODD) - L5-6 (E1) W - W-B DC/DC operation DC/DC converter operating prohibited 0.1 to 0.5 V
A21-26 (GMT) - A21-27 (GMTG) B - R Generator temperature sensor Power switch on (IG), temperature 25°C (77°F) 3.6 to 4.6 V
A21-26 (GMT) - A21-27 (GMTG) B - R Generator temperature sensor Power switch on (IG), temperature 60°C (140°F) 2.2 to 3.2 V
A21-28 (VPA2) - A21-18 (EP2) W - R Accelerator pedal sensor assembly (for accelerator pedal position detection) Power switch on (IG), accelerator pedal released 1.0 to 2.2 V
A21-28 (VPA2) - A21-18 (EP2) W - R Accelerator pedal sensor assembly (for accelerator pedal position detection) Power switch on (IG) engine stopped, park (P) selected, accelerator pedal fully depressed 3.4 to 5.3 V
A21-30 (VPA1) - A21-20 (EP1) L - B Accelerator pedal sensor assembly (for accelerator pedal position detection) Power switch on (IG), accelerator pedal released 0.4 to 1.4 V
A21-30 (VPA1) - A21-20 (EP1) L - B Accelerator pedal sensor assembly (for accelerator pedal position detection) Power switch on (IG) engine stopped, park (P) selected, accelerator pedal fully depressed 2.6 to 4.5 V
A22-2 (BL) - L5-6 (E1) R - W-B Back up light Power switch on (IG), shift lever in R 11 to 14 V
A22-4 (+B1) - L5-6 (E1) L - W-B Power source Power switch on (IG) 11 to 14 V
A22-6 (MREL) - L5-6 (E1) BE - W-B Main relay Power switch on (IG) 11 to 14 V
A22-8 (ETI) - L5-6 (E1) R - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

(Waveform 4)
A22-9 (ITE) - L5-6 (E1) Y - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

(Waveform 4)
A22-10 (CLK) - L5-6 (E1) G - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

(Waveform 4)
A22-11 (STB) - L5-6 (E1) W - W-B A/C communication signal Power switch on (READY), air conditioning system stopped

Pulse generation

(Waveform 4)
A22-12 (HSDN) - L5-6 (E1) B - W-B MG ECU shutdown signal Power switch on (READY) 0 to 1.5 V
A22-13 (ILK) - L5-6 (E1) V - 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
A22-13 (ILK) - L5-6 (E1) V - W-B Interlock switch Power switch on (IG), inverter cover, high-voltage input cables or service plug grip not installed 11 to 14 V
A22-22 (MTH-) - L5-6 (E1) W - W-B Communication signal from MG ECU to hybrid vehicle control ECU Power switch on (IG)

Pulse generation

(Waveform 5)
A22-23 (MTH+) - L5-6 (E1) B - W-B Communication signal from MG ECU to hybrid vehicle control ECU Power switch on (IG)

Pulse generation

(Waveform 5)
A22-24 (HTM+) - L5-6 (E1) B - W-B Communication signal from hybrid vehicle control ECU to MG ECU Power switch on (IG)

Pulse generation

(Waveform 6)
A22-25 (HTM-) - L5-6 (E1) W - W-B Communication signal from hybrid vehicle control ECU to MG ECU Power switch on (IG)

Pulse generation

(Waveform 6)
A22-28 (ST1-) - L5-6 (E1) R - W-B Brake cancel switch Power switch on (IG), brake pedal depressed 0 to 1.5 V
A22-28 (ST1-) - L5-6 (E1) R - W-B Brake cancel switch Power switch on (IG), brake pedal released 11 to 14 V
A22-30 (REQ-) - L5-6 (E1) W - W-B MG ECU communication request signal Power switch on (IG)

Pulse generation

(Waveform 7)
A22-31 (REQ+) - L5-6 (E1) B - W-B MG ECU communication request signal Power switch on (IG)

Pulse generation

(Waveform 7)
A22-32 (CLK-) - L5-6 (E1) W - W-B MG communication clock signal Power switch on (IG)

Pulse generation

(Waveform 8)
A22-33 (CLK+) - L5-6 (E1) B - W-B MG communication clock signal Power switch on (IG)

Pulse generation

(Waveform 8)
L5-1 (SMRG) - L5-5 (E01) L - W-B System main relay operation signal Power switch on (IG)→Power switch on (READY)

Pulse generation

(Waveform 9)
L5-3 (SMRP) - L5-5 (E01) LG - W-B System main relay operation signal Power switch on (IG)→Power switch on (READY)

Pulse generation

(Waveform 9)
L5-4 (SMRB) - L5-5 (E01) SB - W-B System main relay operation signal Power switch on (IG)→Power switch on (READY)

Pulse generation

(Waveform 9)
L5-8 (PCON) - L5-6 (E1) LG - W-B P position switch signal Power switch on (IG)

Pulse generation

(Waveform 10)
L5-9 (ST2) - L5-6 (E1) G - W-B Starter signal Power switch on (IG) 0 to 1.5 V
L5-15 (PPOS) - L5-6 (E1) W - W-B P position switch signal Power switch on (IG)

Pulse generation

(Waveform 10)
L5-16 (P1) - L5-6 (E1) Y - W-B P position switch signal Power switch on (IG), P position switch off 7 to 12 V
L5-16 (P1) - L5-6 (E1) Y - W-B P position switch signal Power switch on (IG), P position switch on 3 to 5 V
L5-17 (VCX4) - L5-6 (E1) SB - W-B Select sensor power source (VCX4) Power switch on (IG) 11 to 14 V
L5-18 (VSX4) - L5-6 (E1) BE - W-B Select sensor (Sub) Power switch on (IG), shift lever in home position or B 1.0 to 1.6 V
L5-18 (VSX4) - L5-6 (E1) BE - W-B Select sensor (Sub) Power switch on (IG), shift lever in R, N or D 2.9 to 4.3 V
L5-19 (VSX3) - L5-6 (E1) BR - W-B Select sensor (Main) Power switch on (IG), shift lever in home position or B 1.0 to 1.6 V
L5-19 (VSX3) - L5-6 (E1) BR - W-B Select sensor (Main) Power switch on (IG), shift lever in R, N or D 2.9 to 4.3 V
L5-20 (VCX2) - L5-22 (E2X2) Y - V Shift sensor power source (VSX2) Power switch on (IG) 4.5 to 5.5 V
L5-21 (VSX2) - L5-22 (E2X2) LG - V Shift sensor (Sub) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
L5-21 (VSX2) - L5-22 (E2X2) LG - V Shift sensor (Sub) Power switch on (IG), shift lever in R 0.3 to 1.8 V
L5-21 (VSX2) - L5-22 (E2X2) LG - V Shift sensor (Sub) Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
L5-24 (VSX1) - L5-23 (E2X1) L - SB Shift sensor (Main) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
L5-24 (VSX1) - L5-23 (E2X1) L - SB Shift sensor (Main) Power switch on (IG), shift lever in R 0.3 to 1.8 V
L5-24 (VSX1) - L5-23 (E2X1) L - SB Shift sensor (Main) Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
L5-25 (VCX1) - L5-23 (E2X1) P - SB Shift sensor power source (VSX1) Power switch on (IG) 4.5 to 5.5 V
L5-29 (VCX3) - L5-6 (E1) W - W-B Select sensor power source (VSX3) Power switch on (IG) 11 to 14 V
L5-32 (BTH+) - L5-6 (E1) R - W-B Communication signal from battery smart unit to hybrid vehicle control ECU Power switch on (IG)

Pulse generation

(Waveform 11)
L5-33 (BTH-) - L5-6 (E1) G - W-B Communication signal from battery smart unit to hybrid vehicle control ECU Power switch on (IG)

Pulse generation

(Waveform 11)
L5-34 (CA2H) - L5-6 (E1) B - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 12)
L5-35 (CA2L) - L5-6 (E1) G - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 12)
L6-3 (BATT) - L5-6 (E1) W - W-B Constant power source Always 10 to 14 V
L6-14 (ABFS) - L5-6 (E1) V - W-B Airbag activation signal Power switch on (READY)

Pulse generation

(Waveform 13)
L6-15 (EVSW) - L5-6 (E1) B - W-B EV drive mode switch signal Power switch on (IG), EV drive mode switch not operated 11 to 14 V
L6-15 (EVSW) - L5-6 (E1) B - W-B EV drive mode switch signal Power switch on (IG), EV drive mode switch operated 0 to 1.5 V
L6-20 (THB) - L6-21 (ETHB) L - GR Auxiliary battery temperature Power switch on (IG), auxiliary battery temperature 25°C (77°F) 1.7 to 2.3 V
L6-20 (THB) - L6-21 (ETHB) L - GR Auxiliary battery temperature Power switch on (IG), auxiliary battery temperature 60°C (140°F) 0.6 to 0.9 V
L6-22 (IMI) - L5-6 (E1) LG - W-B Immobiliser communication signal Power switch off → Power switch on (IG) → Power switch on (READY)

Pulse generation

(Waveform 14)
L6-23 (IMO) - L5-6 (E1) SB - W-B Immobiliser communication signal Power switch off → Power switch on (IG) → Power switch on (READY)

Pulse generation

(Waveform 14)
L6-24 (CA1L) - L5-6 (E1) P - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 15)
L6-25 (CA1H) - L5-6 (E1) V - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 15)
L6-28 (TC) - L5-6 (E1) P - W-B Diagnosis terminal Power switch on (IG)
L6-29 (SI0) - L5-6 (E1) Y - W-B HV battery blower fan operation signal Power switch on (IG), during Active Test

Pulse generation

(Waveform 16)
L6-30 (CA3N) - L5-6 (E1) W - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 17)
L6-31 (CA3P) - L5-6 (E1) B - W-B CAN communication signal Power switch on (IG)

Pulse generation

(Waveform 17)


  1. Oscilloscope waveforms

    Tech Tips

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


    1. A005F2AE01

      Waveform 1 (camshaft position sensor signal)

      Item Content
      Terminal A21-10 (GI) - L5-6 (E1)
      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. A0059X0E18

      Waveform 2 (inverter water pump assembly signal)

      Item Content
      Terminal

      CH1: A21-13 (IWP) - L5-6 (E1)

      CH2: A21-14 (NIWP) - L5-6 (E1)
      Equipment Setting 5 V/DIV., 50 ms./DIV.
      Condition Power switch on (READY)
    3. A005EWPE01

      Waveform 3(DC/DC operation monitor / voltage change signal)

      Item Content
      Terminal A21-16 (VLO) - L5-6 (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.

    4. A005B0JE03

      Waveform 4 (A/C communication signal)

      Item Content
      Terminal

      CH1: A22-10 (CLK) - L5-6 (E1)

      CH2: A22-9 (ITE) - L5-6 (E1)

      CH3: A22-8 (ETI) - L5-6 (E1)

      CH4: A22-11 (STB) - L5-6 (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).

    5. A005EU7E03

      Waveform 5 (communication signal from MG ECU to hybrid vehicle control ECU)

      Item Content
      Terminal

      CH1: A22-23 (MTH+) - L5-6 (E1)

      CH2: A22-22 (MTH-) - L5-6 (E1)
      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).

    6. A005EU7E03

      Waveform 6 (communication signal from hybrid vehicle control ECU to MG ECU)

      Item Content
      Terminal

      CH1: A22-24 (HTM+) - L5-6 (E1)

      CH2: A22-25 (HTM-) - L5-6 (E1)
      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).

    7. A005CWHE03

      Waveform 7 (MG ECU communication request signal)

      Item Content
      Terminal

      CH1: A22-31 (REQ+) - L5-6 (E1)

      CH2: A22-30 (REQ-) - L5-6 (E1)
      Equipment Setting 1 V/DIV., 1 ms./DIV.
      Condition Power switch on (IG)
    8. A005DFLE01

      Waveform 8 (MG communication clock signal)

      Item Content
      Terminal

      CH1: A22-33 (CLK+) - L5-6 (E1)

      CH2: A22-32 (CLK-) - L5-6 (E1)
      Equipment Setting 1 V/DIV., 1 μs./DIV.
      Condition Power switch on (IG)
    9. A005EB2E21

      Waveform 9 (system main relay operation signal)

      Item Content
      Terminal

      CH1: L5-3 (SMRP) - L5-5 (E01)

      CH2: L5-4 (SMRB) - L5-5 (E01)

      CH3: L5-1 (SMRG) - L5-5 (E01)
      Equipment Setting 10 V/DIV., 200 ms./DIV.
      Condition Power switch on (IG) → Power switch on (READY)
    10. A005CYOE02

      Waveform 10 (P position switch signal)

      Item Content
      Terminal

      CH1: L5-8 (PCON) - L5-6 (E1)

      CH2: L5-15 (PPOS) - L5-6 (E1)
      Equipment Setting 10 V/DIV., 10 ms./DIV.
      Condition Power switch on (IG)
    11. A005BONE03

      Waveform 11 (communication signal from battery smart unit to hybrid vehicle control ECU)

      Item Content
      Terminal

      CH1: L5-32 (BTH+) - L5-6 (E1)

      CH2: L5-33 (BTH-) - L5-6 (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).

    12. A005DSCE04

      Waveform 12 (CAN communication signal)

      Item Content
      Terminal

      CH1: L5-34 (CA2H) - L5-6 (E1)

      CH2: L5-35 (CA2L) - L5-6 (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).

    13. A005CZUE03

      Waveform 13 (airbag activation signal)

      Item Content
      Terminal L6-14 (ABFS) - L5-6 (E1)
      Equipment Setting 5 V/DIV., 500 ms./DIV.
      Condition Power switch on (READY)
    14. A005DNWE02

      Waveform 14 (immobiliser communication signal)

      Item Content
      Terminal

      CH1: L6-23 (IMO) - L5-6 (E1)

      CH2: L6-22 (IMI) - L5-6 (E1)
      Equipment Setting 5 V/DIV., 200 ms./DIV.
      Condition Power switch off → Power switch on (IG) → Power switch on (READY)
    15. A005DSCE04

      Waveform 15 (CAN communication signal)

      Item Content
      Terminal

      CH1: L6-25 (CA1H) - L5-6 (E1)

      CH2: L6-24 (CA1L) - L5-6 (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).

    16. A005EDDE02

      Waveform 16 (HV battery blower fan operation signal)

      Item Content
      Terminal L6-29 (SI0) - L5-6 (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).

    17. A005DSCE04

      Waveform 17 (CAN communication signal)

      Item Content
      Terminal

      CH1: L6-31 (CA3P) - L5-6 (E1)

      CH2: L6-30 (CA3N) - L5-6 (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).

    A005EB7E03
    Text in Illustration
    *a

    Component without harness connected

    (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

    Terminal No.

    (Symbol)

    		 Wiring Color Terminal Description Condition Standard Condition
    A59-1 (IGCT) - A59-28 (GND1) B - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A59-2 (IDH)*1 - A59-28 (GND1) L - W-B PTC heater prohibit signal Power switch on (IG) 4 to 6 V
    A59-3 (VLO) - A59-28 (GND1) R - W-B DC/DC operation monitor / voltage change signal Power switch on (IG)

    Pulse generation

    (Waveform 1)
    A59-5 (CLK+) - A59-28 (GND1) B - W-B MG ECU communication clock signal Power switch on (READY)

    Pulse generation

    (Waveform 2)
    A59-6 (REQ+) - A59-28 (GND1) B - W-B MG ECU communication request signal Power switch on (READY)

    Pulse generation

    (Waveform 3)
    A59-7 (MTH+) - A59-28 (GND1) B - W-B Communication signal from MG ECU to hybrid vehicle control ECU Power switch on (READY)

    Pulse generation

    (Waveform 4)
    A59-8 (HTM+) - A59-28 (GND1) B - W-B Communication signal from hybrid vehicle control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 5)
    A59-11 (S) - A59-28 (GND1) W - W-B Auxiliary battery voltage monitor Power switch on (IG) 11 to 14 V
    A59-12 (NODD) - A59-28 (GND1) W - W-B DC/DC operation DC/DC converter operating normally 5 to 7 V
    A59-12 (NODD) - A59-28 (GND1) W - W-B DC/DC operation DC/DC converter not operating normally 2 to 4 V
    A59-12 (NODD) - A59-28 (GND1) W - W-B DC/DC operation DC/DC converter operation prohibited 0.1 to 0.5 V
    A59-15 (CLK-) - A59-28 (GND1) W - W-B MG ECU communication clock signal Power switch on (READY)

    Pulse generation

    (Waveform 2)
    A59-16 (REQ-) - A59-28 (GND1) W - W-B MG ECU communication request signal Power switch on (READY)

    Pulse generation

    (Waveform 3)
    A59-17 (MTH-) - A59-28 (GND1) W - W-B Communication signal from MG ECU to hybrid vehicle control ECU Power switch on (READY)

    Pulse generation

    (Waveform 4)
    A59-18 (HTM-) - A59-28 (GND1) W - W-B Communication signal from hybrid vehicle control ECU to MG ECU Power switch on (READY)

    Pulse generation

    (Waveform 5)
    A59-29 (GI) - A59-28 (GND1) B - W-B Camshaft position sensor signal Power switch on (READY), with engine running

    Pulse generation

    (Waveform 6)
    A59-31 (HSDN) - A59-28 (GND1) B - W-B MG shutdown signal Power switch on (READY) 0 to 1 V
    A59-35 (ILKI) - A59-28 (GND1) V - W-B Interlock switch signal Power switch on (IG), inverter cover, high-voltage input cables and service plug grip installed correctly Below 1 V
    A59-35 (ILKI) - A59-28 (GND1) V - W-B Interlock switch signal Power switch on (IG), inverter cover, high-voltage input cables or service plug grip not installed 11 to 14
    A59-36 (ILKO) - A59-28 (GND1) LG - W-B Interlock switch signal Power switch on (IG), inverter cover, high-voltage input cables and service plug grip installed correctly Below 1 V
    A59-36 (ILKO) - A59-28 (GND1) LG - W-B Interlock switch signal Power switch on (IG), inverter cover, high-voltage input cables or service plug grip not installed 11 to 14
    A59-9 (+B2) - A59-28 (GND1) G - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    A59-10 (+B) - A59-28 (GND1) G - W-B MG ECU power source Power switch on (IG) 11 to 14 V
    D29-1 (MRF) - D29-2 (MRFG) Y - L Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)
    D29-3 (MSN) - D29-4 (MSNG) G - W Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)
    D29-6 (MCS) - D29-5 (MCSG) R - BR Motor resolver signal Motor resolver running

    Pulse generation

    (Waveform 7)
    D29-7 (GSN) - D29-8 (GSNG) B - V Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 8)
    D29-10 (GCS) - D29-9 (GCSG) GR - LG Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 8)
    D29-11 (GRF) - D29-12 (GRFG) P - BE Generator resolver signal Generator resolver running

    Pulse generation

    (Waveform 8)

    • *1: w/ PTC Heater

    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. A005EWPE01

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

      Item Content
      Terminal A59-3 (VLO) - A59-28 (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.

    2. A005ALSE03

      Waveform 2 (MG ECU communication clock signal)

      Item Content
      Terminal

      CH1: A59-5 (CLK+) - A59-28 (GND1)

      CH2: A59-15 (CLK-) - A59-28 (GND1)
      Equipment Setting 1 V/DIV., 1 μs./DIV.
      Condition Power switch on (READY)
    3. A005CWHE03

      Waveform 3 (MG ECU communication request signal)

      Item Content
      Terminal

      CH1: A59-6 (REQ+) - A59-28 (GND1)

      CH2: A59-16 (REQ-) - A59-28 (GND1)
      Equipment Setting 1 V/DIV., 1 ms./DIV.
      Condition Power switch on (READY)
    4. A005EU7E03

      Waveform 4 (communication signal from MG ECU to hybrid vehicle control ECU)

      Item Content
      Terminal

      CH1: A59-7 (MTH+) - A59-28 (GND1)

      CH2: A59-17 (MTH-) - A59-28 (GND1)
      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).

    5. A005EU7E03

      Waveform 5 (communication signal from hybrid vehicle control ECU to MG ECU)

      Item Content
      Terminal

      CH1: A59-8 (HTM+) - A59-28 (GND1)

      CH2: A59-18 (HTM-) - A59-28 (GND1)
      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).

    6. A005F2AE01

      Waveform 6 (camshaft position sensor signal)

      Item Content
      Terminal A59-29 (GI) - A59-28 (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.

    7. A005BP9E03

      Waveform 7 (motor resolver signal)

      Item Content
      Terminal

      CH1: D29-1 (MRF) - D29-2 (MRFG)

      CH2: D29-3 (MSN) - D29-4 (MSNG)

      CH3: D29-6 (MCS) - D29-5 (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. A005BP9E03

      Waveform 8 (generator resolver signal)

      Item Content
      Terminal

      CH1: D29-11 (GRF) - D29-12 (GRFG)

      CH2: D29-7 (GSN) - D29-8 (GSNG)

      CH3: D29-10 (GCS) - D29-9 (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.