HYBRID VEHICLE CONTROL ECU
| Terminal No. (Symbol) |
Wiring Color | Input/Output | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|---|
| A41-4 (HMCH) - I3-3 (E1) | B - W-B | IN/OUT | CAN Communication signal | Power switch on (IG) | Pulse generation (Waveform 1) |
| A41-5 (MREL) - I3-3 (E1) | W - W-B | OUT | IGCT SCENE relay | Power switch on (IG) | 11 to 14 V |
| A41-6 (HSDN) - I3-3 (E1) | B - W-B | OUT | MG ECU shutdown signal | Power switch on (READY) | 0 to 1.5 V |
| A41-7 (STP) - I3-3 (E1) | SB - W-B | IN | Stop light switch | Brake pedal depressed | 11 to 14 V |
| Brake pedal released | 0 to 1.5 V | ||||
| A41-8 (LIN3) - I3-3 (E1) | G - W-B | IN/OUT | LIN communication signal (A/C inverter, auxiliary battery) |
Power switch on (READY) | Pulse generation |
| A41-11 (+B1) - I3-3 (E1) | L - W-B | IN | Power source | Power switch on (IG) | 11 to 14 V |
| A41-12 (OPM2) - I3-3 (E1) | LG - W-B | OUT | OIL PMP relay | Power switch on (READY), engine stopped | 11 to 14 V |
| A41-14 (HMCL) - I3-3 (E1) | W - W-B | IN/OUT | Communication signal | Power switch on (IG) | Pulse generation (Waveform 1) |
| A41-20 (BL) - I3-3 (E1) | SB - W-B | OUT | Back-up light relay | Power switch on (IG), shift lever in R | 11 to 14 V |
| A41-21 (OPM1) - I3-3 (E1) | W - W-B | OUT | Oil pump with motor assembly signal | Power switch on (READY), engine stopped | Pulse generation (Waveform 2) |
| A41-22 (NOPM) - I3-3 (E1) | BR - W-B | IN | Oil pump with motor assembly signal | Power switch on (READY), engine stopped | Pulse generation (Waveform 2) |
| A41-24 (VCPA) - A41-37 (EPA) | BE - L | OUT | Accelerator pedal sensor assembly power source (for VPA) | Power switch on (IG) | 4.5 to 5.5 V |
| A41-26 (VCP2) - A41-25 (EPA2) | G - W | OUT | Accelerator pedal sensor assembly power source (for VPA2) | Power switch on (IG) | 4.5 to 5.5 V |
| A41-33 (NIWP) - I3-3 (E1) | GR - W-B | IN | Inverter water pump assembly signal | Power switch on (READY) | Pulse generation (Waveform 3) |
| A41-34 (IWP) - I3-3 (E1) | G - W-B | OUT | Inverter water pump assembly signal | Power switch on (READY) | Pulse generation (Waveform 3) |
| A41-36 (VPA) - A41-37 (EPA) | GR - L | IN | 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 position P, accelerator pedal fully depressed | 2.6 to 4.5 V | ||||
| A41-38 (VPA2) - A41-25 (EPA2) | B - W | IN | Accelerator pedal sensor assembly (for accelerator pedal sensor malfunction detection) | Power switch on (IG), accelerator pedal released | 1.0 to 2.2 V |
| Power switch on (IG), engine stopped, shift position P, accelerator pedal fully depressed | 3.4 to 5.3 V | ||||
| A41-40 (TTA) - A41-39 (ETTA) | SB - P | IN | Transmission fluid 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 | ||||
| A41-46 (MMT) - A41-45 (MMTG) | L - BR | IN | 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 | ||||
| A41-48 (GMT) - A41-47 (GMTG) | LG - R | IN | 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 | ||||
| I2-5 (ILK) - I3-3 (E1) | V - W-B | IN | Interlock switch | Power switch on (IG), service plug grip installed correctly | 0 to 1.5 V |
| Power switch on (IG), service plug grip not installed | 11 to 14 V | ||||
| I2-7 (CA3P) - I3-3 (E1) | G - W-B | IN/OUT | CAN communication signal | Power switch on (IG) | Pulse generation (Waveform 4) |
| I2-8 (CA1L) - I3-3 (E1) | W - W-B | IN/OUT | CAN communication signal | Power switch on (IG) | Pulse generation (Waveform 5) |
| I2-9 (CA4H) - I3-3 (E1) | SB - W-B | IN/OUT | CAN communication signal | Power switch on (IG) | Pulse generation (Waveform 6) |
| I2-13 (SMRG) - I2-12 (E01) | P - W-B | OUT | System main relay operation signal | Power switch on (IG)→Power switch on (READY) | Pulse generation (Waveform 7) |
| I2-15 (SMRP) - I2-12 (E01) | LG - W-B | OUT | System main relay operation signal | Power switch on (IG)→Power switch on (READY) | Pulse generation (Waveform 7) |
| I2-16 (SMRB) - I2-12 (E01) | BE - W-B | OUT | System main relay operation signal | Power switch on (IG)→Power switch on (READY) | Pulse generation (Waveform 7) |
| I2-20 (CA3N) - I3-3 (E1) | W - W-B | IN/OUT | CAN communication signal | Power switch on (IG) | Pulse generation (Waveform 4) |
| I2-21 (CA1H) - I3-3 (E1) | L - W-B | IN/OUT | CAN communication signal | Power switch on (IG) | Pulse generation (Waveform 5) |
| I2-22 (CA4L) - I3-3 (E1) | R - W-B | IN/OUT | CAN communication signal | Power switch on (IG) | Pulse generation (Waveform 6) |
| I2-24 (CHEN) - I3-3 (E1) | G - W-B | OUT | Charging permission signal | Power switch on (IG) | 0 to 1.5 V |
| I2-31 (+B3M) - I3-3 (E1) | L - W-B | IN | IGCT relay open monitor | Power switch on (IG) | 11 to 14 V |
| I2-32 (MRL2) - I3-3 (E1) | BE - W-B | OUT | IGCT relay | Power switch on (IG) | 11 to 14 V |
| I2-35 (IG2) - I3-3 (E1) | BE - W-B | IN | Power source | Power switch on (IG) | 11 to 14 V |
| I3-1 (+B2) - I3-3 (E1) | L - W-B | IN | Power source | Power switch on (IG) | 11 to 14 V |
| I3-4 (ST2) - I3-3 (E1) | B - W-B | IN | Starter signal | Power switch on (IG) | 0 to 1.5 V |
| I3-18 (SSEN) - I3-3 (E1) | L - W-B | OUT | Solar charging permission signal | Solar charging permitted | 2.0 to 14.5 V |
| Solar charging prohibited | Below 2 V | ||||
| I3-27 (BATT) - I3-3 (E1) | GR - W-B | IN | Constant power source | Always | 10 to 14 V |
| I3-29 (ABFS) - I3-3 (E1) | B - W-B | IN | Airbag activation signal | Power switch on (READY) | Pulse generation (Waveform 8) |
| I3-30 (TC) - I3-3 (E1) | G - W-B | IN | Diagnosis terminal | Power switch on (IG) | 11 to 14 V |
| I3-33 (EVHV) - I3-3 (E1) | V - W-B | IN | HV/EV mode switch (pattern select switch assembly) signal | Power switch on (IG), HV/EV mode switch (pattern select switch assembly) not operated | 11 to 14 V |
| Power switch on (IG), HV/EV mode switch (pattern select switch assembly) operated | 0 to 1.5 V | ||||
| I3-34 (EVMS) - I3-3 (E1) | GR - W-B | IN | EV city switch (pattern select switch assembly) signal*1 | Power switch on (IG), EV city switch (pattern select switch assembly) not operated | 11 to 14 V |
| Power switch on (IG), EV city switch (pattern select switch assembly) operated | 0 to 1.5 V | ||||
| EV auto switch (pattern select switch assembly) signal*2 | Power switch on (IG), EV auto switch (pattern select switch assembly) not operated | 11 to 14 V | |||
| Power switch on (IG), EV auto switch (pattern select switch assembly) operated | 0 to 1.5 V | ||||
| I3-37 (PDRV) - I3-3 (E1) | G - W-B | IN | Drive mode select switch (pattern select switch assembly) signal | Power switch on (IG), drive mode select switch (pattern select switch assembly) not operated | 11 to 14 V |
| Power switch on (IG), drive mode select switch (pattern select switch assembly) operated | 0 to 1.5 V | ||||
| I3-44 (IGB) - I3-3 (E1) | LG - W-B | IN | Power source | Power switch on (IG) | 11 to 14 V |
| I3-46 (VSI4) - I3-49 (E2X2) | W - BE | IN | Shift sensor (VSX4) | Power switch on (IG), shift lever in home position | 0.68 to 1.62 V |
| Power switch on (IG), shift lever in D | 4.47 to 4.75 V | ||||
| Power switch on (IG), shift lever in N | 3.53 to 4.47 V | ||||
| Power switch on (IG), shift lever in R | 2.75 to 3.52 V | ||||
| Power switch on (IG), shift lever in B | 0.40 to 0.67 V | ||||
| I3-48 (VSI3) - I3-49 (E2X2) | B - BE | IN | Shift sensor (VSX3) | Power switch on (IG), shift lever in home position | 1.63 to 2.70 V |
| Power switch on (IG), shift lever in D | 3.53 to 4.17 V | ||||
| Power switch on (IG), shift lever in N | 2.45 to 3.52 V | ||||
| Power switch on (IG), shift lever in R | 1.63 to 2.45 V | ||||
| Power switch on (IG), shift lever in B | 0.98 to 2.45 V | ||||
| I3-50 (VSI2) - I3-51 (E2X1) | R - GR | IN | Shift sensor (VSX2) | Power switch on (IG), shift lever in home position | 2.45 to 3.52 V |
| Power switch on (IG), shift lever in D | 2.70 to 3.52 V | ||||
| Power switch on (IG), shift lever in N | 1.63 to 2.70 V | ||||
| Power switch on (IG), shift lever in R | 0.98 to 1.62 V | ||||
| Power switch on (IG), shift lever in B | 1.63 to 2.45 V | ||||
| I3-52 (VSI1) - I3-51 (E2X1) | BR - GR | IN | Shift sensor (VSX1) | Power switch on (IG), shift lever in home position | 3.53 to 4.47 V |
| Power switch on (IG), shift lever in D | 1.63 to 2.40 V | ||||
| Power switch on (IG), shift lever in N | 0.68 to 1.62 V | ||||
| Power switch on (IG), shift lever in R | 0.40 to 0.67 V | ||||
| Power switch on (IG), shift lever in B | 2.75 to 3.52 V | ||||
| I3-53 (VCX2) - I3-49 (E2X2) | L - BE | OUT | Shift sensor power source (VCX2) | Power switch on (IG) | 4.5 to 5.5 V |
| I3-54 (VCX1) - I3-51 (E2X1) | V - GR | OUT | Shift sensor power source (VCX1) | Power switch on (IG) | 4.5 to 5.5 V |
*1: w/ EV CITY switch
*2: w/ EV AUTO switch
Oscilloscope waveforms
Tech Tips
Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.
Waveform 1 (CAN communication signal)
| Item | Content |
|---|---|
| Terminal | CH1: A41-4 (HMCH) - I3-3 (E1) CH2: A41-14 (HMCL) - I3-3 (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).
Waveform 2 (Oil pump with motor assembly signal)
| Item | Content |
|---|---|
| Terminal | CH1: A41-21 (OPM1) - I3-3 (E1) CH2: A41-22 (NOPM) - I3-3 (E1) |
| Equipment Setting | 10 V/DIV., 20 ms./DIV. |
| Condition | Power switch on (READY), engine stopped |
Tech Tips
The wavelength will vary with the operating speed of the oil pump.
Waveform 3 (Inverter water pump assembly signal)
| Item | Content |
|---|---|
| Terminal | CH1: A41-34 (IWP) - I3-3 (E1) CH2: A41-33 (NIWP) - I3-3 (E1) |
| Equipment Setting | 5 V/DIV., 20 ms./DIV. |
| Condition | Power switch on (READY) |
Waveform 4 (CAN communication signal)
| Item | Content |
|---|---|
| Terminal | CH1: I2-7 (CA3P) - I3-3 (E1) CH2: I2-20 (CA3N) - I3-3 (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).
Waveform 5 (CAN communication signal)
| Item | Content |
|---|---|
| Terminal | CH1: I2-21 (CA1H) - I3-3 (E1) CH2: I2-8 (CA1L) - I3-3 (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).
Waveform 6 (CAN communication signal)
| Item | Content |
|---|---|
| Terminal | CH1: I2-9 (CA4H) - I3-3 (E1) CH2: I2-22 (CA4L) - I3-3 (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).
Waveform 7 (system main relay operation signal)
| Item | Content |
|---|---|
| Terminal | CH1: I2-15 (SMRP) - I2-12 (E01) CH2: I2-16 (SMRB) - I2-12 (E01) CH3: I2-13 (SMRG) - I2-12 (E01) |
| Equipment Setting | 10 V/DIV., 200 ms./DIV. |
| Condition | Power switch on (IG) → Power switch on (READY) |
Waveform 8 (airbag activation signal)
| Item | Content |
|---|---|
| Terminal | I3-29 (ABFS) - I3-3 (E1) |
| Equipment Setting | 5 V/DIV., 125 ms./DIV. |
| Condition | Power switch on (READY) |