PLUG-IN CHARGE CONTROL SYSTEM TERMINALS OF ECU

A004316E05
Text in Illustration
*a

Component without harness connected

(Plugin Charge Control ECU Assembly)

 - -
Plugin charge control ECU assembly

Terminal No.

(Symbol)

 Wiring Color Terminal Description Condition Specified Condition
z12-18 (CHRQ) - S21-14 (E1) - W-B Electric vehicle charger assembly operation request signal Plug-in charging 7.5 to 8.5 V
Power switch on (IG), not plug-in charging 0 to 1.5 V
z12-22 (ILMT) - S21-14 (E1) - W-B Electric vehicle charger assembly AC input current limit command signal Plug-in charging

Pulse generation

(Waveform 1)
z12-23 (VAC) - z12-21 (CGND) - Electric vehicle charger assembly AC input side voltage sensor Power switch on (IG), electric vehicle charger cable assembly not connected 4.83 to 6.16 V
z12-24 (ICHG) - z12-21 (CGND) - Electric vehicle charger assembly output side current sensor Power switch on (IG), electric vehicle charger cable assembly not connected 1.64 to 2.36 V
Plug-in charging 1.64 to 7.0 V
z12-25 (VCHG) - z12-21 (CGND) - Electric vehicle charger assembly output side voltage sensor Power switch on (IG), electric vehicle charger cable assembly not connected 1.72 to 2.22 V
Plug-in charging 1.72 to 6.0 V
z12-29 (CHST) - S21-14 (E1) - W-B Electric vehicle charger assembly operation status Power switch on (IG) (charging stand-by) → Plug-in charging

Pulse generation

(Waveform 2)
z12-30 (CHPW) - S21-14 (E1) - W-B Electric vehicle charger assembly output power command signal Plug-in charging

Pulse generation

(Waveform 3)
S21-2 (PISW) - S21-3 (CPG) R - Y Charging connector connection signal Power switch on (IG), electric vehicle charger cable assembly not connected 4.2 to 4.8 V
Power switch on (IG), electric vehicle charger cable assembly connected and latch release button (PI switch) pressed 2.5 to 3.1 V
Power switch on (IG), electric vehicle charger cable assembly connected and latch release button (PI switch) not pressed 1.2 to 1.8 V
S21-4 (CHRB) - S21-27 (E01) SB - W-B CHRB relay operation signal Power switch on (IG), electric vehicle charger cable assembly not connected 0 to 1.5 V
Plug-in charging 10 to 14 V
S21-9 (PILB) - S21-14 (E1) B - W-B Charging indicator Power switch on (IG), charging indicator turned off 11 to 14 V
Charging, charging indicator illuminated 1.5 to 4.5 V
S21-10 (IG2) - S21-14 (E1) R - W-B IG2 signal Power switch on (IG) 11 to 14 V
S21-11 (AM21) - S21-14 (E1) SB - W-B Constant power source Power switch on (IG) 11 to 14 V
S21-12 (CA4H) - S21-14 (E1) L - W-B

CAN communication signal

(Plug-in Bus)

 Power switch on (IG)

Pulse generation

(Waveform 4)
S21-13 (CA4L) - S21-14 (E1) W - W-B

CAN communication signal

(Plug-in Bus)

 Power switch on (IG)

Pulse generation

(Waveform 4)
S21-15 (CHRG) - S21-27 (E01) P - W-B CHRG relay operation signal Power switch on (IG), electric vehicle charger cable assembly not connected 0 to 1.5 V
Plug-in charging 10 to 14 V
S21-16 (PTML) - S21-14 (E1) G - W-B Charging timer indicator Charging timer function is set (Charging timer indicator illuminated) 7 to 13 V
S21-17 (PTMS) - S21-14 (E1) V - W-B Charging timer switch status Charging timer switch pressed 0 to 1.5 V
Charging timer switch not pressed 11 to 14 V
S21-21 (CPLT) - S21-3 (CPG) G - Y Charge voltage judgment and allowable amperage recognition signals Plug-in charging

Pulse generation

(Waveform 5)
S21-23 (+B1) - S21-14 (E1) B - W-B Charging power source Power switch on (IG) 11 to 14 V
S21-24 (MREL) - S21-14 (E1) W - W-B PIMR relay operation signal Power switch on (IG) 11 to 14 V
S21-25 (CA1H) - S21-14 (E1) B - W-B

CAN communication signal

(V1 Bus)

 Power switch on (IG)

Pulse generation

(Waveform 6)
S21-26 (CA1L) - S21-14 (E1) W - W-B

CAN communication signal

(V1 Bus)

 Power switch on (IG)

Pulse generation

(Waveform 6)
S21-29 (LDLP) - S21-14 (E1) V - W-B Charging port lid switch signal Power switch on (IG), charging port lid open 5 to 10 V

  1. Oscilloscope waveforms

    Tech Tips

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


    1. A0042Z4E01

      Waveform 1 (Electric vehicle charger assembly AC input current limit command signal)

      Item Content
      Terminal z12-22 (ILMT) - S21-14 (E1)
      Equipment Setting 5 V/DIV., 50 ms/DIV.
      Condition Plug-in charging

      Tech Tips

      Duty ratio varies by the AC input current limit value of the electric vehicle charger assembly.

    2. A0040NWE01
      Text in Illustration
      *a Power switch on (IG) (charging stand-by)
      *b Plug-in charging

      Waveform 2 (Electric vehicle charger assembly operation status)

      Item Content
      Terminal z12-29 (CHST) - S21-14 (E1)
      Equipment Setting 5 V/DIV., 50 ms/DIV.
      Condition Power switch on (IG) (charging stand-by) → Plug-in charging
    3. A0042Z4E01

      Waveform 3 (Electric vehicle charger assembly output power command signal)

      Item Content
      Terminal z12-30 (CHPW) - S21-14 (E1)
      Equipment Setting 5 V/DIV., 50 ms/DIV.
      Condition Plug-in charging

      Tech Tips

      Duty ratio varies by the output power command value of the electric vehicle charger assembly.

    4. A00401GE06

      Waveform 4 (CAN communication signal (Plug-in Bus))

      Item Content
      Terminal

      CH1: S21-12 (CA4H) - S21-14 (E1)

      CH2: S21-13 (CA4L) - S21-14 (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).

    5. A0043MYE01

      Waveform 5 (Charge voltage judgment and allowable amperage recognition signals)

      Item Content
      Terminal S21-21 (CPLT) - S21-3 (CPG)
      Equipment Setting 5 V/DIV., 500 μs/DIV.
      Condition Plug-in charging

      Tech Tips

      Duty ratio varies by the AC input allowable amperage of the charging cable and charging stand.

    6. A00401GE06

      Waveform 6 (CAN communication signal (V1 Bus))

      Item Content
      Terminal

      CH1: S21-25 (CA1H) - S21-14 (E1)

      CH2: S21-26 (CA1L) - S21-14 (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).