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Terminals Of Ecu

WARNING: This page is about a different variant/trim than selected.
Fig 1: Plugin Charge Control ECU Connector Terminal Identification
GTY386237Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION

*a Component without harness connected
(Plugin Charge Control ECU)		 - -
PLUGIN CHARGE CONTROL ECU

Terminal No.
(Symbol)		 Wiring Color Terminal Description Condition Specified Condition
A25-1 (DCS2)*1 - C26-14 (E1) R - BR Quick charge start/stop signal 2 Power switch on (IG), quick charging connector not connected 11 to 15.5 V
Quick charging connector connected 11 to 15.5 V
During quick charging (after insulation check) 0 to 1.5 V
Quick charging completed 11 to 15.5 V
A25-2 (DCS1)*1 - C26-14 (E1) GR - BR Quick charge start/stop signal 1 Power switch on (IG), quick charging connector not connected 0 to 1.5 V
Quick charging connector connected 0 to 1.5 V
Quick charger START button ON 11 to 15.5 V
Quick charging completed 0 to 1.5 V
A25-7 (DCC)*1 - C26-14 (E1) G - BR Quick charge connector connection confirmation signal Power switch on (IG), quick charging connector not connected 4.5 to 5.5 V
Quick charging connector connected 0 to 1.5 V
Quick charging start (not during CAN communication) 0 to 1.5 V
During quick charging (during CAN communication) 0 to 1.5 V
A25-8 (DCP)*1 - C26-14 (E1) L - BR Quick charge approval/prohibition signal Power switch on (IG), quick charging connector not connected 0 to 1.5 V
Immediately after start of quick charging (DCP OFF) 11 to 15.5 V
During quick charging (DCP ON) Below 6 V
Quick charging completed 11 to 15.5 V
A25-11 (+B2) - C26-14 (E1) B - BR Charging power source Power switch on (IG) 11 to 15.5 V
A25-12 (AM22) - C26-14 (E1) W - BR Constant power source Power switch off 11 to 15.5 V
A25-18 (CHRQ) - C26-14 (E1) R - BR Electric vehicle charger assembly operation request signal Normal charging 7.5 to 8.5 V
Power switch on (IG), not normal charging 0 to 1.5 V
A25-19 (DCV)*1 - A25-20 (DCG)*1 Y - SB Quick charge line monitor signal Power switch on (IG), quick charging connector not connected 3.0 to 3.6 V
Immediately after start of quick charging 3.0 to 3.6 V
During insulation check 0.8 to 1.7 V
During quick charging 0.8 to 1.7 V
Quick charging completed 3.0 to 3.6 V
A25-22 (ILMT) - C26-14 (E1) L - BR Electric vehicle charger assembly AC input current limit command signal Normal charging Pulse generation
(Waveform 1)
A25-23 (VAC) - A25-21 (CGND) B - V 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
A25-24 (ICHG) - A25-21 (CGND) R - V 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
Normal charging 1.64 to 7.0 V
A25-25 (VCHG) - A25-21 (CGND) W - V 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
Normal charging 1.72 to 6.0 V
A25-29 (CHST) - C26-14 (E1) Y - BR Electric vehicle charger assembly operation status Power switch on (IG) (charging stand-by) → Normal charging Pulse generation
(Waveform 2)
A25-30 (CHPW) - C26-14 (E1) G - BR Electric vehicle charger assembly output power command signal Normal charging Pulse generation
(Waveform 3)
C26-2 (PISW) - C26-3 (CPG) GR - LG 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
C26-4 (CHRB) - C26-27 (E01) R - W-B CHRB relay operation signal Power switch on (IG), electric vehicle charger cable assembly not connected 0 to 1.5 V
Normal charging 10 to 14 V
C26-5 (DFR2)*1 - C26-27 (E01) V - W-B DCRG relay operation signal Power switch on (IG), quick charging connector not connected 0 to 1.5 V
During quick charging (DCRG ON) 11 to 15.5 V
C26-6 (DFR1)*1 - C26-27 (E01) BE - W-B DCRB relay operation signal Power switch on (IG), quick charging connector not connected 0 to 1.5 V
During quick charging (DCRB ON) 11 to 15.5 V
C26-9 (PILB) - C26-14 (E1) GR - BR Charging indicator Power switch on (IG), electric vehicle charger cable assembly not connected 11 to 15.5 V
Plug-in charging 1.5 to 4.5 V
C26-10 (IG2) - C26-14 (E1) R - BR IG2 signal Power switch on (IG) 11 to 15.5 V
C26-11 (AM21) - C26-14 (E1) G - BR Constant power source Power switch off 11 to 15.5 V
C26-12 (CA4H) - C26-14 (E1) R*1 or SB - BR CAN communication signal
(Plug-in Bus)		 Power switch on (IG) Pulse generation
(Waveform 4)
C26-13 (CA4L) - C26-14 (E1) W - BR CAN communication signal
(Plug-in Bus)		 Power switch on (IG) Pulse generation
(Waveform 4)
C26-15 (CHRG) - C26-27 (E01) G - W-B CHRG relay operation signal Power switch on (IG), electric vehicle charger cable assembly not connected 0 to 1.5 V
Normal charging 10 to 14 V
C26-16 (PTML) - C26-14 (E1) R - BR Charging timer indicator Charging timer function is set (Charging timer indicator illuminated) 7 to 13 V
C26-17 (PTMS) - C26-14 (E1) B - BR Charging timer switch status Charging timer switch pressed 0 to 1.5 V
Charging timer switch not pressed 11 to 15.5 V
C26-21 (CPLT) - C26-3 (CPG) BR - LG Charge voltage judgment and allowable amperage recognition signals Normal charging Pulse generation
(Waveform 5)
C26-23 (+B1) - C26-14 (E1) B - BR Charging power source Power switch on (IG) 11 to 15.5 V
C26-24 (MREL) - C26-14 (E1) B - BR PIMR relay operation signal Power switch on (IG) 11 to 15.5 V
C26-25 (CA1H) - C26-14 (E1) G - BR CAN communication signal
(V1 Bus)		 Power switch on (IG) Pulse generation
(Waveform 6)
C26-26 (CA1L) - C26-14 (E1) W - BR CAN communication signal
(V1 Bus)		 Power switch on (IG) Pulse generation
(Waveform 6)
C26-29 (LDLP) - C26-14 (E1) L - BR Charging port lid switch signal Power switch off, charging port lid open 5 to 10 V
  1. Oscilloscope waveforms 

    HINT: 

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

    1. Waveform 1 (Electric vehicle charger assembly AC input current limit command signal)
      Item Content
      Terminal A25-22 (ILMT) - C26-14 (E1)
      Equipment Setting 5 V/DIV., 50 ms/DIV.
      Condition Normal charging

      HINT: 

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

      Fig 2: Identifying Waveform 1
      GTY333909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Waveform 2 (Electric vehicle charger assembly operation status)
      Item Content
      Terminal A25-29 (CHST) - C26-14 (E1)
      Equipment Setting 5 V/DIV., 50 ms/DIV.
      Condition Power switch on (IG) (charging stand-by) → Normal charging
      Fig 3: Identifying Waveform 2
      GTY338449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Power switch on (IG) (charging stand-by)
      *b Normal charging
    3. Waveform 3 (Electric vehicle charger assembly output power command signal)
      Item Content
      Terminal A25-30 (CHPW) - C26-14 (E1)
      Equipment Setting 5 V/DIV., 50 ms/DIV.
      Condition Normal charging

      HINT: 

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

      Fig 4: Identifying Waveform 3
      GTY333909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Waveform 4 (CAN communication signal (Plug-in Bus)
      Item Content
      Terminal CH1: C26-12 (CA4H) - C26-14 (E1)
      CH2: C26-13 (CA4L) - C26-14 (E1)
      Equipment Setting 1 V/DIV., 50 μs/DIV.
      Condition Power switch on (IG)

      HINT: 

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

      Fig 5: Identifying Waveform 4
      GTY324578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Waveform 5 (Charge voltage judgment and allowable amperage recognition signals)
      Item Content
      Terminal C26-21 (CPLT) - C26-3 (CPG)
      Equipment Setting 5 V/DIV., 500 μs/DIV.
      Condition Normal charging

      HINT: 

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

      Fig 6: Identifying Waveform 5
      GTY327789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Waveform 6 (CAN communication signal (V1 Bus)
      Item Content
      Terminal CH1: C26-25 (CA1H) - C26-14 (E1)
      CH2: C26-26 (CA1L) - C26-14 (E1)
      Equipment Setting 1 V/DIV., 50 μs/DIV.
      Condition Power switch on (IG)

      HINT: 

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

      Fig 7: Identifying Waveform 6
      GTY324578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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