Terminals Of Ecu [10/2022 - 08/2023]

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TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
C35-1 (IGP) - C35-9 (E1)	Shift control ECU start signal	Ignition switch ON	11 to 14 V
C35-2 (BATT) - C35-9 (E1)	Auxiliary battery supply power (normal supply power)	Always	11 to 14 V
C35-3 (IGCT) - C35-9 (E1)	Shift control ECU start signal	Ignition switch ON	11 to 14 V
C35-4 (BL) - C35-9 (E1)	Back-up light relay operation signal	Shift state R	11 to 14 V
C35-4 (BL) - C35-9 (E1)	Back-up light relay operation signal	shift state other than R	Below 1 V
C35-5 (WAKE) - C35-9 (E1)	Shift actuator ECU start signal	Ignition switch ON	11 to 14 V
C35-6 (CA3L) - C35-9 (E1)	CAN communication signal (Battery ECU local bus)	Ignition switch ON	Pulse generation (Waveform 1)
C35-7 (PPOS) - C35-9 (E1)	Shift state signal	Ignition switch ON, shift state P	Pulse generation (Waveform 2)
C35-8 (DROP) - C35-9 (E1)	Door lock signal	Ignition switch ON, driver door open	Below 1 V
C35-8 (DROP) - C35-9 (E1)	Door lock signal	Ignition switch ON, driver door closed	11 to 14 V
C35-9 (E1) - Body ground	Ground	Always	Below 1 Ω
C35-10 (CA4L) - C35-9 (E1)	CAN communication signal (SBW local bus)	Ignition switch ON	Pulse generation (Waveform 3)
C35-11 (STP) - C35-9 (E1)	Stop light switch signal	Stop light switch ON (Brake pedal depressed)	7 V or higher
C35-11 (STP) - C35-9 (E1)	Stop light switch signal	Stop light switch OFF (Brake pedal released)	Below 2 V
C35-13 (BUB) - C35-9 (E1)	Integration control supply (integrated capacitor) power supply	Ignition switch ON	8 to 14 V
C35-14 (FS) - C35-9 (E1)	Shift control actuator fail-safe signal	Ignition switch ON	Pulse generation (Waveform 4)
C35-15 (CA1H) - C35-9 (E1)	CAN communication signal (Powertrain Bus)	Ignition switch ON	Pulse generation (Waveform 5)
C35-16 (CA1L) - C35-9 (E1)	CAN communication signal (Powertrain Bus)	Ignition switch ON	Pulse generation (Waveform 5)
C35-17 (BUBI) - C35-9 (E1)	Integration control supply (integrated capacitor) communication signal	Ignition switch ON	Pulse generation (Waveform 6)
C35-19 (SBFS) - C35-9 (E1)	Fail-safe signal	Ignition switch ON	Pulse generation (Waveform 7)
C35-20 (BUBO) - C35-9 (E1)	Integration control supply (integrated capacitor) communication signal	Ignition switch ON	Pulse generation (Waveform 8)
C35-21 (CA3H) - C35-9 (E1)	CAN communication signal (Battery ECU local bus)	Ignition switch ON	Pulse generation (Waveform 1)
C35-23 (E12) - Body ground	Ground	Always	Below 1 Ω
C35-24 (CA4H) - C35-9 (E1)	CAN communication signal (SBW local bus)	Ignition switch ON	Pulse generation (Waveform 3)

HINT:

As the above standard values are based on the specified condition when the auxiliary battery voltage is between 11 and 14 V, the values may vary depending on the actual auxiliary battery condition.

Oscilloscope waveforms

HINT:

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: C35-21 (CA3H) - C35-9 (E1) CH2: C35-6 (CA3L) - C35-9 (E1)
Equipment Setting	1 V/DIV., 10 μs/DIV.
Condition	Ignition switch ON

Fig 1: Waveform 1

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

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

Waveform 2 (Shift state signal)

Item	Content
Terminal	C35-7 (PPOS) - C35-9 (E1)
Equipment Setting	10 V/DIV., 10 ms/DIV.
Condition	Ignition switch ON, shift state P

Fig 2: Waveform 2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The waveform differs depending on the shift state.

Waveform 3 (CAN communication signal)

Item	Content
Terminal	CH1: C35-24 (CA4H) - C35-9 (E1) CH2: C35-10 (CA4L) - C35-9 (E1)
Equipment Setting	1 V/DIV., 10 μs/DIV.
Condition	Ignition switch ON

Fig 3: Waveform 3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

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

Waveform 4 (Shift control actuator fail-safe signal)

Item	Content
Terminal	C35-14 (FS) - C35-9 (E1)
Equipment Setting	10 V/DIV., 20ms/DIV.
Condition	Ignition switch ON

Fig 4: Waveform 4

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The waveform will differ when the shift control ECU is malfunctioning.

Waveform 5 (CAN communication signal)

Item	Content
Terminal	CH1: C35-15 (CA1H) - C35-9 (E1) CH2: C35-16 (CA1L) - C35-9 (E1)
Equipment Setting	1 V/DIV., 10 μs/DIV.
Condition	Ignition switch ON

Fig 5: Waveform 5

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

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

Waveform 6 (Integration control supply (integrated capacitor) communication signal)

Item	Content
Terminal	C35-17 (BUBI) - C35-9 (E1)
Equipment Setting	10 V/DIV., 10 ms/DIV.
Condition	Ignition switch ON

Fig 6: Waveform 6

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The duty ratio may differ depending on the communication contents of the integrated capacitor.

Waveform 7 (Fail-safe signal)

Item	Content
Terminal	C35-19 (SBFS) - C35-9 (E1)
Equipment Setting	10 V/DIV., 20ms/DIV.
Condition	Ignition switch ON

Fig 7: Waveform 7

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The waveform will differ when the shift control ECU is malfunctioning.

Waveform 8 (Integration control supply (integrated capacitor) communication signal)

Item	Content
Terminal	C35-20 (BUBO) - C35-9 (E1)
Equipment Setting	10 V/DIV., 10 ms/DIV.
Condition	Ignition switch ON

Fig 8: Waveform 8

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The duty ratio may differ depending on the communication contents of the integrated capacitor.

SHIFT CONTROL ACTUATOR ASSEMBLY (SHIFT ACTUATOR ECU)

HINT:

As the shift control actuator assembly (shift actuator ECU) uses a waterproof connector, inspection of the resistance, voltage and waveform cannot be performed.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
B56-1 (MA1) - B56-2 (E01)	Motor supply power (normal supply power)	Always	11 to 14 V
B56-2 (E01) - Body ground	Ground	Always	Below 1 Ω
B56-3 (CA3L) - B56-2 (E01)	CAN communication signal (Battery ECU local bus)	Ignition switch ON	Pulse generation (Waveform 1)
B56-4 (CA3H) - B56-2 (E01)	CAN communication signal (Battery ECU local bus)	Ignition switch ON	Pulse generation (Waveform 1)
B56-5 (IGC1) - B56-2 (E01)	Shift actuator ECU start signal	Ignition switch ON	11 to 14 V
B56-6 (MA2) - B56-2 (E01)	Motor supply power (integrated capacitor supply power)	Ignition switch ON	8 to 14 V
B56-7 (E02) - Body ground	Ground	Always	Below 1 Ω
B56-8 (BUB1) - B56-2 (E01)	Integration control supply (integrated capacitor) power supply	Ignition switch ON	8 to 14 V
B57-3 (CA4L) - B56-2 (E01)	CAN communication signal (SBW local bus)	Ignition switch ON	Pulse generation (Waveform 2)
B57-4 (CA4H) - B56-2 (E01)	CAN communication signal (SBW local bus)	Ignition switch ON	Pulse generation (Waveform 2)
B57-5 (WAKE) - B56-2 (E01)	Shift actuator ECU start signal	Ignition switch ON	11 to 14 V
B57-6 (FS) - B56-2 (E01)	Shift control actuator fail-safe signal	Ignition switch ON	Pulse generation (Waveform 3)
B57-8 (BAT1) - B56-2 (E01)	Auxiliary battery supply power (normal supply power)	Always	11 to 14 V

HINT:

As the above standard values are based on the specified condition when the auxiliary battery voltage is between 11 and 14 V, the values may vary depending on the actual auxiliary battery condition.

Oscilloscope waveforms

HINT:

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: B56-4 (CA3H) - B56-2 (E01) CH2: B56-3 (CA3L) - B56-2 (E01)
Equipment Setting	1 V/DIV., 10 μs/DIV.
Condition	Ignition switch ON

Fig 9: Waveform 1

HINT:

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

Waveform 2 (CAN communication signal)

Item	Content
Terminal	CH1: B57-4 (CA4H) - B56-2 (E01) CH2: B57-3 (CA4L) - B56-2 (E01)
Equipment Setting	1 V/DIV., 10 μs/DIV.
Condition	Ignition switch ON

Fig 10: Waveform 2

HINT:

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

Waveform 3 (Shift control actuator fail-safe signal)

Item	Content
Terminal	B57-6 (FS) - B56-2 (E01)
Equipment Setting	5 V/DIV., 20 ms/DIV.
Condition	Ignition switch ON

Fig 11: Waveform 3

HINT:

The waveform will differ when the shift actuator ECU is malfunctioning.