Terminals Of Ecu

TCM

Fig 1: Identifying Terminals Of ECU

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT

Each TCM terminal standard voltage is shown in the table below

In the table, first follow the information under "Condition" Look under "Terminal No (Symbol)" for the terminals to be inspected The standard voltage between the terminals is shown under "Specified Condition"

Use the illustration above as a reference for the TCM terminals.

CONNECTOR TERMINAL REFERENCE

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
A58-3 (P) - A58-2 (E1)	W - W-B	Park position switch signal	Engine switch on (IG) and shift lever in P	11 to 14 V
A58-3 (P) - A58-2 (E1)	W - W-B	Park position switch signal	Engine switch on (IG) and shift lever not in P	Below 1 V
A58-11 (R) - A58-2 (E1)	G - W-B	R shift position switch signal	Engine switch on (IG) and shift lever in R	11 to 14 V
A58-11 (R) - A58-2 (E1)	G - W-B	R shift position switch signal	Engine switch on (IG) and shift lever not in R	Below 1 V
A58-10 (N) - A58-2 (E1)	G-R - W-B	N shift position switch signal	Engine switch on (IG) and shift lever in N	11 to 14 V
A58-10 (N) - A58-2 (E1)	G-R - W-B	N shift position switch signal	Engine switch on (IG) and shift lever not in N	Below 1 V
A58-20 (D) - A58-2 (E1)	G-Y - W-B	D shift position switch signal	Engine switch on (IG) and shift lever in D or M	11 to 14 V
A58-20 (D) - A58-2 (E1)	G-Y - W-B	D shift position switch signal	Engine switch on (IG) and shift lever not in D or M	Below 1 V
A58-23 (STP) - A58-2 (E1)	R-B - W-B	Stop light switch signal	Brake pedal is depressed	7 5 to 14 V
A58-23 (STP) - A58-2 (E1)	R-B - W-B	Stop light switch signal	Brake pedal is released	Below 1 V
E59-12 (THO1) - E59-13 (E2)	G-Y - BR	ATF temperature sensor signal	ATF temperature 115°C (239°F) or more	Below 1 5 V
E59-6 (SL1+) - E59-5 (SL1-)	B-Y-G	Shift solenoid valve SL1 signal	1st, 2nd, 3rd, 4th or 5th gear	Pulse generation (see awaveform 1)
E59-4 (SL2+) - E59-14 (SL2-)	G - W-Y	Shift solenoid valve SL2 signal	5th, 6th, 7th or 8th gear	Pulse generation (see bwaveform 2)
E59-26 (SL3+) - E59-25 (SL3-)	L - G-R	Shift solenoid valve SL3 signal	3rd or 7th gear	Pulse generation (see cwaveform 3)
E59-17 (SL4+) - E59-16 (SL4-)	L - W-W	Shift solenoid valve SL4 signal	4th or 6th gear	Pulse generation (see dwaveform 4)
E59-3 (SL5+) - E59-10 (SL5-)	V - GR	Shift solenoid valve SL5 signal	2nd or 8th gear	Pulse generation (see ewaveform 5)
E59-1 (SLT+) - E59-7 (SLT-)	P - G-B	Shift solenoid valve SLT signal	Engine idling	Pulse generation (see fwaveform 6)
E59-2 (SLU+) - E59-8 (SLU-)	L-Y - B-W	Shift solenoid valve SLU signal	D position 4th, 5th, 6th, 7th or 8th gear (Flex lock-up ON and Lock-up ON) M position 2nd, 3rd, 4th, 5th, 6th, 7th or 8th gear (Lock-up ON)	Pulse generation (see gwaveform 7)
E59-24 (SL) - A58-2 (E1)	L-R - W-B	Shift solenoid valve SL signal	D position 4th, 5th, 6th, 7th or 8th gear (Flex lock-up ON and Lock-up ON) M position 2nd, 3rd, 4th, 5th, 6th, 7th or 8th gear (Lock-up ON)	11 to 14 V
E59-15 (SR) - A58-2 (E1)	G - W-B	Shift solenoid valve SR signal	All gears	11 to 14 V
E59-21 (NTB) - A58-2 (E1)	Y - W-B	Power source for sensor (specific voltage)	Engine switch on (IG)	11 to 14 V
E59-20 (NTO) - A58-2 (E1)	L - W-B	Speed sensor NT signal	Engine idling (shift lever in P or N)	Pulse generation (see hwaveform 8)
E59-19 (NC3B) - A58-2 (E1)	G - W-B	Power source for sensor (specific voltage)	Engine switch on (IG)	11 to 14V
E59-18 (NC3O) - A58-2 (E1)	R - W-B	Speed sensor NC3 signal	1st, 3rd, 4th, 5th, 6th or 7th gear	Pulse generation (see iwaveform 9)
E59-23 (SP2B) - A58-2 (E1)	W - W-B	Power source for sensor (specific voltage)	Engine switch on (IG)	11 to 14 V
E59-22 (SP2O) - A58-2 (E1)	G - W-B	Speed sensor SP2 signal	Vehicle speed 20 km/h (12 mph)	Pulse generation (see jwaveform 10)
E59-9 (TPS1) - A58-2 (E1)	R-W - W-B	Oil pressure switch signal	6th to 8th gear	11 to 14 V
E59-9 (TPS1) - A58-2 (E1)	R-W - W-B	Oil pressure switch signal	1st to 5th gear	Below 1 V
A58-15 (STA) - A58-2 (E1)	L-R - W-B	Starter signal	Cranking (shift lever in P or N, engine switch start)	11 to 14 V
A58-15 (STA) - A58-2 (E1)	L-R - W-B	Starter signal	Engine switch on (IG) and shift lever P or N	Below 2 V
A58-16 (IG2) - A58-2 (E1)	R - W-B	Engine switch	Engine switch on (IG)	11 to 14 V
A58-6 (BATT) - A58-2 (E1)	L - W-B	Battery (for measuring battery voltage and for TCM memory)	Always	11 to 14 V
A58-5 (+B) - A58-2 (E1)	B-R - W-B	Power source of TCM	Engine switch on (IG)	11 to 14 V
A58-21 (CAN+) - A58-2 (E1)	B - W-B	CAN communication line	Engine switch on (IG)	Pulse generation (see kwaveform 11)
A58-13 (CAN-) - A58-2 (E1)	W - W-B	CAN communication line	Engine switch on (IG)	Pulse generation (see lwaveform 12)
A58-2 (E1) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
A58-1 (E01) - ground Body	W-B - Body ground	Ground	Always	Below 1 Ω

Using an oscilloscope, check waveform 1.

Reference

WAVEFORM REFERENCE 1

Item	Content
Terminal No (Symbol)	E59-6 (SL1+) - E59-5 (SL1-)
Tool setting	5 V/DIV, 1 msec/DIV
Condition	1st, 2nd, 3rd, 4th or 5th gear

Fig 2: Waveform Graph 1

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 2.

Reference

WAVEFORM REFERENCE 2

Item	Content
Terminal No (Symbol)	E59-4 (SL2+) - E59-14 (SL2-)
Tool setting	5 V/DIV, 1 msec/DIV
Condition	5th, 6th, 7th or 8th gear

Fig 3: Waveform Graph 2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 3

Reference

WAVEFORM REFERENCE 3

Item	Content
Terminal No (Symbol)	E59-26 (SL3+) - E59-25 (SL3-)
Tool setting	5 V/DIV, 1 msec/DIV
Condition	3rd or 7th gear

Fig 4: Waveform Graph 3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 4.

Reference

WAVEFORM REFERENCE 4

Item	Content
Terminal No (Symbol)	E59-17 (SL4+) - E59-16 (SL4-)
Tool setting	5 V/DIV, 1 msec/DIV
Condition	4th or 6th gear

Fig 5: Waveform Graph 4

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 5.

Reference

WAVEFORM REFERENCE 5

Item	Content
Terminal No (Symbol)	E59-3 (SL5+) - E59-10 (SL5-)
Tool setting	5 V/DIV, 1 msec /DIV
Condition	2nd or 8th gear

Fig 6: Waveform Graph 5

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 6

Reference

WAVEFORM REFERENCE 6

Item	Content
Terminal No (Symbol)	E59-1 (SLT+) - E59-7 (SLT-)
Tool setting	5 V/DIV, 1 msec /DIV
Condition	Engine idling

Fig 7: Waveform Graph 6

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 7.

Reference

WAVEFORM REFERENCE 7

Item	Content
Terminal No (Symbol)	E59-2 (SLU+) - E59-8 (SLU-)
Tool setting	5 V/DIV, 1 msec/DIV
Condition	D position 4th, 5th, 6th, 7th or 8th gear (Flex lock-up ON and Lock-up ON) M position 2nd, 3rd, 4th, 5th, 6th, 7th or 8th gear (Lock-up ON)

Fig 8: Waveform Graph 7

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 8

Reference

WAVEFORM REFERENCE 8

Item	Content
Terminal No (Symbol)	E59-20 (NTO) - A58-2 (E1)
Tool setting	1 V/DIV, 2 msec /DIV
Condition	Engine idling (shift lever in P or N)

Fig 9: Waveform Graph 8

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 9.

Reference

WAVEFORM REFERENCE 9

Item	Content
Terminal No (Symbol)	E59-18 (NC3O) - A58-2 (E1)
Tool setting	1 V/DIV, 2 msec /DIV
Condition	1st, 3rd, 4th, 5th, 6th or 7th gear

Fig 10: Waveform Graph 9

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check waveform 10.

Reference

WAVEFORM REFERENCE 10

Item	Content
Terminal No (Symbol)	E59-22 (SP2O) - A58-2 (E1)
Tool setting	1 V/DIV, 2 msec /DIV
Condition	Vehicle speed 20 km/h (12 mph)

Fig 11: Waveform Graph 10

Using an oscilloscope, check waveform 11.

Reference

WAVEFORM REFERENCE 11

Item	Content
Terminal No (Symbol)	A58-21 (CAN+) - A58-2 (E1)
Tool setting	1 V/DIV, 10 msec/DIV
Condition	Engine is stopped, engine switch on (IG)

Fig 12: Waveform Graph 12

Using an oscilloscope, check waveform 12.

Reference

WAVEFORM REFERENCE 12

Item	Content
Terminal No (Symbol)	A58-13 (CAN-) - A58-2 (E1)
Tool setting	1 V/DIV, 10 msec/DIV
Condition	Engine is stopped, engine switch on (IG)

ECM

Fig 13: Waveform Graph 12

Fig 14: Identifying ECM Connector

HINT

Each ECM terminal standard voltage is shown in the table below

CONNECTOR TERMINAL REFERENCE

Terminal No (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
A6-16 (S) - E6-1 (E1)	W-G - W-B	M shift position switch signal	Engine switch on (IG) and shift lever in M	11 to 14 V
A6-16 (S) - E6-1 (E1)	W-G - W-B	M shift position switch signal	Engine switch on (IG) and shift lever not in M	Below 1 V
A6-8 (SFTU) - E6-1 (E1)	Y - W-B	Up-shift shift position switch signal	Engine switch on (IG)	11 to 14 V
A6-8 (SFTU) - E6-1 (E1)	Y - W-B	Up-shift shift position switch signal	Engine switch on (IG) and shift lever in "+" (up-shift) Engine switch on (IG) and "+" paddle switch is operated	Below 1 V
A6-7 (SFTD) - E6-1 (E1)	R-B - W-B	Down-shift position switch signal	Engine switch on (IG)	11 to 14 V
A6-7 (SFTD) - E6-1 (E1)	R-B - W-B	Down-shift position switch signal	Engine switch on (IG) and shift lever in "-" (down-shift) Engine switch on (IG) and "-" paddle switch operated	Below 1 V
A5-14 (KD) - E6-1 (E1)	V - W-B	Kick-down switch signal	Engine switch on (IG) and Accelerator pedal depressed	Below 1 V
A5-14 (KD) - E6-1 (E1)	V - W-B	Kick-down switch signal	Engine switch on (IG) and Accelerator pedal released	11 to 14 V

Cowl Side Junction Block ECU (Main Body ECU)

Fig 15: Identifying Main Body ECU Connector Terminal

HINT

Each ECU terminal standard voltage is shown in the table below

In the table, first follow the information under "Condition" Look under "Terminal No. (Symbol)" for the terminals to inspected The standard voltage between the terminals is shown under "Specific Condition"

Use the illustration above as a reference for the ECU terminals

CONNECTOR TERMINAL REFERENCE

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
J75-18 (PWR) - Body ground	LG	SPORT switch signal	Engine switch on (IG) and pattern select switch pressed continuously (SPORT)	0 to 1 5 V
↑	↑	↑	Engine switch on (IG) and Pattern select switch released (SPORT)	Pulse generation *1
J75-17 (SNOW) - Body ground	P	SNOW switch signal	Engine switch on (IG) and pattern select switch pressed continuously (SNOW)	0 to 1 5 V
↑	↑	↑	Engine switch on (IG) and Pattern select switch released (SNOW)	Pulse generation *1
HINT. *1 Voltage is input intermittently as this is an intermittent circuit (Voltage varies between a peak of 7 5 to 14 V and a low of O to 1 5 V)