ELECTRONIC CONTROLLED AUTOMATIC TRANSMISSION SYSTEM

ECM (1KD-FTV w/ DPF)

Tech Tips

Each ECM terminal's standard voltage is shown in the table below.

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

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

Symbols (Terminals No.)	Wiring Color	Terminal Description	Condition	Specified Condition
NSW (D99-38) - E1 (D99-109)	B - W-B	Park neutral switch signal	Ignition switch ON and shift lever P and N position	Below 2 V
NSW (D99-38) - E1 (D99-109)	B - W-B	Park neutral switch signal	Ignition switch ON and shift lever except P and N position	11 to 14 V
STP (B73-35) - E1 (D99-109)	Y - W-B	Stop light switch signal	Brake pedal is depressed	7.5 to 14 V
STP (B73-35) - E1 (D99-109)	Y - W-B	Stop light switch signal	Brake pedal is released	Below 1.5 V
CAN+ (D99-40) - E1 (D99-109)	L - W-B	CAN communication line	Ignition switch ON	Pulse generation (See waveform 5)
CAN- (D99-63) - E1 (D99-109)	Y - W-B	CAN communication line	Ignition switch ON	Pulse generation (See waveform 6)
TC (B73-26) - E1 (D99-109)	G - W-B	Terminal TC of DLC3	Ignition switch ON	11 to 14 V

ECM (1KD-FTV w/o DPF)

Tech Tips

Each ECM terminal's standard voltage is shown in the table below.

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

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

Symbols (Terminals No.)	Wiring Color	Terminal Description	Condition	Specified Condition
NSW (D98-38) - E1 (D98-109)	B - W-B	Park neutral switch signal	Ignition switch ON and shift lever P and N position	Below 2 V
NSW (D98-38) - E1 (D98-109)	B - W-B	Park neutral switch signal	Ignition switch ON and shift lever except P and N position	11 to 14 V
STP (B72-35) - E1 (D98-109)	Y - W-B	Stop light switch signal	Brake pedal is depressed	7.5 to 14 V
STP (B72-35) - E1 (D98-109)	Y - W-B	Stop light switch signal	Brake pedal is released	Below 1.5 V
CAN+ (D98-40) - E1 (D98-109)	L - W-B	CAN communication line	Ignition switch ON	Pulse generation (See waveform 5)
CAN- (D98-63) - E1 (D98-109)	Y - W-B	CAN communication line	Ignition switch ON	Pulse generation (See waveform 6)
TC (B72-26) - E1 (D98-109)	G - W-B	Terminal TC of DLC3	Ignition switch ON	11 to 14 V

ECM (2KD-FTV)

Tech Tips

Each ECM terminal's standard voltage is shown in the table below.

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

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

Symbols (Terminals No.)	Wiring Color	Terminal Description	Condition	Specified Condition
NSW (D105-38) - E1 (D105-109)	B - BR	Park neutral switch signal	Ignition switch ON and shift lever P and N position	Below 2 V
NSW (D105-38) - E1 (D105-109)	B - BR	Park neutral switch signal	Ignition switch ON and shift lever except P and N position	11 to 14 V
STP (B88-35) - E1 (D105-109)	Y - BR	Stop light switch signal	Brake pedal is depressed	7.5 to 14 V
STP (B88-35) - E1 (D105-109)	Y - BR	Stop light switch signal	Brake pedal is released	Below 1.5 V
CAN+ (B88-4) - E1 (D105-109)	L - BR	CAN communication line	Ignition switch ON	Pulse generation (See waveform 5)
CAN- (B88-5) - E1 (D105-109)	Y - BR	CAN communication line	Ignition switch ON	Pulse generation (See waveform 6)
TC (B88-26) - E1 (D105-109)	G - BR	Terminal TC of DLC3	Ignition switch ON	11 to 14 V

TCM

Tech Tips

Each TCM terminal's standard voltage is shown in the table below.

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

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

Symbols (Terminals No.)	Wiring Color	Terminal Description	Condition	Specified Condition
P (O1-13) - E1 (O1-1)	W - W-B	P shift position switch signal	Ignition switch ON and shift lever P position	11 to 14 V
P (O1-13) - E1 (O1-1)	W - W-B	P shift position switch signal	Ignition switch ON and shift lever except P position	Below 1 V
N (O1-14) - E1 (O1-1)	GR - W-B	N shift position switch signal	Ignition switch ON and shift lever N position	11 to 14 V
N (O1-14) - E1 (O1-1)	GR - W-B	N shift position switch signal	Ignition switch ON and shift lever except N position	Below 1 V
D (O2-8) - E1 (O1-1)	W - W-B	D shift position switch signal	Ignition switch ON and shift lever D or 3 position	11 to 14 V
D (O2-8) - E1 (O1-1)	W - W-B	D shift position switch signal	Ignition switch ON and shift lever except D or 3 position	Below 1 V
L (O2-10) - E1 (O1-1)	R - W-B	L shift position switch signal	Ignition switch ON and shift lever L position	11 to 14 V
L (O2-10) - E1 (O1-1)	R - W-B	L shift position switch signal	Ignition switch ON and shift lever except L position	Below 1 V
2 (O2-11) - E1 (O1-1)	Y - W-B	2 shift position switch signal	Ignition switch ON and shift lever 2 position	11 to 14 V
2 (O2-11) - E1 (O1-1)	Y - W-B	2 shift position switch signal	Ignition switch ON and shift lever except 2 position	Below 1 V
R (O2-9) - E1 (O1-1)	L - W-B	R shift position switch signal	Ignition switch ON and shift lever R position	11 to 14 V
R (O2-9) - E1 (O1-1)	L - W-B	R shift position switch signal	Ignition switch ON and shift lever except R position	Below 1 V
3 (O2-12) - E1 (O1-1)	B - W-B	3 shift position switch signal	Ignition switch ON and shift lever 3 position	11 to 14 V
3 (O2-12) - E1 (O1-1)	B - W-B	3 shift position switch signal	Ignition switch ON and shift lever except 3 position	Below 1 V
STP (O3-14) - E1 (O1-1)	Y - W-B	Stop light switch signal	Brake pedal is depressed	7.5 to 14 V
STP (O3-14) - E1 (O1-1)	Y - W-B	Stop light switch signal	Brake pedal is released	Below 1.5 V
S2 (O1-17) - E1 (O1-1)	P - W-B	S2 solenoid signal	2nd or 3rd gear	11 to 14 V
S2 (O1-17) - E1 (O1-1)	P - W-B	S2 solenoid signal	1st or 4th gear	Below 1 V
S1 (O1-18) - E1 (O1-1)	LG - W-B	S1 solenoid signal	1st or 2nd gear	11 to 14 V
S1 (O1-18) - E1 (O1-1)	LG - W-B	S1 solenoid signal	3rd or 4th gear	Below 1 V
SLT+ (O1-20) - SLT- (O1-19)	V - W	SLT solenoid signal	Engine idling	Pulse generation (See waveform 1)
SL (O1-16) - E1 (O1-1)	GR - W-B	SL solenoid signal	Ignition switch ON	Below 1.5 V
SL (O1-16) - E1 (O1-1)	GR - W-B	SL solenoid signal	Vehicle driving under lock-up position	11 to 14 V
THOC (O1-24) - E2 (O1-23)	L - Y	ATF temperature sensor signal	No. 1 ATF temperature: 115°C (239°F) or more	Below 1.5 V
SP2+ (O1-30) - SP2- (O1-29)	R - G	Speed sensor (SP2) signal	Vehicle speed 20 km/h (12 mph)	Pulse generation (See waveform 3)
NC0+ (O1-3) - NC0- (O1-2)	L - Y	Speed sensor (NC0) signal	Engine idling (P or N position)	Pulse generation (See waveform 2)
NSW (O1-12) - E1 (O1-1)	B - W-B	Park neutral switch signal	Ignition switch ON and shift lever P and N position	Below 2 V
NSW (O1-12) - E1 (O1-1)	B - W-B	Park neutral switch signal	Ignition switch ON and shift lever except P and N position	11 to 14 V
STA (O1-11) - E1 (O1-1)	R - W-B	Starter signal	Cranking (shift lever position P or N position, engine Start)	6 V or more
STA (O1-11) - E1 (O1-1)	R - W-B	Starter signal	Ignition switch ON and shift lever except P and N position	11 to 14 V
SPD1 (O3-25) - E1 (O1-1)	P - W-B	Speed signal from combination meter	Vehicle speed 20 km/h (12 mph)	Pulse generation (See waveform 4)
BATT (O3-5) - E1 (O1-1)	B - W-B	Battery (for measuring battery voltage and for TCM memory)	Always	11 to 14 V
IG2 (O3-6) - E1 (O1-1)	B - W-B	Ignition switch	Ignition switch ON	11 to 14 V
CAN+ (O3-21) - E1 (O1-1)	L - W-B	CAN communication line	Engine is stopped, ignition switch ON	Pulse generation (See waveform 5)
CAN- (O3-20) - E1 (O1-1)	Y - W-B	CAN communication line	Engine is stopped, ignition switch ON	Pulse generation (See waveform 6)

Waveform 1

Reference:
Terminal	SLT+ - SLT-
Tool setting	5 V/DIV., 1ms/DIV.
Vehicle condition	Engine idling

Waveform 2

Reference:
Terminal	NC0+ - NC0-
Tool setting	5 V/DIV., 0.5 ms/DIV.
Vehicle condition	Engine idling (P or N position)

Waveform 3

Reference:
Terminal	SP2+ - SP2-
Tool setting	2 V/DIV., 20 ms/DIV.
Vehicle condition	Vehicle speed 20 km/h (12 mph)

Waveform 4

Reference:
Terminal	SPD1 - E1
Tool setting	5 V/DIV., 20 ms/DIV.
Vehicle condition	Vehicle speed 20 km/h (12 mph)

Waveform 5

Reference:
Terminal	CAN+ - E1
Tool setting	1 V/DIV., 10 ms/DIV.
Vehicle condition	Engine is stopped, ignition switch ON

Waveform 6

Reference:
Terminal	CAN- - E1
Tool setting	1 V/DIV., 10 ms/DIV.
Vehicle condition	Engine is stopped, ignition switch ON

ELECTRONIC CONTROLLED AUTOMATIC TRANSMISSION SYSTEM TERMINALS OF ECU