Pin Voltage Charts

Fig 1: ECM Terminal ID - 4-Cylinder 4WD Automatic Transmission

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: ECM Terminal ID - 4-Cylinder 4WD Manual Transmission

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: ECM Terminal ID - 4-Cylinder 2WD Manual Transmission

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2.4L 4-CYLINDER A/T 4WD 22-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
BATT 1 Black/Green	Battery	9-14V At All Times
2	Blank	N/A
3	Blank	N/A
4	Blank	N/A
W 5 Violet	Warning Indicator	9-14V with Engine Running, Light Off
STP 6 Green/White	Stoplight Switch	7.5-14V with Switch On
7	Blank	N/A
8	Blank	N/A
SPD 9 Green/Blue	Speed Sensor	N/A
10	Blank	N/A
STA 11 Black/Yellow	Starter Signal	6-12V with Ignition InStart
+B 12 White/Red	EFI Main Relay	9-14V with Ignition On
+B1 13 White/Red	EFI Main Relay	9-14V with Ignition On
14	Blank	N/A
E21 15 Brown/Black	Sensor Ground	N/A
16	Blank	N/A
17	Blank	N/A
18	Blank	N/A
19	Blank	N/A
DG 20 Violet	Check Connector	N/A
21	Blank	N/A
22	Blank	N/A

2.4L 4-CYLINDER A/T 4WD 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
VCC 1 Green/Yellow	Throttle Position Sensor	4.5-5.5V w/ Ignition On
VS 2 Yellow/Blue	Airflow Meter	.5-2.5V w/ Ignition On,Measuring Plate Closed 5-10V w/ Ignition On, Measuring Plate Open 2-8V At Idle
THA 3 Yellow/Green	Intake Air Temperature Sensor	.5-3.4V w/ Ignition On,Intake Air Temp 68°F (20°C)
THW 4 Green/Blue	Engine Coolant	.2-1V w/ Ignition On, Coolant Temp 176°F (80°C)
OX2 5 White	Sub-Oxygen Sensor	N/A
OX1 6 Black	Main Oxygen Sensor	N/A
KNK 7 Black	Knock Sensor	N/A
VF 8 Yellow	Check Connector	N/A
E2 9 Brown/Black	Sensor Ground	N/A
VC 10 Green/Black	Airflow Meter	6-10V with Ignition On
VTA 11 Yellow	Throttle Position Sensor	.3-.8V w/ Ignition On, Throttle Valve Closed 3.2-4.9 w/ Ignition On,Throttle Valve Open
IDL 12 Yellow/Blue	Throttle Position Sensor	9-14V w/ Ignition On, Throttle Valve Open
THG 13 Green/White	EGR Gas Temperature Sensor	N/A
TE2 14 Violet/Green	Check Connector	N/A
T 15 Violet/White	Check Connector	N/A
16	Blank	N/A

2.4L 4-CYLINDER A/T 4WD 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
STJ 1 Green	Cold Start Injector	6-12V w/ Ignition in Start, Coolant Temp 176°F (80°C)
HT1 2 Pink/Green	Main Oxygen Sensor	N/A
IGF 3 Black/Yellow	Ignitor	N/A
NE 4 Black/Orange	Distributor	N/A
S3 5 Red/Green	No. 3 A/T Solenoid	N/A
S2 6 Red/White	No. 2 A/T Solenoid	N/A
S1 7 Blue/Red	No. 1 A/T Solenoid	N/A
EGR 8 Pink	EGR VSV	N/A
AS 9 Green/red	Air Suction VSV	N/A
FPU 10 Green	Fuel Pressure VSV	N/A
No. 20 11 White	Fuel Injector	9-14V with Ignition On
No. 10 12 White/Red	Fuel Injector	9-14V with Ignition On
EO1 13 Brown	Engine Ground	N/A
E1 14 Brown	Engine Ground	N/A
HT2 15 Red/Green	Sub-Oxygen Sensor (Calif)	N/A
SP2 16 Blue	Speed Sensor	N/A
17	Blank	N/A
18	Blank	N/A
19	Blank	N/A
IGT 20 Black/Blue	Ignitor	.7-1V w/ Engine Idling
L 21 Violet/Green	A/T Selector Switch	N/A
2 22 Pink/Green	A/T Selector Switch	N/A
N 23 Violet/Red	A/T Selector Switch	N/A
24	Blank	N/A
25	Blank	N/A
EO2 26 Brown	Engine Ground	N/A

2.4L 4-CYLINDER M/T 4WD 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
THA 1 Yellow/Green	Intake Air Temperature Sensor	.5-3.4V w/ Ignition On, Intake Air Temp 68°F (20°C)
VS 2 Yellow/Blue	Airflow Meter	.5-2.5V w/ Ignition On, Measuring Plate Closed 5-10V w/ Ignition On, Measuring Plate Open 2-8V at Idle
VC 3 Green/Black	Airflow Meter	6-10V with Ignition On
THW 4 Green/Blue	Engine Coolant Temperature Sensor	.2-1V w/ Ignition On, Coolant Temp 176°F (80°C)
OX2 5 White	Sub-Oxygen Sensor	N/A
OX1 6 Black	Main Oxygen Sensor	N/A
TE2 7 Violet/Green	Check Connector	N/A
VF 8 Yellow	Check Connector	N/A
E2 9 Brown/Black	Sensor Ground	N/A
VTA 10 Yellow	Throttle Position Sensor	.3-.8V w/ Ignition On, Throttle Valve Closed 3.2-4.9V w/ Ignition On,Throttle Valve Open
VCC 11 Green/Yellow	Throttle Position Sensor	4.5-5.5V w/ Ignition On
IDL 12 Yellow/Blue	Throttle Position Sensor	9-14V w/ Ignition On, Throttle Valve Open
THG 13 Green/White	EGR Gas Temperature Sensor	N/A
KNK 14 Black	Knock Sensor	N/A
T 15 Violet/White	Check Connector	N/A
E21 16 Brown/Black	Sensor Ground	N/A

2.4L 4-CYLINDER M/T 4WD 12-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
+B1 1 White/Red	EFI Main Relay	9-14V with Ignition On
BATT 2 Black/Green	Battery	9-14V At All Times
3	Blank	N/A
4	Blank	N/A
5	Blank	N/A
6	Blank	N/A
+B 7 White/Red	EFI Main Relay	9-14V with Ignition On
W 8 Violet	Warning Indicator	9-14V with Engine Running, Light Off
9	Blank	N/A
10	Blank	N/A
SPD 11 Green/Blue	Speed Sensor	N/A
STP 12 Green/White	Stoplight Switch	7.5-14V with Switch On

2.4L 4-CYLINDER M/T 4WD 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
1	Blank	N/A
STA 2 Red/White	Starter Signal	6-12V w/ Ignition in Start
IGF 3 Black/Yellow	Ignitor	N/A
NE 4 Black/Orange	Distributor	N/A
5	Blank	N/A
6	Blank	N/A
7	Blank	N/A
8	Blank	N/A
AS 9 Green/Red	Air Suction VSV	N/A
FPU 10 Green	Fuel Pressure VSV	N/A
STJ 11 Green	Cold Start Injector	6-12V w/ Ignition in Start, Coolant Temp 176°F (80°C)
No. 10 12 White/Red	Fuel Injector	9-14V with Ignition On
EO1 13 Brown	Engine Ground	N/A
HT2 14 Red/Green	Sub-Oxygen Heater (Calif)	N/A
NSW 15 Black/White	Neutral/Start Switch	N/A
16	Blank	N/A
17	Blank	N/A
18	Blank	N/A
19	Blank	N/A
20	Blank	N/A
21	Blank	N/A
IGT 22 Black/Blue	Ignitor	.7-1V at Idle
EGR 23 Pink	EGR VSV	N/A
E1 24 Brown	Engine Ground	N/A
No. 20 25 White	Fuel Injector	9-14V with Ignition On
EO2 26 Brown	Engine Ground	N/A

2.4L 4-CYLINDER 2WD 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
HT1 1 Pink/Green	Main Oxygen Sensor	N/A
NSW 2 Black/White	Neutral/Start Switch	N/A
THW 3 Green/Blue	Engine Coolant Temperature Sensor	.2-1V w/ Ignition On, Coolant Temp 176°F (80°C)
VS 4 Yellow/Blue	Airflow Meter	.5-2.5V w/ Ignition On, Measuring Plate Closed 5-10V w/ Ignition On, Measuring Plate Open 2-8V at Idle
VC 5 Green/Black	Airflow Meter	6-10V w/ Ignition In Start
IGT 6 Black/Blue	Ignitor	.7-1V at Idle
IGF 7 Black/Yellow	Ignitor	N/A
8	Blank	N/A
9	Blank	N/A
OX1 10 Black	Main Oxygen Sensor	N/A
STA 11 Red/White	Starter Signal	6-12V with Ignition In Start
No. 10A 12 White/Red	Fuel Injector	9-14V with Ignition On
EO1 13 Brown	Engine Ground	N/A
HT2 14 Red/Green	Sub-Oxygen Sensor	N/A
STJ 15 Green	Cold Start Injector	6-12V with Ignition In Start, Coolant Temp 176°F (80°C)
E2 16 Brown/Black	Sensor Ground	N/A
VTA 17 Yellow	Throttle Position Sensor	.3-.8V w/ Ignition On, Throttle Valve Closed 3.2-4.9V w/ Ignition On,Throttle Valve Closed
VCC 18 Green/Yellow	Throttle Position Sensor	4.5-5.5V w/ Ignition On
IDL 19 Yellow/Blue	Throttle Position Sensor	9-14V w/ Ignition On, Throttle Valve Open
THA 20 Yellow/Green	Intake Air Temperature Sensor	.5-3.4V w/ Ignition On, Intake Air Temp 68°F (20°C)
NE 21 Black/Orange	Distributor	N/A
THG 22 Green/White	EGR Gas Temperature Sensor	N/A
OX2 23 White	Sub-Oxygen Sensor	N/A
E1 24 Brown	Engine Ground	N/A
No. 20 25 White	Fuel Injector	9-14V with Ignition On
EO2 26 Brown	Engine Ground	N/A

2.4L 4-CYLINDER 2WD 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color	Function/ Description	Voltage Value
+B1 1 White/Red	EFI Main Relay	9-14V with Ignition On
BATT 2 Black/Green	Battery	9-14V At All Times
3	Blank	N/A
4	Blank	N/A
EGR 5 Pink	EGR VSV	N/A
FPU 6 Green	Fuel Pressure VSV	N/A
TE2 7 Violet/Green	Check Connector	N/A
T 8 Violet/White	Check Connector	N/A
+B 9 White/Red	EFI Main Relay	9-14V with Ignition On
W 10 Violet	Warning Indicator	9-14V with Engine Running, Light Off
E21 11 Brown/Black	Sensor Ground	N/A
STP 12 Green/White	Stoplight Switch	7.5-14V with Switch On
SPD 13 Green/Blue	Speed Sensor	N/A
14	Blank	N/A
AS 15 Green/Red	Air Suction VSV	N/A
VF 16 Yellow	Check Connector	N/A

Fig 4: ECM Terminal ID - 3.0L

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

3.0L V6 22-PIN CONNECTOR CHART

Terminal ID No./Wire Color

Function/ Description

Voltage Value

BATT 1 Black/Green

Battery

9-14 Volts At All Times

Blank

N/A

Blank

N/A

OIL 4 Blue/White

Auto Trans Temperature Indicator

N/A

W 5 Violet

Warning Indicator

9-14 Volts With Engine Running, Light Off

STP 6 Green/White

Stoplight Switch

7.5-14 Volts With Switch On

PWR/P 7 Green/Orange

⁽¹⁾ ECT Pattern Select Switch

N/A

4WD 8 Green/White

4WD Indicator

N/A

SP1 9 Green/Blue

Speed Sensor

N/A

A/C Or ACA 10 Black/White

A/C Amplifier

N/A

STA 11 Black/Yellow Or Black/White

Starter Signal

6 Volts Or More With EngineCranking

+B 12 White/Red

EFI Main Relay

9-14 Volts With Ignition On

+B1 13 White Red

EFI Main Relay

9-14 Volts With Ignition On

Blank

N/A

E21 15 Brown/Black

Sensor Ground

N/A

OD2 16 Yellow/Green

Overdrive Indicator

N/A

SEL2 17 Brown

Ground

N/A

SEL1 18 Brown

Ground

N/A

ACT 19 Black/Red

A/C Amplifier

N/A

DG 20 Yellow/White

Check Connector

N/A

OD1 21 Yellow/Red

Cruise Control ECM

N/A

Blank

N/A

⁽¹⁾	Electronically Controlled Transmission (ECT).

3.0L V6 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color

Function/ Description

Voltage Value

NE 1 White

Distributor

N/A

G1 2 Red

Distributor

N/A

IGF 3 Black/Yellow

Ignitor

N/A

S4 4 Green/Red

⁽¹⁾ ECT Solenoid

N/A

S3 5 Red/Green

⁽¹⁾ ECT Solenoid

N/A

S2 6 Red/White

⁽¹⁾ ECT Solenoid

N/A

S1 7 Blue/Red

⁽¹⁾ ECT Solenoid

N/A

FPU 8 Green

Fuel Pressure Up VSV

N/A

STJ 9 Green

Cold Start Injector

6 Volts Or More With Engine Cranking, Coolant Temp176°F (80°C)

HT 10 Pink/Green

Oxygen Sensor

N/A

E1 11 Brown

ECM Ground

N/A

No. 10 12 White/Red

Fuel Injector

9-14 Volts With Ignition On

EO1 13 Brown

ECM Ground

N/A

IG- 14 Green

Distributor

N/A

G2 15 Black

Distributor

N/A

SP2 16 Brown/Red

Speed Sensor

N/A

L 17 Violet/White

Auto Trans Indicator

N/A

2 18 Pink/Green

Auto Trans Indicator

N/A

N 19 Violet/Red

Auto Trans Indicator

N/A

L4 20 Yellow/Red

4WD Indicator

N/A

IGT 21 Black/Blue

Ignitor

Pulse Generator With Engine Idling

EGR 22 Pink

EGR VSV

N/A

AS 23 Green/Red

Air Suction VSV

N/A

A/C 24 Black/Red

Idle Up VSV

N/A

No. 20 25 White

Fuel Injector

9-14 Volts With Ignition On

EO2 26 Brown

ECM Ground

N/A

⁽¹⁾	Electrically Controlled Transmission (ECT).

3.0L V6 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color

Function/ Description

Voltage Value

VC 1 Green/Black

Airflow Meter Throttle Position Sensor

4.5-5.5 Volts With Ignition On

VS 2 Yellow/Red

Airflow Meter

4.5-5.5 Volts With Ignition On, Measuring Plate Closed .2-.5 Volt With Ignition On, Measuring Plate Open 2.3-2.8 Volts At Idle, .3-1 Volt At 3000 RPM

THA 3 Yellow/Black

Air Temperature Sensor

.5-3.4 Volts With Ignition On, Intake Air Temp 68°F (20°C)

THW 4 Green/Blue

Engine Coolant Temperature Sensor

.2-1 Volt With Ignition On, Coolant Temp 176°F (80°C)

KNK 5 Black

Knock Sensor

N/A

OX1 6 Black

Oxygen Sensor

N/A

THO1 7 Green/Black

4WD Oil Temperature Sensor

N/A

VF 8 Yellow/Green

Check Connector

N/A

E2 9 Brown/Black

Sensor Ground

N/A

OX+ 10 White ⁽¹⁾

Oxygen Sensor

N/A

VTA 11 Yellow

Throttle Position Sensor

.3-.8 Volt With Ignition On, Throttle Valve Closed, Throttle Opener Cancelled 3.2-4.9 Volts With Ignition On,Throttle Valve Open

IDL 12 Yellow/White

Throttle Position Sensor

9-14 Volts with Ignition On, Throttle Valve Open

THG 13 Green/White

EGR Gas Temperature Sensor

N/A

THO2 14 Lt Green

Transfer Case Fluid Temperature Sensor

N/A

T/TE1 15 Violet/White

Check Connector

N/A

TE2 16 Pink

Check Connector

N/A

⁽¹⁾	Pickup only.