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Pin Voltage Charts

Fig 1: ECM Terminal ID - 4-Cylinder Automatic Transaxle
G92I25781Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: ECM Terminal ID - 4-Cylinder Manual Transaxle
G92H25780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4-CYLINDER W/O ECT 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
OX2 1 Red/Blue Check Connector N/A
PIM 2 Black/Yellow Vacuum Sensor 3.3-3.9V with Ignition On
THA 3 Blue/Black Air Temperature Sensor 1.9-2.9V with Ignition On, Intake Air Temperature 68°F (20°C)
THW 4 Lt. Green Engine Coolant Temperature Sensor .1-1.1V with Ignition On, Coolant Temperature 176°F (80°C)
KNK 5 White Knock Sensor N/A
OX1 6 White Main Oxygen Sensor N/A
TE2 7 Green/White Check Connector N/A
VF 8 Red/White Check Connector N/A
E2 9 Brown Sensor Ground N/A
VTA 10 Black Throttle Position Sensor .8-1.2V w/Ignition OnThrottle Valve Closed3.2-4.2 w/Ignition On Throttle Valve Open
VCC 11 Red Throttle Position Sensor Vacuum Sensor 8-14V w/ Ignition On
IDL 12 Blue Throttle Position Sensor 8-14 w/ Ignition On, Throttle Valve Open
THG 13 Gray EGR Temperature Sensor (Calif) N/A
14 Blank N/A
TE1 15 Gray Check Connector N/A
E21 16 Brown Sensor Ground N/A
4-CYLINDER W/O ECT 12-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
+B1 1 Black/Orange EFI Main Relay 9-14V w/Ignition On
BATT 2 White/Blue Battery N/A
ACA 3 Black/Yellow A/C Amplifier N/A
FC 4 Green/Red Circuit Opening Relay N/A
5 Blank N/A
ACT 6 Lt Green/Black A/C Amplifier N/A
+B 7 Black/Orange EFI Main Relay 9-14V w/Ignition On
W 8 Green/Red Warning Indicator 9-14V w/ Engine Running, Light Off
9 Blank N/A
10 Blank N/A
SPD 11 Violet/Yellow Speed Sensor N/A
ELS 12 Black/Red Taillight/Mirror Relay N/A
4-CYLINDER W/O ECT 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
ISCV 1 Lt Green A/C Idle-Up VSV N/A
2 Blank N/A
IGF 3 White/Red Ignitor N/A
NE+ 4 Red Distributor N/A
G+ 5 Yellow Distributor N/A
6 Blank N/A
7 Blank N/A
8 Blank N/A
ISCC 9 Green/Red Idle Speed Control Valve 8-14V w/ Ignition On, Engine & ECT ConnectorConnector Disconnected
ISCO 10 Green/Yellow Idle Speed Control Valve 8-14V w/ Ignition On, Engine & ECT ConnectorConnector Disconnected
11 Blank N/A
No. 10 12 White Fuel Injector 9-14 w/ Ignition On
EO1 13 White/Black ECM Ground N/A
14 Blank N/A
15 Blank N/A
16 Blank N/A
NE- 17 Blue Distributor N/A
G- 18 Black Distributor N/A
19 Blank N/A
20 Blank N/A
21 Blank N/A
IGT 22 White Ignitor .8-.12V w/Ignition Cranking Or Idling
EGR 23 Green EGR-VSV N/A
1 24 Brown ECM Ground N/A
No. 20 25 Yellow Fuel Injector 9-14V w/ Ignition On
EO2 26 White/Black ECM Ground N/A
4-CYLINDER WITH ECT 22-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
BATT 1 White/Blue Battery 9-14V
ECS 2 Black/Red Taillight/Mirror Heater Diode N/A
3 Blank N/A
B/K 4 Green/White Stoplight Switch N/A
W 5 Green/Red Warning Indicator 9-14V W/ Engine Running,Light Off
6 Blank N/A
OD2 7 Green/Orange O/D Main Switch N/A
ACA 8 Black/Yellow A/C Amplifier N/A
SPD 9 Violet/Yellow Speedometer N/A
10 Blank N/A
STA 11 Black/White Starter Signal 6-14 w/ Engine Cranking
+B 12 Black/Orange EFI Main Relay 9-14V w/ Ignition On
+B1 13 Black/Orange EFI Main Relay 9-14V w/ Ignition On
FC 14 Green/Red Circuit Opening Relay N/A
15 Blank N/A
16 Blank N/A
17 Blank N/A
18 Blank N/A
19 Blank N/A
OD1 20 Yellow/Black Cruise Control ECM N/A
ACT 21 Lt Green/Black A/C Amplifier N/A
ASW 22 Black/White Neutral/Start Switch N/A
4-CYLINDER WITH ECT 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
SL 1 Blue/Yellow ECT Solenoid N/A
S1 2 Violet ECT Solenoid N/A
IGF 3 White/Red Ignitor N/A
NE+ 4 Red Distributor N/A
NE- 5 Blue Distributor N/A
2 6 Orange Automatic Transmission Indicator N/A
ISCV 7 Lt Green A/C Idle Up VSV N/A
FPU 8 Black/Red Fuel Pressure-Up VSV N/A
ISCC 9 Green/Red Idle Speed Control Valve 8-14V w/ Ignition On, Engine & ECT ConnectorDisconnected
ISCO 10 Green/Yellow Idle Speed Control Valve 8-14V w/ Ignition On, Engine & ECT ConnectorDisconnected
No. 20 11 Yellow Fuel Injector 9-14V w/ Ignition On
No. 10 12 White Fuel Injector 9-14V w/ Ignition On
EO1 13 White/Black ECM Ground N/A
E1 14 Brown ECM Ground N/A
S2 15 Pink/Blue ECT Solenoid N/A
SP2 16 Lt Green/Black ECT Solenoid N/A
G- 17 Black Distributor N/A
G+ 18 Yellow Distributor N/A
L 19 Yellow/Blue Automatic Transmission Indicator N/A
IGT 20 White Ignitor .8-1.2V w/ Engine Cranking Or Idling
21 Blank N/A
P 22 Blue/Red Pattern Select Switch N/A
EGR 23 Green EGR-VSV N/A
No. 40 24 Red/Black Fuel Injector 9-14V w/ Ignition On
No. 30 25 Red/Blue Fuel Injector 9-14V w/ Ignition On
EO2 26 White/Black ECM Ground N/A
4-CYLINDER WITH ECT 16-PIN CONNECTOR CHART

Terminal ID. No./Wire Color Function/ Description Voltage Value
VCC 1Red Throttle Position Sensor 4.5-5.5v W/Ignition On Sensor
PIM 2 Black/Yellow Map Sensor 3.3-3.9 w/ Ignition On
THA 3 Blue/Black Air Temperature Sensor 1.9-2.9V w/ Ignition On,Intake Air Temp 68°F (20°C)
THW 4 Lt Green Engine Coolant Temperature Sensor .1-1.1V w/ Ignition On, Coolant Temp 176°F (80°C)
OX2 5 Red/Blue Check Connector N/A
OX1 6 White Oxygen Sensor N/A
TT 7 Brown/Black Check Connector N/A
VF 8 Red/White Check Connector N/A
E2 9 Brown Sensor Ground N/A
TH6 10 Gray EGR Temperature Sensor (Calif) N/A
VTA 11 Black Throttle Position Sensor .8-1.2V w/ Ignition On, Throttle Valve Closed 3.2-4.2V w/ Ignition On,Throttle Valve Open
IDL 12 Blue Throttle Position Sensor 8-14V w/ Ignition On, Throttle Valve Open
KNK 13 White Knock Sensor N/A
TE2 14 Green/White Check Connector N/A
TE1 15 Gray Check Connector N/A
E21 16 Brown Sensor Ground N/A
Fig 3: ECM Terminal ID - V6
G94J45426Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
V6 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
ACV 1 White/Blue A/C Idle-Up VSV 3V or Less w/ Engine Idling, A/C On 9-14V w/ Engine Idling,A/C Off
2 Blank N/A
W 3 Green/Red Warning Indicator N/A
4 Blank N/A
TE1 5 Gray/Black Check Connector 4.5-5.5V w/ Ignition On
ACIS 6 Red/Yellow Intake Air Control Valve VSV 9-14V w/ Ignition On
VG- 7 Red/Black Air Flow Meter N/A
8 Blank N/A
9 Blank N/A
HTL 10 Violet/Red Heated Oxygen Sensor (Bank 2, Sensor 1) 3V or Less w/ Engine Idling 9-14V w/ Ignition On
HTR 11 Blue/Black Heated Oxygen Sensor (Bank 1, Sensor 1) 3V or Less w/ Engine Idling 9-14V w/ Ignition On
EGR 12 Black/Blue EGR/VSV 9-14 w/ Ignition On
13 Blank N/A
THG 14 Green/Yellow EGR Gas Temperature Sensor N/A
15 Blank N/A
E2 16 Brown ECM Ground N/A
V6 22-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
VC 1 Blue/Red Throttle Position Sensor 4.5-5.5V w/ Ignition On
2 Blank N/A
3 Blank N/A
NC2- 4 White/Blue Direct Clutch Speed Sensor N/A
NE+ 5 Red Crankshaft Position Sensor Pulse Generator with Engine Idling
NE- 6 Green Crankshaft Position Sensor N/A
VTA 7 Black/Yellow Throttle Position Sensor .3-.8V w/ Ignition On, Throttle Valve Closed 3.2-4.9V w/ Ignition On,Throttle Valve Open
VG 8 Red Airflow Meter 1.1-1.5V w/ Engine Idling, A/C Off, Gear Shift In Park
NC2+ 9 Yellow/Blue Direct Clutch Speed Sensor N/A
10 Blank N/A
11 Blank N/A
12 Blank N/A
OXR 13 White Heated Oxygen Sensor (Bank 1, Sensor 1) Pulse Generator at 2500 RPM for 2 Minutes
KNKL 14 Black Knock Sensor No. 1 Pulse Generator with Engine Idling
KNKR 15 White Knock Sensor No. 2 Pulse Generator with Engine Idling
G22+ 16 Black/White Camshaft Position Sensor Pulse Generator with Engine Idling
G22- 17 Blue Camshaft Position Sensor N/A
FC 18 Green/Red Circuit Opening Relay N/A
OXL 19 Red/Blue Heated Oxygen Sensor (Bank 2, Sensor 1) Pulse Generator at 2500 RPM for 2 Minutes
THW 20 Green Engine Coolant Temperature Sensor .2-1V w/ Engine Idling. Coolant Temp 176°F (80°C)
THA 21 Blue/Black Intake Air Temperature Sensor .5-3.4V w/ Engine IdlingIntake Air Temp 68°F (20°C)
E2 22 Brown Sensor Ground N/A
V6 28-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
1 Blank N/A
L 2 Yellow/Blue Park/Neutral Position Switch N/A
P 3 Blue/Red ECT Select Switch N/A
4 Blank N/A
ACT 5 Lt Green/Red A/C Control Assembly 4.5-5.5V w/Engine IdlingA/C On 2V or Less w/ Engine Idling, A/C Off
OD2 6 Green/Orange O/D Main Switch N/A
OD1 7 Yellow/Black Cruise Control ECM 4.5-5.5V w/ Ignition On
8 Blank N/A
9 Blank N/A
2 10 Orange Park/Neutral Position Switch N/A
TE2 11 Green/White Check Connector N/A
SP1 12 Violet/Yellow Speed Sensor Pulse Generator with Ignition On, Rotate Drive Wheel
TACO 13 N/A Tachometer N/A
BATT 14 White/Blue Battery 9-14V At All Times
R 15 Red/Black Park/Neutral Position Switch N/A
16 Blank N/A
17 Blank N/A
18 Blank N/A
19 Blank N/A
A/C 20 Black/Yellow A/C Control Assembly 4.5-5.5V w/ Engine Idling, A/C Off 2V or Less with Engine Idling, A/C Off
ELS 21 Black/Red Taillight & Defogger Relay 7.5-14V w/ Switch On 1.5V or Less with Switches Off
+B 22 Black/Orange EFI Main Relay 9-14V w/ Ignition On
+B1 23 Black/Orange EFI Main Relay 9-14V w/ Ignition On
STP 24 N/A Stoplight Switch N/A
HTS 25 Pink/Black Heated Oxygen Sensor (Bank 1, Sensor 2) 9-14V w/ Ignition On, 3Vor Less w/ Engine Idling
OXS 26 Black Heated Oxygen Sensor (Bank 1, Sensor 2) N/A
27 Blank N/A
SDL 28 White Check Connector N/A
V6 34-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
1 Blank N/A
2 Blank N/A
SLN 3 Yellow/Green SLN Shift Solenoid N/A
4 Blank N/A
No. 60 5 Green Fuel Injector 9-14V w/ Ignition On, Pulse Generator At Idle
No. 50 6 Red Fuel Injector 9-14V w/ Ignition On, Pulse Generator At Idle
No. 40 7 Blue Fuel Injector 9-14V w/ Ignition On, Pulse Generator At Idle
No. 30 8 Gray Fuel Injector 9-14V w/ Ignition On, Pulse Generator At Idle
No. 20 9 Yellow Fuel Injector 9-14V w/ Ignition On, Pulse Generator At Idle
No. 10 10 White Fuel Injector 9-14V w/ Ignition On, Pulse Generator At Idle
S1 11 Violet Shift Solenoid No. 1 N/A
IGF 12 White/Red Ignitor 4.5-5.5V w/ Ignition On
STA 13 Black/White Starter Relay 3V or Less w/ Ignition On, Gearshift in P or N9-14V w/ Ignition On, Gearshift Not in P or N
NSW 14 Black/White Neutral/Start Switch 3V or Less w/ Ignition On, Gearshift in P or N9-14V w/ Ignition On, Gearshift Not in P or N
IGT3 15 Gray/Black Ignitor Pulse Generator with Engine Idling
IGT2 16 Yellow/Red Ignitor Pulse Generator with Engine Idling
S2 17 Pink/Blue Shift Solenoid No. 2 N/A
18 Blank N/A
19 Blank N/A
20 Blank N/A
21 Blank N/A
RSC 22 Yellow/Black Idle Air Control Valve 9-14V w/ Ignition On, Disconnect 34-Pin ECM Connector
RSD 23 Green/Black Idle Air Control Valve 9-14V w/ Ignition On, Disconnect 34-Pin ECM Connector
IGT1 24 White/Green Ignitor Pulse Generator with Engine Idling
FPU 25 Black/Red Fuel Pressure-Up VSV 9-14V w/ Ignition On, 3V or Less On Hot Restart
IGT4 26 Blue/Black Ignitor Pulse Generator with Engine Idling
SL 27 Blue/Yellow Shift Solenoid SL N/A
EO3 28 White/Black Oxygen Sensor Heater Ground N/A
IGT6 29 Green/Red Ignitor Pulse Generator with Engine Idling
IGT5 30 Red/Black Ignitor Pulse Generator with Engine Idling
31 Blank N/A
IDL 32 Blue Throttle Position Sensor 3V or Less w/ Ignition On, Throttle Valve Closed 9-14V w/ Ignition On, Throttle Valve Open
EO2 33 White/Black Power Ground N/A
EO1 34 White/Black Power Ground N/A
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