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Pin Voltage Charts

Fig 1: ECM Terminal ID
G94D45677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
16-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
VC 1 Blue/Black Airflow Meter Throttle Position Sensor 4-6V w/ Ignition On 4.5-5.5V w/ Ignition On
VS 2 Blue/Yellow Airflow Meter 3.7-4.3V w/ Ignition On,Measuring Plate Closed 4.0-5.5V w/ Ignition On,Measuring Plate Closed 2-.5V w/ Ignition On, Measuring Plate Open 2.3-2.8 with Engine Idling .3-1V at 3000 RPM
THA 3 Blue/White Air Temperature Sensor 1-3V with Ignition On, Intake Air Temp 68°F (20°C) .5-3.4V w/ Ignition On, Intake Air Temp 68°F (20°C)
THW 4 Blue Engine Coolant Temperature Sensor .1-1V with Ignition On, Coolant Temp 176°F (80°C)
OX2 5 Black Rear Oxygen Sensor N/A
OX1 6 Black Front Oxygen Sensor N/A
7 Blank N/A
VF 8 Green Check Connector N/A
E2 9 Brown/Black Sensor Ground N/A
E2/THG 10 Brown/White Sensor Ground N/A
VTA 11 Yellow/Red Throttle Position Sensor .1-1V with Ignition On Throttle Valve Closed 3-6V with Ignition On, Throttle Valve Open .3-.8V with Ignition On,Throttle Valve Closed 3.2-4.9V w/ Ignition On,Throttle Valve Open
IDL 12 Blue/Yellow Throttle Position Sensor 8-14V with Ignition On, Throttle Valve Open
13 Blank N/A
KNK 14 Black Knock Sensor N/A
TE2 15 Green/Black Check Connector N/A
T 16 Green/White Check Connector N/A
22-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
BATT 1 White/Red Battery 9-14V
IG2 2 Black/Red Ignition Switch N/A
3 Blank N/A
OW 4 Red/White Oil Level Indicator N/A
W 5 Green/Red Warning Indicator 9-14V w/ Engine Running,Light Off
ACT 6 Black/Blue A/C Amplifier N/A
DG 7 Green Check Connector N/A
8 Blank N/A
SP1 9 Violet/White Speed Sensor N/A
A/C 10 Black/White A/C Amplifier N/A
STA 11 Black Starter Signal 6-12V with Ignition In Start
+B 12 Black/Orange EFI Main Relay 9-14V with Ignition On
+B1 13 Black/Orange EFI Main Relay 9-14V with Ignition On
14 Blank N/A
15 Blank N/A
16 Blank N/A
OL2/OLS 17 Yellow/Red Oil Level Sensor N/A
OL1/OMS 18 Green/Red Oil Level Sensor N/A
STOP 19 Green/Red Stoplight Switch N/A
20 Blank N/A
OD1 21 Violet/Yel Cruise Control ECM N/A
NSW 22 Black or Black/White Neutral/Start Switch N/A
26-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
ISC2 1 White Idle Speed Control Valve 8-14V with Ignition On
2 Blank N/A
IGF 3 Blue/Red Ignitor N/A
NE 4 White Distributor N/A
G2 5 Green Distributor N/A
ISC1 6 Black Idle Speed Control Valve 8-14V with Ignition On
MTR/MOT 7 Red Engine Oil Level Relay N/A
MR/OMR 8 Black/Blue Engine Oil Level Relay N/A
IGT 9 Blue/Black Ignitor .7-1V with Engine Cranking or Idling
HT 10 Green/Black Front Oxygen Sensor N/A
STJ 11 Red/Black Cold Start Injector N/A
No. 10 12 Black Fuel Injector 9-14V with Ignition On
EO1 13 Brown ECM Ground N/A
14 Blank N/A
15 Blank N/A
16 Blank N/A
G- 17 Red Distributor N/A
G1 18 Black Distributor N/A
ISC2 19 White Idle Speed Control Valve 8-14V with Ignition On
20 Blank N/A
21 Blank N/A
22 Blank N/A
FP/FPU 23 Yellow Fuel Pressure VSV N/A
E1 24 Brown ECM Ground N/A
No. 20 25 Black/Blue Fuel Injector 9-14V with Ignition On
EO2 26 Brown ECM Ground N/A
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