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Pin Voltage Charts

Fig 1: ECM Terminal ID - Automatic Transaxle
G94G45639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: ECM Terminal ID - Manual Transaxle
G94E45934Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
A/T 22-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
BATT 1 White/Red Battery 9-14V
ELS 2 Lt Green/Red A/C Pressure Switch N/A
3 Blank N/A
STP 4 Green/White Stoplight Switch N/A
W 5 Green/White Warning Indicator 9-14V with Engine Running, Light Off
6 Blank N/A
7 Blank N/A
8 Blank N/A
SPD 9 Yellow Speed Sensor N/A
A/C1 10 Pink/Black A/C Amplifier N/A
STA 11 Black/Red or Black Starter Signal 6-14V with Engine Cranking
+B 12 Black/Orange EFI Main Relay 9-14V with Ignition On
+B1 13 Black/Orange EFI Main Relay 9-14V with Ignition On
FC 14 Green 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
20 Blank N/A
ACT 21 Lt Green/Blk A/C Amplifier N/A
NSW 22 Black/Blue or Blk/White Starter Relay Or Ignition Switch N/A
A/T 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
VCC 1 Lt Green/Red Throttle Position Sensor Vacuum Sensor 4.5-5.5V w/ Ignition On
PIM 2 Pink MAP Sensor 3.3-3.9V w/ Ignition On
THA 3 Lt Green/Black Air Temperature Sensor 2-2.5V 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 Green/Black Engine Coolant Temperature Sensor .1-.8V with Ignition On,Coolant Temp 176°F (80°C) .1-.8V w/ Ignition On, Coolant Temp 176°F (80°C)
5 Blank N/A
OX 6 Black Oxygen Sensor N/A
DG 7 Blue Check Connector N/A
VF 8 Green/Yellow Check Connector N/A
E2 9 Brown Sensor Ground N/A
THG 10 Blue or Blue/Red EGR Gas Temperature Sensor (Calif) N/A
VTA 11 Yellow/Green Throttle Position Sensor .1-1V with Ignition On, Throttle Valve Closed 3.5-4.5V with Ignition On, Throttle Valve Open .3-.8V with Ignition On,Throttle Valve Closed 3.2-4.9V with Ignition On, Throttle Valve Open
IDL 12 Blue/Red or Yellow/Black Throttle Position Sensor 4.5-5.5V w/ Ignition On,Throttle Valve Open 9-14V w/ Ignition On, Throttle Valve Open
13 Blank N/A
14 Blank N/A
T 15 Violet Check Connector N/A
E21 16 Brown Sensor Ground N/A
A/T 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
1 Blank N/A
2 Blank N/A
IGF 3 Lt Grn/Yellow Ignitor N/A
NE 4 Red Distributor N/A
G 5 Green Distributor N/A
6 Blank N/A
TWS 7 Blue Engine Coolant Temperature Switch N/A
TOV 8 Red/Green Throttle Opening VSV N/A
FPU 9 Blue/White Fuel Pressure Up VSV N/A
DISC 10 Green/Red Idle Control VSV N/A
No. 20 11 Yellow Fuel Injector 9-14V with Ignition On
No. 10 12 White Fuel Injector 9-14V with Ignition On
EO1 13 Brown ECM Ground N/A
E1 14 Brown ECM Ground N/A
15 Blank N/A
16 Blank N/A
NE- 17 White Distributor N/A
G- 18 Black Distributor N/A
19 Blank N/A
IGT 20 Lt Green Ignitor .5V or Less to 4.5-5.5V Fluctuation with EngineCranking Or Idling
21 Blank N/A
22 Blank N/A
EGR 23 Pink/Blue EGR VSV N/A
24 Blank N/A
25 Blank N/A
EO2 26 Brown ECM Ground N/A
M/T 26-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
FPU 1 Blue/White Fuel Pressure Up VSV N/A
NSW 2 Black/Red or Black Neutral/Start Switch N/A
THW 3 Green/Black Engine Coolant Temperature Sensor .4-.7V with Ignition On,Coolant Temp 176°F (80°C) .2-1V with Ignition On, Coolant Temp 176°F (80°C)
PIM 4 Pink MAP Sensor 3.3-3.9V w/ Ignition On
THA 5 Lt Green/Blk Air Temperature Sensor 2-2.8V with Ignition On,Intake Air Temp 68°F (20°C) .5-3.4V w/ Ignition On, Intake Air Temp 68°F (20°C)
IGT 6 Lt Green Ignitor .7-1V w/ Engine Idling
IGF 7 Lt Grn/Yellow Ignitor N/A
G 8 Green Distributor N/A
G- 9 Black Distributor N/A
OX 10 Black Oxygen Sensor N/A
STA 11 Black Starter Signal 6-14V w/ Engine Cranking
No. 10 12 White Fuel Injector 9-14V with Ignition On
EO1 13 Brown ECM Ground N/A
VISC 14 Green/Red Idle Up VSV N/A
EGR 15 Pink/Blue EGR VSV N/A
E2 16 Brown Sensor Ground N/A
VTA 17 Yellow/Green Throttle Position Sensor .8-1.2V w/ Ignition On, Throttle Valve Closed 3.2-4.2V w/ Ignition On,Throttle Valve Open .3-.8V w/ Ignition On, Throttle Valve Closed 3.2-4.9V w/ Ignition On,Throttle Valve Open
VCC 18 Lt Green/Red Throttle Position Sensor Vacuum Sensor 4.5-5.5V w/ Ignition On
IDL 19 Yellow/Black Throttle Position Sensor 4.5-5.5V w/ Ignition On,Throttle Valve Open 9-14V w/ Ignition On, Throttle Valve Open
NE- 20 White Distributor N/A
NE 21 White Distributor N/A
22 Blank N/A
THG 23 Brown or Blue/Red EGR Gas Temperature Sensor N/A
E1 24 Brown ECM Ground N/A
No. 20 25 Yellow Fuel Injector 9-14V with Ignition On
EO2 26 Brown ECM Ground N/A
M/T 16-PIN CONNECTOR CHART

Terminal ID No./Wire Color Function/ Description Voltage Value
+B1 1 Black/Orange EFI Main Relay 9-14V with Ignition On
BATT 2 White/Red Battery 9-14V
3 Blank N/A
FC 4 Green Circuit Opening Relay N/A
ELS 5 Red/Blue or Lt Green/Red Light Switch N/A
6 Blank N/A
TOV 7 Red/Green Throttle Opening VSV (Calif) N/A
T 8 Violet Check Connector N/A
+B 9 Black/Orange EFI Main Relay 9-14V with Ignition On
W 10 Green/White Warning Indicator 9-14V w/ Engine Running,Light Off
A/C1 11 Pink/Black A/C Amplifier N/A
A/C 12 Pink A/C Compressor Clutch N/A
SPD 13 Yellow Speed Sensor N/A
ACT 14 Lt Green/Blk A/C Amplifier N/A
15 Blank N/A
VF 16 Green/Yellow Check Connector N/A
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