1G-GTEU pin outs
Pin number Description
A Computer Plug 1
1 Earth
2 Injectors (4-52)
3 Starter Switch
4 Auto Transmission
5 Looks to be neutral switch for auto transmission
6 Earth
7 Injectors (4-52)
8 Igniter
9 Earth
10 Igniter
B Computer Plug 2
1 Idle Speed Control Valve
2 Idle Speed Control Valve
3 Engine RPM Sensor (Distributor)
4 Engine RPM Sensor (Distributor)
5 Engine RPM Sensor (Distributor)
6 Engine RPM Sensor (Distributor)
7 Not real sure
8 Igniter
9 Water Temperature Sensor
10 Idle Speed Control Valve
11 Idle Speed Control Valve
12 Test socket
13 Test socket
14 Throttle Position Sensor
15 Throttle Position Sensor
16 Not real sure
17 Igniter
18 Earth
C Computer Plug 3
1 Oxygen Sensor
2 Not real sure
3 Main Relay
4 Turbo Indicator (green light in Taco)
5 Vacuum Sensor (4-55)
6 Speed Sensor
7 Fuel Pump
8 Water Temperature Sensor
9 Air Flow Sensor
10 Air Flow Sensor
11 Battery
12 Ignition Switch
13 Earth
14 Earth
15 Sub-Oxygen Sensor Heater
16 Not really sure
17 Air Conditioning
18 Check Engine Light
19 Exhaust Gas Temperature Light
20 Knock Sensor
21 Knock Sensor
22 Exhaust Gas Temperature Sensor
23 Battery +
24 Battery +
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