122
ECU I/0 function
1. Primary signal for ignition coil 16.water temperature/air/pressure sensor
2.B phrase idling actuator signal and ground wire of throttle valve
3.D phrase idling actuator signal position sensor
4.Protect relay signal
17. Main ground wire of engine
5.Without connection line
18.Fuel injector signal
6.
Warning light energizing signal 19. Primary signal for ignition coil 2
7.
Without connection line 20.A phrase idling speed actuator signal
8.A/C input signal (see note) 21.C phrase idling speed actuator signal
9.Without connection line 22.Fuel vapor solenoid signal
10.Diagnosis socket L connection
line
23.Fuel pump relay/ speed counter signal
11.Tacho sensor negative input
24.A/C relay signal (see note)
12.
λ
sensor negative input
25.Without connection line
13.
Water temperature sensor
negative
26.Ignition switch input (15/24)
input
27.Without connection line
14.
Pressure sensor/throttle valve
28.Speed sensor positive input
potentiometer 5A power supply
29.
λ
sensor positive input
15.
Diagnosis socket K connection
line
30.Throttle valve potentiometer signal input
31.Intake air temperature sensor signal input
32.Absolute pressure sensor signal input
33.Without connection line
34.
Main ground wire of engine
35.
Ignition 12V power supply input
A/C I/O may only be supplied to the vehicle equipped with A/C and the ECU of the corresponding
engine, i.e. the vehicle of single-point injection with A/T.