Engine Control Module Operation & Inputs
Engine Control Module: Description and Operation
Description Of Operation, Control Module Outputs
1
Sensor ground, reference ground
2
Oxygen sensor preheating
3
Throttle position sensor
4
Manifold absolute pressure sensor
5
Ignition discharge module
6
Injectors
7
Boost pressure control valve
8
Idle air control valve
9
EVAP canister purge valve
10
Main relay
11
Fuel pump relay
12
CHECK ENGINE lamp (MIL)
13
SHIFT UP lamp (certain markets)
14
A/C compressor
15
Secondary air injection pump
16
engine speed
17
Engine load
18
Fuel consumption
19
Diagnostics
