Engine Control Module Diagram With Components

System Component View Chart:

1 ECM harness connector.
only disconnect or connect with ignition switched off.
2 ECM mounting screws.
3 Engine Control Module J220*.
location: Engine compartment, left of battery.
For Fuel injection and Ignition system, Throttle Valve Control. Module, Oxygen control, knock control, EVAP canister purge regulator valve, speed governing via injectors or fuel pump relay and On Board Diagnostic.
4 Oxygen sensor (after cat) G1O8*
location: in catalyst.
Sensor heating Voltage supply via fuel pump relay J17.
5 Heated Oxygen sensor (before cat) G39.
location: In catalyst.
Sensor heating Voltage supply via fuel pump relay J17.
6 Engine Coolant Temperature sensor G62*-blue, 2-pin.
7 Retaining clip.
8 Thermostat housing.
9 O-Ring.
10 Connector.
11 Retaining Screw.
12 Engine Speed sensor G28.
location: cyl. block by intake.
13 3-Pin harness connector.
White
For Engine Speed sensor.
14 4-Pin harness connector.
Black
Mounted to sub-frame.
For Oxygen sensor and Oxygen sensor heating (before cat).
15 4-Pin harness connector.
Brown
For Oxygen sensor and Oxygen sensor heater (after cat).