Kohler Command PRO ECH630 Service Manual page 38

Section 5
EFI Fuel System
Black Connector
Pin # Function
1 Ignition Coil #1 Ground
2 Batt ery Ground
3 Diagnostic Communication Line
4 Speed Sensor input
5 Fuel Injector Output #1 Ground
6 Fuel Injector Output #2 Ground
7 Oxygen Sensor Heater
8 Intake Air Temperature (IAT) sensor input
9 Fuel Pump Ground
10 Ground for IAT, TPS, MAP, O2 and Oil Sensors
11 Manifold Absolute Pressure (MAP) sensor input
12 Thrott le Position Sensor (TPS) input
13 Speed Sensor Ground
14 Oil Temperature Sensor input
15 Ignition Switch (Switched +12V)
16 Power for TPS and MAP Sensors (+5V)
17 Oxygen Sensor (O2) input
18 Batt ery Power (Permanent +12V)
Pinout of the ECU
5.6
Grey Connector
Pin # Description
1 Not Used
2 Not Used
3 Malfunction Indicator Light (MIL) Ground
4 Not Used
5 Not Used
6 Not Used
7 Not Used
8 Not Used
9 Batt ery Ground
10 Ignition Coil #2 Ground
11 Not Used
12 Not Used
13 Not Used
14 Safety Switch Ground
15 Not Used
16 ECU
17 Fuel Pump Control (+12V)
18 Not Used