MOTO GUZZI B043157 Service Station Manual page 158

Electrical system
ECU
Engine pinout key:
Right cylinder side spark plug coil command output PIN 1
Left cylinder side spark plug coil command output PIN 2
Sensors ground 2 PIN 4
Power ground PIN 5
Sensors ground 1 PIN 6
Right Lambda sensor input (+) PIN 9
Left Lambda sensor input (+) PIN 10
Track D handgrip input PIN 11
Engine temperature PIN 12
Track B handgrip input PIN 13
Serial line K for diagnostics PIN 14
PIN 16 Ground connection
Sensors ground 1 PIN 17
Engine rpm sensor input (-) PIN 20
Left Lambda sensor input (+) PIN 22
Track C handgrip input PIN 23
Intake pressure sensor input PIN 24
Reference voltage output + 5V: tracks A-C, throttle and pressure sensor (MAP) PIN 25
Reference voltage output + 5V: tracks B-D, and fall sensor PIN 26
Right cylinder central spark plug coil command output PIN 27
Left cylinder central spark plug coil command output PIN 28
ELE SYS - 158
Moto Guzzi California 1400