X21 Engine plug III

Plug connector overview

NumberX-pin, colourDescription
X2118-pin, blackMotor connector III

Pin assignments at plug connector X21

PinTypeDescription / Signal typeConnection /
Measuring notes
1 Front left speed signalB: AGS transmission control unit
   
2 Front right speed sensorB: AGS transmission control unit
   
3 Rear left speed signalB: AGS transmission control unit
   
4 Not used 
   
5 Gear indicator signalB: AGS transmission control unit
   
6 Selector lever lockout signal (positive)B: AGS transmission control unit
   
7 Selector lever lockout signal (negative)B: AGS transmission control unit
   
8 ASC passive signalB: AGS transmission control unit
   
9 ASC passive signalB: AGS transmission control unit
   
10 Downshift signalB: AGS transmission control unit
   
11 Upshift signalB: AGS transmission control unit
   
12 Signal, gearshift position L2B: AGS transmission control unit, Gear position switch
   
13 Signal, lights switch panelB: AGS transmission control unit
   
14 Not used 
   
15 Signal, gearshift position L5B: AGS transmission control unit
   
16 Signal, gearshift position L6B: AGS transmission control unit
   
17 Not used 
   
18 Kick-down signalB: AGS transmission control unit