X21 In-line connector, Engine connector III

Connector overview

NumberX-number of pinsDescription
X2118In-line connector, Engine connector III

Pin assignments at in-line connector X21

Pin Description  B: Socket housing
S: Pin housing
1 LH front speed signalB: Transmission control module (AGS)
  S: Left front speed sensor
2 RH front engine speed sensorB: Transmission control module (AGS)
  S: Right front speed sensor
3 LH rear engine speed signalB: Transmission control module (AGS)
  S: Left rear speed sensor
4 Not used 
   
5 Transmission position indicator signalB: Transmission control module (AGS)
  S: Integrated instrument cluster control module (IKE)
6 Not used 
   
7 Not used 
   
8 Not used 
   
9 Not used 
   
10 Not used 
   
11 Not used 
   
12 Transmission range switch position L2 signalB: Transmission control module (AGS) / Automatic transmission range switch
  S: Instrument cluster
13 Not used 
   
14 Not used 
   
15 Transmission range switch position L5 signalB: Transmission control module (AGS)
  S: Program switch
16 Transmission range switch position L6 signalB: Transmission control module (AGS)
  S: Program switch
17 Not used 
   
18 Kick-down signalB: Transmission control module (AGS)
  S: Pedal position sensor