X20 Engine plug I

Connector overview

NumberX-pin, colorDescription
X2012-pin, NaturalEngine connector I

Pin assignments at connector X20

Pin Description  B: Socket housing
S: Pin housing
1 Terminal 15B: Unloader relay terminal 15
  S: Ignition switch
2 Not usedB:
  S:
3 Start signal terminal 50B: Starter
  S: Starter relay
4 Data link TXDB: Data link connector
  S: Engine control module (DME)
5 Data link RXDB: Data link connector
  S: Electronic shock absorber control module (EDC)
6 Terminal 15B: Automatic transmission range switch
  S: Fuse F22
7 Terminal 87B: Engine control module relay
  S: Fuse F17
8 Terminal 54B: Transmission control module (AGS)
  S: Brake light switch
9 Signal, running lossesB: Engine control module (DME)
  S: Fuel changeover circuit
10 Outside temperature sensor signal (positive)B: Dual temperature switch
  S: Integrated instrument cluster control module (IKE)
11 Outside temperature sensor signal (negative)B: Dual temperature switch
  S: Integrated instrument cluster control module (IKE)
12 Terminal 54B: Transmission control module (AGS)
  S: Brake light switch