X20 Engine plug I

Plug connector overview

NumberX-pin, colourDescription
X2012-pin, NaturalMotor connector I

Pin assignments at plug 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: Start relay
4 Diagnostic link TXDB: Diagnostic connector
  S: Engine control module II (DME)
5 Diagnostic link RXDB: Diagnostic connector
  S: EDC control unit
6 Terminal 15B: Gear position switch
  S: Fuse F22
7 Terminal 87B: DME relay II
  S: Fuse F17
8 Terminal 54B: AGS transmission control unit
  S: Brake light switch
9 Signal, running lossesB: Engine control module I (DME)
  S: Fuel changeover circuit
10 Remote thermometer signal (positive)B: Dual temperature switch
  S: Integrated electronic control unit (IKE)
11 Remote thermometer signal (negative)B: Dual temperature switch
  S: Integrated electronic control unit (IKE)
12 Terminal 54B: EML control unit
  S: Brake light switch