Earthing Point 201

Earth Connections:

Earthing Point 201:

Components connected
Earthing points 201 (two) are located on the engine cylinder head at the lifting lug. The following components are connected to this earthing point. Some of the components are only fitted to cars of certain versions or for certain markets.

Cars with 8-valve engine

95 Auxiliary air valve
96 Control pressure valve
99 Temperature switch II, Lambda
135 Lambda control unit
142 Solenoid valve for raising the idling speed, AC
173 Diode for the AC compressor (1989 model)
203 Throttle angle transmitter for the CI fuel injection system, Lambda
212 Solenoid valve for raising the idling speed, cars with auto. transmission (1989 model)

Cars with 16-valve engine

95 Auxiliary air valve
130 Radiator coolant temperature warning switch (ME, FE)
142 Solenoid valve for raising the idling speed, AC
173 Diode for the AC compressor
176 Control unit for EZK ignition system (across 3-pole connector 57/6-pole connector 67 in the engine compartment, on the right-hand side at the air intake)
200 Control unit for the fuel injection system
202 Engine temperature transmitter for the fuel injection system
203 Throttle angle transmitter for the fuel injection system
205 Air mass meter for the fuel injection system
271 Preheater for the Lambda sensor
320 Ignition coil with integrated amplifier (1989 model)
322 Connector, Auto/Man, LH 2.4 fuel injection system
347 Test connector, diagnostics
368 Connector, cold-starting valve, LH 2.4
389 NTC resistor, LH 2.4 Lambda (1990 model: UC)