Nominal Values For Status Monitoring (Data Stream)
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101 Electric fuel pump relay While starting or running engine = ON
116 Camshaft sender After coasting shutoff once = ON
127 Master relay While starting or running engine = ON
136 Tank venting valve Idling = OFF until timing begins
137 Oxygen sensor heating With high speed and load = OFF
163 Ignition timing tap (only cars At idle speed = OFF, only for
with manual transmission downshifts ON briefly
165 Range P/N (only automatics) Selector lever in P or N = ON
171 Oxygen control Engine running = ON, if oxygen sensor has operating temperature
181 Burglar alarm switch Burglar alarm not activated = OFF
185 Compressor control Compressor relay switched on = ON
186 Air condition switch Switch (defroster, air circ. or air cond.) operated and air volume control wheel not set 0 = ON
212 Throttle valve potentiometer 0.6 V (idle) to 4.2 V (full load, 4.9 V = break
241 LMM Up/Uv relation 1) 0.1 V to 0.3 V, break = 0.02
254 Control unit power supply > 10 V
270 Oxygen sensor voltage (cat) 1) 0.02 to 0.85 V, with break or faulty oxygen sensor = 0.45 V
273 Road speed Depending on road speed
276 CO potentiometer (no cat.) Basic setting = 2.77 V, 0.7±0.5 % CO
CO in % by vol. 1) 3)
277 Intake air temperature Depending on ambient temperature, approx. -40°C (-40°F) = break
278 Engine temperature Depending on engine operation, approx. -40°C (-40°F) = break
225 Ign. timing in crankshaft 11±3
degrees before TDC 1)
274 Engine speed in rpm 1)
Idle speed 850±40
Shutoff speed 6500±40
217 Injection signal tl in ms 1) 2) 3.2 to 3.9
290 Load signal tL In ms 1) 1.3 to 1.6
1) Oil temperature >60°C (>140°F) or coolant temperature >80°C (>176°F), no electric power consuming equipment switched on, at idle speed.
2) Valid with semi-sequential injection.
3) Measured ahead of the catalytic converter.