Skoda Workshop Service and Repair Manuals

Read measured value block: display groups 011 to 055 Display group 011 - ignition

Reading measured value block 11			→	< Readout on display
xxx rpm	75...105 °C	-45...105 °C	0...12 ° b. TDC
				Ignition angle (actual value)
			Intake manifold temperature
		Coolant temperature
	Idling speed → Anchor

Display group 012 - distributor adjustment:

Reading measured value block 12			→	< Readout on display
xxx rpm	xxx %	25 - 31	85 - 91
				No. of the crankshaft gear for camshaft pressure change high - low 1)
			No. of the crankshaft gear for camshaft pressure change low - high 1)
		Ignore
	Idling speed → Anchor

1) If the value is outside the tolerance and if fault 16725 has been stored in the fault memory, the voltage of the timing chain must be checked (on engines with high mileage).

Display group 020 - knock control

Reading measured value block 20			→	< Readout on display
0...15 ° b.TDC	0...15 ° b.TDC	0...15 ° b.TDC	0...15 ° b.TDC
				Ignition angle relief cylinder 4
			Ignition angle relief cylinder 3
		Ignition angle relief cylinder 2
	Ignition angle relief cylinder 1

Display group 026 - knock control, knock sensor values:

Reading measured value block 26			→	< Readout on display
0,2...2,0 V	0,2...2,0 V	0,2...2,0 V	0,2...2,0 V
				Knock sensor voltage signal cyl. 4
			Knock sensor voltage signal cyl. 3
		Knock sensor voltage signal cyl. 2
	Knock sensor voltage signal cyl. 1

Display group 028 - Checking knock sensor:

Reading measured value block 28			→	< Readout on display
xxx rpm	xxx %	75...105 °C	Text
				Result (Test on, Test off, Syst. O.K., Syst. N.O.K.)
			Coolant temperature
		Ignore
	Idling speed → Anchor

Display group 030 - Status of lambda probe:

Reading measured value block 30			→	< Readout on display
xxx	xxx
				not assigned
			not assigned
		Ignore
	Operating condition - see table below

Note t  Re display field 1: t  Meaning of the digits in the 3-digit number block for the lambda probe status:

X	X	X	Meaning, if display positions = 1
1			Lambda probe heater switched on
	1		Lambda probe operational
		X	Ignore

Display group 031 - lambda probe voltage:

Reading measured value block 31			→	< Readout on display
0,0..1,0 V	x.xx V
				not assigned
			not assigned
		Ignore
	Lambda probe voltage

Display group 033 - Lambda control value:

Reading measured value block 33			→	< Readout on display
-10...10 %	x.x V
				not assigned
			not assigned
		Ignore
	Lambda regulator

Display group 050 - Engine speed increase:

Reading measured value block 50			→	< Readout on display
xxx rpm	800 /min.	Text	Text
				Air conditioning compressor (on, off)1)
			Ignore
		Engine speed nominal
	Idling speed → Anchor

1) Readout remains always on “compressor OFF”. Display group 054 - Idle regulator/switch for E-gas systems:

Reading measured value block 54			→	< Readout on display
xxx rpm	Text	0 %	x.x % (∠°)
				Ignore
			Accelerator pedal position sender 1
		Operating condition (idling, enrichment, partial load, full load, overrun fuel cut-off)
	Idling speed → Anchor

Display group 055 - idling speed stabilisation:

Reading measured value block 55			→	< Readout on display
xxx rpm	xxxx %	-10...10 %	0000
				Operating conditions - see table below
			Initialisation value idle stabilizer
		Ignore
	Idling speed → Anchor

Note t  Re display field 4: t  Meaning of the digits in the 5-digit number block for idling speed stabilisation:

X	X	X	X	X	Meaning
0					Steering angle (Centre position = 0; right or left stop = 1)
	0				always 0
		0			Ignore
			0		always 0
				0	always 0