SEAT Workshop Service and Repair Manuals

Evaluating measured value block, display groups 50...69 -Governed speed-

Display group 50 -Speed regulation - operating states-
l  Engine running at idling speed
Read measured value block 50			→	← Indicated on display
xxxx RPM	xxx.x RPM	Text	Text
1	2	3	4	← Display fields	Specification	Evaluation
				Air conditioner compressor operating mode NO/YES	Compr. NO or Compr. YES	_
			A/C operating status		A/C-NO or A/C-YES	---
		Engine speed (idling speed specification)			790 RPM
	Engine speed (real idling speed)				700...900 RPM	→

Note on display field 2: t  The specified engine speed from the control unit is displayed (control unit internal, temperature dependent calculated value). t  When the battery charge is very low or the engine overheated, specified engine speed increases. Notes on display fields 3 and 4: t  On vehicles without AC, reading is always “Compr. NO”. t  Checking signal from and to air conditioner compressor → Chapter.

Display group 54 -Speed regulation-
l  Whilst driving
Read measured value block 54			→	← Indicated on display
xxxx RPM	Text	xxx.x %	xxx.x %
1	2	3	4	← Display fields	Specification	Evaluation
				Throttle valve angle (potentiometer 1 -G187-)	0.0...100.0%	_
			Accelerator pedal position sender 1 -G79-		0.0...100.0%	---
		Engine operating conditions: Idling, part load, enrichment, overrun, full load			----
	Engine speed				800...5700 RPM	---

Display group 55 -Speed regulation - Idling stabilisation-
l  Engine running at idling speed
Read measured value block 55			→	← Indicated on display
xxxx RPM	xx.xNm	xx.x %	xxxxx
1	2	3	4	← Display fields	Specification	Evaluation
				Operating mode	xxxxx	→
			Idling regulator learning value Air conditioner ON Air conditioning OFF		-6.0...8.0% -3.0...8.0%	---
		Idling regulator			-10.0...0.0 Nm
	Engine speed (idling speed)				700...900 RPM	→

Note on display field 3: t  Displayed is the amount that the idling speed stabilisation has moved away from the prescribed average. For a new engine the values lie in the positive range, because of the higher friction and in the negative range with an engine that has runin.

Significance of 5-digit number block in display field 4 -operating conditions-

Significance if display = 1
1	2	3	4	5	Significance
				1	Air conditioner compressor switched on
			X		No value
		1			Air conditioning system switched on
	X				No value
X					No value

Display group 56 -Speed regulation - Idling stabilisation-
l  Engine running at idling speed
Read measured value block 56			→	← Indicated on display
xxxx RPM	xxxx RPM	xx.xx Nm	xxxxx
1	2	3	4	← Display fields	Specification	Evaluation
				Operating mode	xxxxx	→
			Idling regulator		-10...0 Nm	---
		Engine speed (idling speed specification)			790 RPM	---
	Engine speed (idling speed)				700...900 RPM	→

Notes on display field 2: t  The specified engine speed from the control unit is displayed (control unit internal, temperature dependent calculated value). t  When the battery charge is very low or the engine overheated, specified engine speed increases.

Display group 60 -Speed regulation - Adaptation of electronic accelerator system-
l  Ignition on, engine not running l  Control unit in mode 04 -basic setting
Read measured value block 60			→	← Indicated on display
xx%	xx%	xx	Text
1	2	3	4	← Display fields	Specification	Evaluation
				Adaptation status (ADP. ON/ ADP. OK/ ADP. ERROR)	ADP. OK	---
			Learning step counter		0...12	---
		Throttle valve angle (potentiometer 2 -G188-)			85...0%	---
	Throttle valve angle (potentiometer 1 -G187-)				0...85%	---

Note on display field 60: t  Matching the throttle valve control part is performed with ignition switched on. t  Engine control unit is adapted to throttle valve control unit when selecting display group 60 under function 04 “Basic setting”. This adaptation must always be carried out when another throttle valve control part (or another complete engine) or another engine control unit is fitted. t  If the voltage supply is interrupted (battery disconnected), the adaption must be performed → Chapter , Procedure after interruption in voltage supply.. t  During the adaptation, the counter in display field 3 rises from 0 to 12 (if not, a fault is stored in the memory). t  Basic setting is not finished until the counter in display field 3 reaches step 12.

Display group 61 -Idle regulation - Electronic accelerator system-
l  Whilst driving
Read measured value block 61			→	← Indicated on display
xxxx RPM	----	xxx.x %	xxxxx
1	2	3	4	← Display fields	Specification	Evaluation
				Operating mode	xxxxx	→
			Throttle valve angle (potentiometer 1 G187)		0...100%	---
						---
	Engine speed				800...5700 RPM	---

Display group 62 -Speed regulation - Electronic accelerator system-
l  Ignition on, engine not running
Read measured value block 62			→	← Indicated on display
xx%	xx%	xx%	xx%
1	2	3	4	← Display fields	Specification	Evaluation
				Accelerator pedal position sender 2 -G185-	0...100%	---
			Accelerator pedal position sender 1 -G79-		0...100%	---
		Throttle valve angle (potentiometer 2 -G188-)			3...10%	---
	Throttle valve angle (potentiometer 1 -G187-)				3...97%	---

Repair group 66 -brake and clutch switch positions-
l  Engine running at idling speed
Read measured value block 66			→	← Indicated on display
xxx km/h	xxxx	xx km/h	xxxx
1	2	3	4	← Display fields	Specification	Evaluation
					---	---
		Brake and clutch switch positions			0000	→ Anchor
	Road speed				0 km/h	---

Significance of the figures in the 4-digit display, display field 2, brake and clutch switch positions

1	1	1	1	Significance
				Brake depressed (brake light switch)
			Brake depressed (brake pedal switch)
		Clutch depressed
	Always 0