seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Evaluating measured value blocks, display groups 120...129 -Communication- > < Evaluating measured value blocks, display groups 70...79 -Reducing emissions-
Motronic injection and ignition system (1.8 l engine)
Evaluating measured value blocks, display groups 110...119 -Charge pressure control-
Evaluating measured value blocks, display groups 110...119 -Charge pressure control-

Display group 113 -Charge pressure control-

▪ Engine running at idling speed

Read measured value block 113

◂ Indicated on display

xxxx rpm

xxx.x %

xxx.x %

xxx mbar

1

2

3

4

◂ Display zones

Specification

Evaluation

atmospheric pressure (air pressure)

500...1200 mbar

Throttle valve angle (potentiometer 1 -G187)

0...100 %

---

Engine load

10...25 %

=> Page 01-120

Engine speed (idling speed):

760...880 rpm

=> Page 01-109

Evaluating display group 113, display zone 4 - atmospheric pressure

Elevation

Air pressure

0 m

998 mbar

500 m

954 mbar

1000 m

902 mbar

1500 m

853 mbar

2000 m

805 mbar

2500 m

756 mbar

3000 m

704 mbar

3500 m

655 mbar

4000 m

607 mbar

Note:

The air pressure can fluctuate depending upon the atmospheric conditions.

Display group 114 -Charge pressure control-

▪ Whilst driving

Read measured value block 114

◂ Indicated on display

xxx.x %

xxx.x %

xxx.x %

xxx.x %

1

2

3

4

◂ Display zones

Specification

Evaluation

Charge pressure control solenoid valve duty cycle

0...100 %

---

Engine load

15...150 %

---

Specified engine load after correction (reduced via knock control, altitude adaption and coolant temperature)

max. 150 %

---

Specified engine load (mapped value via accelerator pedal position)

max. 150 %

---

Display group 115 -Charge pressure control-

▪ Whilst driving

Read measured value block 115

◂ Indicated on display

xxxx rpm

xxx.x %

xxx mbar

xxx mbar

1

2

3

4

◂ Display zones

Specification

Evaluation

Actual charge value

max. 1 800 mbar

---

Specified charge pressure

990...1 800 mbar

---

Engine load

15...150 %

---

Engine speed

760...6 600 rpm

---

Display group 116 -Charge pressure control-

▪ Whilst driving

Read measured value block 116

◂ Indicated on display

xxxx rpm

x.x %

x.x %

x.x %

1

2

3

4

◂ Display zones

Specification

Evaluation

Intake air temperature correction factor

0...-20 %

---

Coolant temperature correction factor

---

---

Fuel correction factor

0...-30 %

---

Engine speed

760...6 600 rpm

---

Display group 117 -Charge pressure control-

▪ Whilst driving

Read measured value block 117

◂ Indicated on display

xxxx rpm

xxx.x %

xxx.x %

xxx mbar

1

2

3

4

◂ Display zones

Specification

Evaluation

Specified charge pressure

990...1 800 mbar

---

Throttle valve angle (potentiometer 1 -G187)

0...100 %

---

Accelerator pedal position sender -G79

0...100%

---

Engine speed

760...6 600 rpm

---

Display group 118 -Charge pressure control-

▪ Whilst driving

Read measured value block 118

◂ Indicated on display

xxxx rpm

xxx.x °C

xxx.x %

xxx mbar

1

2

3

4

◂ Display zones

Specification

Evaluation

Actual charge value

max. 1 800 mbar

---

Charge pressure control solenoid valve duty cycle


0...100 %


---

Intake air temperature

max. 135 °C

---

Engine speed

760...6 600 rpm

---

Display group 119 -Charge pressure control-

▪ Whilst driving

Read measured value block 119

◂ Indicated on display

xxxx rpm

x.x %

x.x %

xxx mbar

1

2

3

4

◂ Display zones

Specification

Evaluation

Actual charge value

max. 1 800 mbar

---

Charge pressure control solenoid valve duty cycle


0...100 %


---

Charge pressure control learnt value

---

---

Engine speed

760...6 600 rpm

---

Evaluating measured value blocks, display groups 120...129 -Communication- > < Evaluating measured value blocks, display groups 70...79 -Reducing emissions-