6.3.8 Display group 11 - Charge pressure control
Test prerequisites
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Display
zone
Operating mode or component
Specification
Evaluation
1
Engine speed
880...1090 rpm
---
2
Charge pressure (specified)
---
3
Charge pressure (actual)
---
4
Duty cycle of charge pressure control sol-
enoid valve
xxx %
---
1)
The values displayed at “idling speed” are not relevant.
6.3.9 Display group 12 - Status
Test prerequisites
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Display
zone
Operating mode or component
Specification
Evaluation
1
Glow plug system status
1111 1111
2
Glow period (in seconds)
xx,x s
---
3
Voltage supply from automatic glow peri-
od control unit
Approx. battery voltage
---
4
Coolant temperature
80.0...110.0°C
---
Evaluation: display group 12, display zone 1 - glow plug
system status
Note
Meaning of figures in 8-digit number block for status of glow
plug system:
Significance if display = 1
Dis-
play
show
s
Glow plug system status
0000
0000
Waiting for coolant temperature
0001
0000
Pre-heating
3
Industriemotoren - Industrial Engines 2009
▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
116
Repair Group 01 - Vehicle self-diagnosis