Display Group 245 - Volkswagen CJDA Workshop Manual

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
6.3.4 Display group 4 - Activation of injectors
-N30...N33-
Test prerequisites
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Display Operating mode or component
zone
1 Engine speed
2 Start of main injection activation
3 Duration of main injection activation
4 Pressure in high-pressure fuel system
(actual)
Evaluation: display group 4, display zone 2 - start of main
injection activation:
Display shows Possible cause of fault
Above specification
◆ Engine too cold
6.3.5 Display group 5
Display Operating mode or component
zone
1 Engine speed
2 Engine start, quantity on start-up
3 Engine start, start syn.
4 Coolant temperature
6.3.6 Display group 7 - Temperatures
Test prerequisites
● Ignition switched on.
● Engine is off and cooled down.
Display Operating mode or component
zone
1 Fuel temperature
2 Engine oil temperature
3 Intake air temperature
4 Coolant temperature
114
Repair Group 01 - Vehicle self-diagnosis
Specification
880...1090 rpm
-2.5...0.5°CrS
270...550 ms
320...780 bar
Fault remedy
– Run engine at increased speed to
warm up, and repeat test
Value range
0...5865 rpm
0...70 mg/stroke
0 .. 255 -
-90...139.5°C
Specification
Approx. ambient tem-
1)
perature
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Approx. ambient tem-
1)
perature
Approx. ambient tem-
1)
perature
Evaluation
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⇒ P age 114
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Evaluation
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Evaluation
⇒ P age 115
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⇒ P age 115
⇒ P age 115