Volkswagen CJDA, Руководство по ремонту

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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
zone
Operating mode or component Specification Evaluation
1 Engine speed 880...1090 rpm ---
2 Start of main injection activation -2.5...0.5°CrS
⇒
Page 114
3 Duration of main injection activation 270...550 ms ---
4 Pressure in high-pressure fuel system
(actual) 320...780 bar ---
Evaluation: display group 4, display zone 2 - start of main
injection activation:
Display shows Possible cause of fault Fault remedy
Above specification
◆
Engine too cold
– Run engine at increased speed to
warm up, and repeat test
6.3.5 Display group 5
Display
zone
Operating mode or component Value range Evaluation
1 Engine speed 0...5865 rpm ---
2 Engine start, quantity on start-up 0...70 mg/stroke ---
3 Engine start, start syn. 0 .. 255 - ---
4 Coolant temperature -90...139.5°C ---
6.3.6 Display group 7 - Temperatures
Test prerequisites
● Ignition switched on.
● Engine is off and cooled down.
Display
zone
Operating mode or component Specification Evaluation
1 Fuel temperature Approx. ambient tem-
perature
1)
⇒
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2 Engine oil temperature --- ---
3 Intake air temperature Approx. ambient tem-
perature
1)
⇒
Page 115
4 Coolant temperature Approx. ambient tem-
perature
1)
⇒
Page 115
3
Industriemotoren - Industrial Engines 2009
▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
114 Repair Group 01 - Vehicle self-diagnosis