Volkswagen CJDA Workshop Manual page 412

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Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
– Pull fuel supply line -arrow- off high-pressure pump.
– Using a suitable adapter -2-, connect K-Jetronic pressure
tester -V.A.G 1318- to fuel supply line -1-. Connect other
adapter -3- of K-Jetronic pressure tester -V.A.G 1318- to
open connection on high-pressure pump.
Note
The K-Jetronic pressure tester -V.A.G 1318- must be inserted
as an intermediate element into the fuel supply line.
WARNING
◆ It is essential that the shut-off tap of the pressure
tester is open.
◆ Make sure that all lines are firmly connected, because
they may be subject to high pressure.
– Start engine, and observe pressure tester while the engine is
started.
A pressure of > 3.5 bar must build up.
If the specification has not been attained:
– Check fuel pressure while starting
If specification has been attained:
Fuel supply to high-pressure pump is OK.
– Then, check fuel rail pressure while starting.
– Start engine and run at idling speed.
– Connect vehicle diagnostic tester, and select engine control
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unit.
– Select diagnosis function "011-Read measured value block".
When doing this, the ignition must be switched on.
– Select "Display group 20".
Indicated on display:
Note
The display zones may be shown one below the other or next to
each other on the display of the vehicle diagnostic tester.
– Have a second person start the engine, and observe display
zones 2 and 3 while the engine is started.
396 Repair Group 23 - Mixture preparation - injection
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397.
Display group 20
880 rpm xxxx bar xxxx bar xxx.x%