Volkswagen CJDA Workshop Manual page 428

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
Special tools and workshop equipment required
◆ Hand multimeter -V.A.G 1526- or multimeter -V.A.G 1715-
◆ Auxiliary measuring set -V.A.G 1594-
◆ Test box -V.A.G 1598/42- with adapter cable
-V.A.G 1598/39-2-
◆ Current flow diagram
Test prerequisites
● Fuses must be OK.
● The battery voltage must be at least 11.5 V.
● All electrical consumers must be switched off.
● Earth connections OK
● No leaks on intake and exhaust systems
● No faults must be stored in event memory
event memory.
● Check whether charge pressure control is OK
● Check whether exhaust gas recirculation system is OK
⇒ P age
436.
● Coolant temperature must be at least 80°C, ⇒ display group
1, display zone 4.
Test procedure
Note
Only gold-plated contacts may be used when repairing contacts
in connector of air mass meter.
Checking voltage supply, engine codes CJDA, CJDD
– Pull 5-pin connector -6- off air mass meter -G70-.
– Switch on ignition.
412
Repair Group 23 - Mixture preparation - injection
⇒ P age
26, read
⇒ P age
333.