AD07.16-S-2000-36A | Connection diagram, electric exhaust gas recirculation switchover valve, testing pneumatics, CDI | ENGINE 611.980 up to 1.11.00 in models 638.094 /194 /294 |
S07.16-4106-06
Pneumatics connection diagram, vacuum from exhaust gas recirculation switchover valve
1 Vent filter for boost pressure control pressure transducer
2 Vacuum input line
3 Y distributor
4 Exhaust gas recirculation (EGR) valve
Y12 Electric exhaust gas recirculation switchover valve
Test description
Check the exhaust gas recirculation switchover valve for correct opening and closing. Activation takes place with the HHT tool and reading off the actual values via the vacuum tester.
Test connection
Connect the vacuum tester with the Y-distributor unit between the switchover valve Y12 and EGR valve.
Carrying out the test
1 Engine at idle speed
2 Actuate the switchover valve via the HHT and read off the display on the vacuum tester