DME 7.8 DME 7.80 · 322 Position of Camshaft in Relation to Crankshaft,

DME 7.8 DME 7.80 322 Position of Camshaft in Relation to Crankshaft, Bank 1 – Above Limit Diagnosis conditions • Idle speed • Reference mark recognized • Engine speed between 600 rpm and 1.200 rpm. • Engine temperature greater than 40 °C • No fault in camshaft position sensors • Reference mark OK • No fault in camshaft adjustment • No fault in engine temperature • No fault in camshaft adjustment output stage Possible fault cause ♦Solenoid hydraulic valve camshaft adjustment faulty ♦Allocation of camshaft to inlet camshaft incorrect Affected terminals - Diagnosis/Troubleshooting Work instruction Display OK If not OK 1 Check solenoid hydraulic ♦Remove connector on solenoid See Figure 2 Replace solenoid valve camshaft adjust- hydraulic valve Step 2 hydraulic valve ment →End ♦Connect special tool 9675 to the solenoid hydraulic valve and to a power supply. ♦Connect oscilloscope or engine tester to the special tool 9675 ♦Set 12 V ♦See Figure 1. ♦Set switch on special tool 9675 to 1 0-150 page 2 1536 P1340 p1340 Printed in Germany – 4, 2002