DME 7.8 DME 7.80 · 579 Valve Lift Control, Bank 1, Output Stage - Below

DME 7.8 DME 7.80 579 Valve Lift Control, Bank 1, Output Stage - Below Limit Diagnosis conditions • Engine running Possible fault cause ♦Short to ground triggering wire ♦Solenoid hydraulic valve faulty Affected terminals III/1 Diagnosis/Troubleshooting Work instruction Display OK If not OK 1 Check triggering wire for ♦Connect special tool 9637 to ∞ Ω short to ground wiring harness (DME control module plug) ♦Remove connector of the sole- noid hydraulic valve ♦Measure resistance between III/ 1 and ground 2 Replace solenoid hydrau- lic valve 579 Valve Lift Control, Bank 1, Output Stage - Above Limit Diagnosis conditions • Engine running Possible fault cause ♦Short circuit to B+ triggering wire Affected terminals III/1 0-154 page 2 3755 P1344 p1344 Printed in Germany – 2, 2000