DME 7.8 DME 7.8 0 · 0-149.2P1331

DME 7.8 DME 7.8 0 0-149.2P1331 Inlet camshaft output stage, bank 2 - open circuit Diagnosis conditions • Engine running Possible fault cause ♦Open circuit in triggering wire ♦Open circuit in B+ supply ♦Solenoid hydraulic valve faulty Affected terminals V/8 Diagnosis/troubleshooting Note! The wiring for the solenoid hydraulic valve is routed via the connector X 59/1 pin 15 Work instruction Display OK If not OK 1 Check triggering wire for ♦Connect special tool 9637 to 0 - 5 Ω continuity. wiring harness (DME control module plug) ♦Remove connector on the sole- noid hydraulic valve ♦Measure resistance between V/ 8 and solenoid hydraulic valve connector pin 2 2 Check B+ supply for sole- ♦Remove connector on the sole- Battery positive volt- noid hydraulic valve noid hydraulic valve age ♦Switch on the ignition ♦Measure voltage of solenoid hydraulic valve connector pin 1 and ground 3 Check resistance of sole- ♦Measure resistance of solenoid 8 - 12 Ω at 20° C noid hydraulic valve hydraulic valve between pins 1 and 2 1536 P1331 0-149.2 page 1 Printed in Germany – 8, 2002 p1331