DME 7.8 DME 7.8 0 · 0-175P1505

DME 7.8 DME 7.8 0 0-175P1505 404 Throttle Jacking Unit, Control Range - Open Cir- cuit Diagnosis conditions • Driving with changing pedal position Possible fault cause ♦Open circuit ♦Short circuit to B+ Affected terminals Terminal I/7 and I/9 Diagnosis/Troubleshooting Work instruction Display OK If not OK 1 Check wiring from DME ♦Connect special tool 9637 to 0 - 5 Ω Repair wiring har- control module pin I/7 to wiring harness (DME control ⇒ Step 2. ness the throttle part for conti- module plug). → End. nuity. ♦Remove connector of throttle part. ♦Measure resistance between special tool 9637 pin I/7 and throttle part plug connection pin 4. 2470 P1505 0-175 page 1 Printed in Germany – 3, 2001 p1505