DME 7.8 DME 7.80 · Remove connector of throttle part:

DME 7.8 DME 7.80 Remove connector of throttle part: Work instruction Display OK If not OK 2 Check wiring from DME ♦Connect special tool 9637 to 0 - 5 Ω Repair wiring har- control module pin I/9 to wiring harness (DME control ⇒ Step 3. ness the throttle part for conti- module plug). → End. nuity. ♦Remove connector of throttle part. ♦Measure resistance between special tool 9637 pin I/9 and throttle part plug connection pin 1. 3 Check resistance of ♦Connect special tool 9637 to 1.2 to 1.6 Ω Replace throttle part motor actuator in throttle wiring harness (DME control (at 20 °C) → End. part. module plug). ⇒ Step 4. ♦Measure resistance between special tool 9637 pin I/7 and pin I/9. 4 Replace DME control module. ⇒ Step 5. 5 Perform adaptation. ♦Switch on the ignition. → End. → End. ♦Wait one minute. ♦Do not press the accelerator. ♦Switch off the ignition for at least 10 seconds. ♦Read out the fault memory. 404 Throttle Jacking Unit, Control Range - Below Limit Diagnosis conditions • Driving with changing pedal position 0-175 page 2 2470 P1505 p1505 Printed in Germany – 3, 2001