DME 7.8 DME 7.80 · Affected terminals

DME 7.8 DME 7.80 Affected terminals Terminal IV/13 Note! ♦The system operates in pedal sensor standby mode, i.e. the angle of the accelerator pedal is calculated from the residual position sensor signal. ♦The maximum pedal value is limited to 30 %. ♦The dynamic is limited. Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check wiring from DME ♦Connect special tool 9637 to ∞ Ω Repair wiring har- control module, Pin IV/ wiring harness (DME control ⇒ Step 2 ness 13, to pedal sensor, Pin module plug) → End 2, for short circuit to ♦Measure resistance between ground special tool Pin IV/13 and ground 2 Replace pedal sensor → End → End 428 Accelerator pedal position sensor 2 - above limit Diagnosis conditions • Ignition on (approx. 30 sec.) • Battery voltage greater than 7 V Possible fault cause ♦Short circuit to B+ ♦Pedal sensor Affected terminals Terminal IV/13 0-193 page 2 2078 P1578 p1578 Printed in Germany, 2000