DME 7.8 DME 7.80 · Affected terminals

DME 7.8 DME 7.80 Affected terminals Terminal IV/8 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/8, wiring harness (DME control ⇒ Step 2 ness to pedal sensor, Pin 2, for module plug) → End short circuit to ground ♦Measure resistance between special tool Pin IV/8 and ground 2 Replace pedal sensor → End → End 427 Accelerator pedal position sensor 1 - 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/8 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. 0-192 page 2 2078 P1577 p1577 Printed in Germany, 2000