DME 7.8 DME 7.8 0 · 0-38.8P0222

DME 7.8 DME 7.8 0 0-38.8P0222 Accelerator Pedal Potentiometer 2 – Below Limit Diagnosis conditions • Ignition on (approx. 30 sec.) • Battery positive voltage greater than 7 V Possible fault cause ♦Short circuit to ground ♦Pedal sensor 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. 2078 P0222 0-38.8 page 1 Printed in Germany – 6, 2002 p0222