Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 815
DME 7.8 DME 7.8 0 · 0-131P1219
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DME 7.8 DME 7.8 0
0-131P1219
256 Accelerator pedal - signal implausible
Diagnosis conditions
• Ignition on (approx. 30 sec.)
• Battery voltage greater than 7 V
Possible fault cause
♦Pedal sensor
Affected terminals
-
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.
♦The fault code only appears together with P1577 or P1578.
♦The pedal value is reset to zero by actuating the brake.
Diagnosis/troubleshooting
Work instruction Display OK If not OK
1 Replace pedal sensor → End
2078 P1219 0-131 page 1
Printed in Germany, 2000 p1219
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