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Home >> Porsche >> 1997 >> Boxster Standard >> Repair and Diagnosis >> Engine Performance >> System >> DME 5.2.2 Diagnosis >> DTC P0123: Throttle Position Sensor - Above Limit >> Diagnosis Procedure >> Check TP sensor

Check TP sensor

  1. Connect special tool 9616 to wiring harness (DME control module connector).
  2. Connect ohmmeter to pin 44 and pin 53.

Display: approx. 2.0 - 3.0 infinity ohms

Fully depress accelerator pedal.

Display: approx. 0.7 - 1.4 infinity ohms

If there is no display, check the TP sensor directly.

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