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This procedure checks the APP sensor in its fully closed
position (pedal not pressed). In any other position, the
APP sensor stores DTCs which are covered in other troubleshooting
procedures.
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Check for Pending or Confirmed DTCs with the HDS before
doing this procedure. If any DTCs are indicated, troubleshoot
them first, then do this procedure.
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Press the accelerator pedal several times to check its
operation. If it does not operate smoothly, check the pedal.
If you find a problem, replace the accelerator pedal module.
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1.
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Connect the HDS to the data link connector (DLC) (A) located
under the driver's side of the dashboard.
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2.
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Turn the ignition switch to ON (II).
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3.
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Make sure the HDS communicates with the ECM. If it doesn't, go
to the DLC circuit troubleshooting.
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4.
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Make sure the accelerator pedal is not pressed, then check the
APP SENSOR in the DATA LIST with the HDS.
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If it is 0 %, the APP sensor is OK.
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If it is not 0 %, update the ECM if it does not
have the latest software, or substitute a known-good
ECM, then go to next step.
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5.
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With the accelerator pedal not pressed, check the APP SENSOR
in the DATA LIST with the HDS.
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If it is 0 %, the APP sensor is OK.
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If it is not 0%, replace the accelerator pedal
module, then recheck.
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Inspection
Fuel Temperature Sensor Removal and Installation (R18A9)
CKP Sensor Removal and Installation (K24Z7)