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Fiat Panda Factory Service Manual (2003-2012)23 · Fault diagnosis
23 · Diagnostics

Pressure sensor error

Make
Fiat
Model
Panda Factory Service Manual
Year
2003–2012
Section
Examiner › Pressure sensor error
Fault diagnosisPressure sensor error

PRESSURE SENSOR ERROR

The diagnostic equipment signals the following error: "C1131 - Pressure Sensor"

This error may be signalled if there is an open circuit or short circuit (positive or earth) for the wiring or the brake lights switch, if the pressure sensor, the reading circuit or the brake lights switch is damaged, if the sensor does not receive the correct power supply or if the brake lights switch is not correctly calibrated

1BRAKE PEDAL SWITCH CHECKAll OKProblems encounteredOperation

Connect the Examiner, enter into the fault diagnosis in the "PARAMETERS" mode (Engine management) and check the "BRAKE PEDAL STATUS" parameter.

Press the brake pedal and read "PRESSED".

Release the brake pedal and read "RELEASED"

Move on to Step 5 1Incorrect readingMove on to Step 2 1
2BRAKE PEDAL SWITCH CHECKAll OKProblems encounteredOperation

Check the condition of the brake pedal switch

Vedere Prova 5550DA VERIFICA FUNZIONALITÀ INTERRUTTORE SU PEDALE FRENO

Move on to Step 4 1Switch faulty

Replace the brake pedal switch and continue to Step 5

Op. 5550D10 BRAKE LIGHT SWITCH - R+R

3ELECTRICAL CHECKSAll OKProblems encounteredOperation

Check that the electrical connections for the brake lights circuit are correct

Check the continuity of the wiring between the pressure sensor and control unit

See E7023 ESP

Also check that the brake lights are not burnt out

Move on to Step 2 1
  • Wiring faulty
  • Brake lights burnt out
  • Repair the wiring
  • Replace the burnt out bulb and move on to Step 5
4BRAKE PEDAL SWITCH CHECKAll OKProblems encounteredOperation
Check the brake pedal switch is correctly adjustedMove on to Step 5 1Switch not correctly adjustedAdjust the brake pedal switch with reference to Service News 3350 E 000 AA N°33 03.02

Parts & tools for this job Staging For 2003 Fiat Panda

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