Workshop Manuals Factory service & repair Fiat
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Fiat Grande Punto Factory Service Manual (2005-2012)22 · Fault diagnosis
22 · Diagnostics

Front seat lumbar adjustment not working

Make
Fiat
Model
Grande Punto Factory Service Manual
Year
2005–2012
Section
Seats › Front seat lumbar adjustment not working
Fault diagnosisFront seat lumbar adjustment not working

FRONT SEAT LUMBAR ADJUSTMENT NOT WORKING

Lumbar adjustment not working.

Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check that the connections are correctly fitted from the vehicle/seatMove on to Step 1Connections broken/looseRenew the correct connections
1CHECK ON SUPPLY TO THE SEATAll OKProblems encounteredOperation

Check the power supply at the seat checking the condition of the following in order:

- fuses;

- wiring;

- switch

Move on to Step 2

1. Fuses blown

2. Wiring broken

3. Switch not working

1. Replace the fuses (searching for the cause of the problem)

2. Restore the correct wiring

3. Replace the switch

2MOTOR POWER SUPPLY CHECKAll OKProblems encounteredOperation
Check for a power supply at the motor located at the rear of the backrest inside the front seatEnd of diagnosisMotor power supply not correct

Replace the lumbar adjustment assembly

Op. 7045A39 DEVICE FOR DRIVER'S SEAT BACKREST LUMBAR ADJUSTMENT - R.R.

Parts & tools for this job For 2005 Fiat Grande Punto

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