Front seat lumbar adjustment not working
- Make
- Alfa Romeo
- Model
- Brera and Spider Factory Service Manual
- Year
- 2005–2010
- Section
- Seats › Front seat lumbar adjustment not working
‹ Prev Front seat backrest angle adjustment not workingNext › Locking of front backrest when folding
Fault diagnosisFront seat lumbar adjustment not working
FRONT SEAT LUMBAR ADJUSTMENT NOT WORKING
Lumbar adjustment not working.
| Test results | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
| Check that the connections are correctly fitted from the vehicle/seat | Move on to Step 1 | Connections broken/loose | Renew the correct connections | |
| 1 | CHECK ON SUPPLY TO THE SEAT | All OK | Problems encountered | Operation |
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 | |
| 2 | MOTOR POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
| Check for a power supply at the motor located at the rear of the backrest inside the front seat | End of diagnosis | Motor power supply not correct | Replace the lumbar adjustment assembly Op. 7045A39 DEVICE FOR DRIVER'S SEAT BACKREST LUMBAR ADJUSTMENT - R.R. | |
‹ Prev Front seat backrest angle adjustment not workingNext › Locking of front backrest when folding
Parts & tools for this job Staging For 2005 Alfa Romeo Brera
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Alfa Romeo Brera
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