Description of operation
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- E3031 Heated rear window › Description of operation
DESCRIPTION OF OPERATION
The heated rear window relay, in junction unit B1 (connector A) , controls defrosting and also the heated rear window P55.
The heated rear window relay is supplied by a direct line from the battery through fuse F14- of junction unit B1 - and maxifuse J/B1 of B5.
The heated rear window relay coil is supplied from the ignition switch power supply (INT/A) by the line from fuse F12 of B1.
An earth signal coming from the button in the switch control group H90 (from pin 10 of connector A) energises the relay coil, thus supplying the rear window resistors P55.
The same line also lights up the relevant activating button.
The entire switch control group H90 (pin 5 of connector A) is in any case lit up through ignition switch power supply(INT) by the line protected by fuse F22 of B1.
COMPONENTS
| Code component | Description | Unit reference |
|---|---|---|
| B1 | Fuse carrier | 5505A |
| B5 | MAXI FUSE box | - |
| C20 | Right dashboard earth | 5505A |
| C30 | Rear left earth | - |
| D46 | Front/dashboard - rear connection | - |
| D85 | Rear/tailgate contact board | 5505A |
| H1 | Ignition switch | 5520A |
| H90 | Switch control group | 5505A |
| P55 | Heated rear window | 7035B |
Parts & tools for this job For 1998 Fiat Seicento
- TOOLTrim removal tool kitSearch: trim removal tool kit
- PARTTouch-up paintSearch: Fiat touch up paint
- PARTPanel clip assortmentSearch: Fiat panel clips assortment
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