Navigator functional description
- Make
- Fiat
- Model
- Doblò Factory Service Manual
- Year
- 2000–2010
- Section
- Instrument panel › Navigator functional description
NAVIGATOR FUNCTIONAL DESCRIPTION
The navigation system electronic circuit built into radio P20 is supplied directly at pin 7 of connector A by a line protected by fuse F39 in under-dashboard junction unit B02 and from fuse F1 of engine compartment junction unit B01.
The supply controlled by the ignition (INT) reaches pin 4 via the line protected by fuse F49 of the junction unit under the dashboard B002.
Navigation system P20 communicates with the body computer via pins 1 and 3 of connector A. It also receives a power supply from the body computer for the interior lighting via a line protected by fuse F51 within pin 15 of connector D.
Pin 12 of connector D of the navigation system is earthed.
The speedometer signal generated by sensor K84 is sent to body computer M01 at pin 17 of connector C and then sent to the radio (pin 11 connector d) from pin 23 of connector E.
The reversing signal reaches pin 3 of connector D
Aerial signal P25 enters the navigation system at pin 5 of connector A.
Pins 9 and 18 of connector D are connected to the handsfree microphone built into courtesy light G10 for the mobile phone function.
The body computer may be suppied via pin 11 connector E (ignition-operated supply) and pin A connector C (direct supply) of junction unit B02. Fuse F1 in engine compartment junction unit B01 protects the direct power supply.
Pins 8 and 9 of connector D of the body computer are earthed.
Parts & tools for this job For 2000 Fiat Doblò
- TOOLDigital multimeterSearch: automotive digital multimeter
- PARTAssorted fuse kitSearch: car fuse assortment kit
- TOOLWire crimper and connector kitSearch: wire crimper connector kit
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