Fiat DOBLO 1.6 16v da 12/03 – PARKING SENSOR – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram - PARKING SENSOR - Fiat DOBLO 1.6 16v da 12/03

PARKING SENSOR - WIRING DIAGRAM Fiat DOBLO 1.6 16v da 12/03

COMPONENTS - PARKING SENSOR - Fiat DOBLO 1.6 16v da 12/03

Component code	Name	Assembly reference
B1	Engine compartment junction unit
B2	Junction unit under dashboard	-
B2	Junction unit under dashboard
C15	Facia earth, driver''s side	-
D97	Short circuiting coupling	-
I20	Reversing lights switch
I20	Reversing lights switch
K97	Parking sensor unit	5580H
M84	Parking sensor control unit	5580H

Location of components - PARKING SENSOR - Fiat DOBLO 1.6 16v da 12/03

PARKING SENSOR - LOCATION OF COMPONENTS Fiat DOBLO 1.6 16v da 12/03

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COMPONENTS - PARKING SENSOR - Fiat DOBLO 1.6 16v da 12/03

Component code	Name	Assembly reference
B1	Engine compartment junction unit
B2	Junction unit under dashboard	-
B2	Junction unit under dashboard
C15	Facia earth, driver''s side	-
D97	Short circuiting coupling	-
I20	Reversing lights switch
I20	Reversing lights switch
K97	Parking sensor unit	5580H
M84	Parking sensor control unit	5580H

Description - PARKING SENSOR - Fiat DOBLO 1.6 16v da 12/03

The veihcle has a device that allows maximum ease of manoeuvring during parking; with reverse gear engaged, it indicates if the driver is approaching an obstacle that could be outside his field of vision, as illustrated in the diagram below.It operates according to the ultrasound sonar principle; four ultrasound transducers are located inside the rear bumper. They send signals to a control unit, which processes this information and determines the distance of possible obstacles.A loudspeaker controlled by the control unit emits an intermittent tone, proportional to the distance of the obstacle detected.The control unit is activated when reverse gear is engaged: under these conditions it energizes the transducers and prepares to receive signals from the sensors.The control unit emits a signal with an intermittent tone via the speaker with the frequency increasing as the rear of the vehicle approaches the obstacle. When the distance from the obstacle is less than 25 cm. the sound becomes acute and constant.If the distance measured from the obstacle increases or remains constant for 3 seconds (vehicle stationary) or reverse gear is engaged, the sound stops.

Functional description - PARKING SENSOR - Fiat DOBLO 1.6 16v da 12/03

When reverse gear is engaged, the positive signal for switching on the rear lights () passes through the short circuit coupling D97A . The positive supply for the parking sensor control unit M84 reaches pin 1 of connector A from pin 10 of D97A. The negative supply for the control unit M84 reaches pin 8 of connector A from the dashboard earth C15C in the rear wiring.The parking sensor speaker P44 receives signals from pins 2 and 10 of connector A for the parking control unit M84 ; pins 9 and 6 of the same connector, on the other hand, are bridged.The four parking sensors K97 are connected to connector B of the control unit M84, respectively:to pins 5, 9, 12 left exterior rear sensor K97A;to pins 3, 7, 10 left interior rear sensor K97B;to pins 1, 2, 6 right interior rear sensor K97C;to pins 4, 8, 11 right exterior rear sensor K97D.