The Electronic Parking System FBSN-8D is a sophisticated device designed to assist drivers with maneuvering by detecting obstacles.
Function Description
The system operates by activating front sensors upon ignition. These sensors immediately begin detecting obstacles and signaling their presence. When shifting into reverse gear, a control signal is emitted, activating both front and rear sensors. Obstacles are then audibly signaled via a speaker, with the beeping frequency increasing as the obstacle gets closer. The speaker volume is adjustable.
The system distinguishes between different detection zones: R1, R2, R3 for the rear, and F for the front. These zones are further categorized by the height of the tone. A continuous tone indicates a STOP zone (FC, RC). The range of these zones can be adjusted to suit the vehicle's geometry. Front sensors only signal obstacles in the STOP zone if they are not approaching.
To prevent undesirable signaling, the system offers several sensor deactivation options:
- Automatic Deactivation: Front sensors automatically deactivate if the vehicle speed exceeds approximately 10 km/h.
- Push-button Deactivation (optional, code SWEPS8006F): A push-button allows for temporary deactivation of the front sensors. A lit button indicates active front sensors. A short press deactivates front sensors until the next shift into reverse gear or the next ignition ON. A long press (longer than 2 seconds) deactivates them until the next ignition ON. Sensors can be reactivated at any time by pressing the push-button again.
- Time Window: If vehicle speed data is unavailable, front sensors activate only after ignition ON, shifting into reverse, or pressing the push-button. Deactivation occurs automatically after a set time following ignition ON, reverse gear disengagement, or push-button press.
- DISABLE Input: Rear sensors can be deactivated via a switch (optional, code SWEPS8006R) or by connecting to the chassis (pos.7) through the cable box (8), pos.19, for use with a towing bar socket.
If the MUTE function is enabled, the car audio system automatically fades out during obstacle indication.
WARNING: Even with the electronic parking system installed, it is crucial to carefully observe the vehicle's surroundings during maneuvering. Small obstacles and items with low reflectance may not be detected by the system.
Important Technical Specifications
- Supply Voltage: 9-30V
- Current Consumption (ignition on): 350mA max.
- Range of Service Temperatures: -25...+70°C
- Frequency of Ultrasound: 40 kHz
The system's main control unit (FBSN-8D) features a service display and two push-buttons for displaying and adjusting parameters.
Parameter Review:
- Volume of the speaker (01): 0=off, 1=low, 2=high (Factory Set: 2)
- Range of front central sensors (02): 50-95 cm (Factory Set: 80 cm)
- Range of front corner sensors (03): 50-95 cm (Factory Set: 55 cm)
- Range of rear central sensors (04): 120-180 cm (Factory Set: 160 cm)
- Range of rear corner sensors (05): 50-95 cm (Factory Set: 55 cm)
- STOP zone of front central sensors (06): 25-50 cm (Factory Set: 35 cm)
- STOP zone of front corner sensors (07): 25-50 cm (Factory Set: 25 cm)
- STOP zone of rear central sensors (08): 35-70 cm (Factory Set: 35 cm)
- STOP zone of rear corner sensors (09): 35-70 cm (Factory Set: 35 cm)
- Suppression of spare wheel indication (10): 0=off, 1=activated by jumper (Factory Set: 0)
- Number of speed signal pulses (11): 1-99 pulses/m (Factory Set: 3)
- Delay of front sensors deactivation (12): 0, 10-60 s (Factory Set: 0, 0=function not activated)
- Delay of rear sensors activation (13): 0, 1 (Factory Set: 0, 1=for automatic gearbox)
- Service display (15): 0, 1, 2, 3 (Factory Set: 0, 0=function not activated, 1=distance of nearest front obstacle, 2=distance of nearest rear obstacle, 3=calculated vehicle speed)
- Front obstacle indication (16): 0, 1 (Factory Set: 0, 0=nearing obstacle only, 1=all obstacles)
Note: STOP zone refers to the distance from the sensor at which the obstacle is indicated by a continuous tone.
Usage Features
The system includes:
- 4 front sensors (1) marked green.
- 4 rear sensors: 2 central (2) marked black, 2 corner (3) marked blue.
- Main control unit (4) with display and operating buttons, located under the dashboard.
- Rear control unit (7) in the boot.
- Front cable harness (5).
- Rear cable harness (8) with a link cable for data transmission.
- Speaker (6).
Installation of Sensors:
- For metal bumpers, appropriate adapters are required.
- Sensor placement conditions are detailed in the manual. Brackets (9) require ø18mm holes, while brackets (11) and (12) require ø24mm holes.
- Sensors and brackets can be painted to match the bumper color using preparation (19) and a suitable primer (15).
- Primer (15) should be applied to brackets (9) and allowed to dry for at least 1 minute before applying bonding tapes (10).
- Before attaching brackets (9) to the bumper, clean the area around the holes and apply Primer (15). After drying, insert the sensor into the bracket, remove the cover foil, insert the sensor into the hole, and press the bracket firmly. Ensure the sensor connector is horizontal.
- Green sensors are placed in the front bumper, blue sensors in the rear bumper corners, and black sensors in the center of the rear bumper.
Installation of Cabling:
- The front cable harness box is placed under the dashboard, and sensor cables are routed through the engine area to the front bumper. Sensors are joined along their length.
- Connect the black-blue conductor to the +12V ignition-switched voltage, the brown conductor to the vehicle chassis, and the black-yellow conductor to the speed indicator signal. The number of pulses per 1m needs to be adjusted after assembly. The grey-red conductor connects to the MUTE input of the audio system.
- The rear cable harness box is placed in the boot, and sensor cables are routed to the rear bumper. Sensors are joined according to their distinguishing colors. Connect the black-blue conductor to the rear light and the brown conductor to the vehicle chassis.
- Route the link cable to the front cable box. Mount the red-yellow conductor to pos.17 and the brown conductor to pos.5.
- Attach the speaker to a suitable location under the dashboard. Mount the yellow conductor to pos.15 and the blue conductor to pos.3 in the front cable box.
- Place the main control unit under the dashboard, ensuring operating buttons and the display are accessible. Connect the front cable harness box.
- Place the rear control unit in a suitable location in the boot and connect the rear cable harness box.
Maintenance Features
Problems Solving:
- Faulty Tone (3 seconds after ignition ON or reverse gear shift): Indicates a disconnected or damaged sensor. The main control unit displays the number of the faulty sensor (e.g., "E 1"). If multiple sensors are faulty, their numbers will be displayed sequentially and indicated audibly by beeps. Rear sensors are tested after shifting into reverse gear. Change faulty sensors immediately as the entire device will be out of order.
- Sensor 1: Front sensor with the shortest cable.
- Sensor 4: Front sensor with the longest cable.
- Sensor 5: Rear sensor with the shortest cable.
- Sensor 8: Rear sensor with the longest cable.
- Irregular False Obstacle Indication:
- Frost on sensors: Clean the sensors.
- Sensors placed too low: Use angle brackets (12) to tilt the sensor axis upwards.
- Rear side of sensors in contact with chassis: Create separation between the sensor and vehicle body.
- Unwanted Obstacle Indication from Protruding Parts (e.g., spare wheel): Mount the jumper (18) to the rear cable box (8), positions 16 and 4.
- Disconnecting Wires from Control Unit Cable Box: Use the attached extraction tool (16).
- Connecting Wires to Control Unit Cable Box: Use the attached spare contact (17).
Parameter Adjustment:
- Service State Activation: Long press (over 2 seconds) any button. The display shows the parameter number.
- Parameter Selection: Use the left button to go down, right button to go up.
- Display Parameter Value: Long press (over 2 seconds) any button. The value will blink.
- Change Parameter Value: Use the left button to go down, right button to go up.
- Store New Value: Long press (over 2 seconds) any button. The new value is stored, and the parameter number is displayed again.
- Exit Service State: Automatically exits if no button is pushed for a certain time.
- Factory Settings Restoration: Simultaneously long press both buttons (over 2 seconds).
WARNING: Unprofessional manipulation with parameters can seriously limit the utility of the device.
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