Audiovox ASH300 Guide de démarrage rapide
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IMPORTANT:
HITCHLOCK
KEY CODE
OBSTACLE SENSING SYSTEM
FOR
TRAILER HITCH MOUNTING
Owner/Installation Manual
ATTENTION:“REFERTOYOURKEYSFORCODE”
YOURKEY CODEIS:
CUSTOMERSERVICE (800)225-6074
Place in owner’s glove box for future reference
MODEL: ASH300
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Congratulations
Fig.F
Fig.D
Fig.C Fig.E
Fig.A
Your purchase of the Hitch Mounted Wireless Reverse Obstacle Detection System will provide you with a state of
the art, highly sophisticated, ultrasonic obstacle detection device for your vehicle. It is manufactured to ISO
standards, and under normal circumstances requires little maintenance. Under no circumstances should you
attempt to open the Sensing Unit or RF Receiver. Doing so will void all manufacturer’s warranties. (Step weight
should be limited to less than 250 pounds or 110kgs.)
Kit Contents:
Your Obstacle Detection Kit contains the following items:
(1) Sensing Unit, with 2-pin Power harness, (Fig.A)
(1) 7way Power Plug, with 18” 2-pin harness. (Fig.B)
(1) *Wireless RF Receiver. (Fig.C)
Factor Programmed to match A and C
(1) HitchLock with (2) keys. (Fig.D)
(2) Foam Stabilizers (Fig. F)
(2) Hitch Lock Spacers (Fig. G)
Fig.B
Fig.G
(1) 2 Pin Reverse Power Hard Wire Kit: (Fig.E)
(1) 2-pin plug with 9 foot wire harness
(2) 22-18awg Red ScotchLock
(6) 8” tie straps for securing wires
(1) inline mini blade fuse holder 2A
(2) spare blade fuses included
(2) butt splice red
(1) Installation Instruction Sheet
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Understanding your Obstacle Detection System’s functions
Your system sends and receives Ultrasonic Signals that are projected from sensors mounted in the Sensing Unit.
As the signals “echo” off of objects in the detection field, and return to the sensors, the systems’s microprocessor
exports them to its onboard, output signal transmitter. These signals are transmitted through Radio Frequency
Waves to the Chime Module located in the vehicle. The detection signals are then translated into audible warnings
for the driver.
Your system will detect and notify the driver with 3 distinct “Tones” (beeps), which correspond with your vehicle’s
distance to objects in the detection zone. Upon engaging into reverse gear, you should hear 1 distinct tone. This
serves multiple functions:
1) Notification that the system is active and is scanning for objects in the detection field.
2) As a reminder that you have selected the reverse gear.
3) As an indication that your system has performed a self check. If more than one “quick beep” occurs
your system may need to be checked. If warning tones continue after reverse gear is initially selected, check for
obstacles behind the vehicle. If nothing is behind the vehicle refer to the troubleshooting guide.
Overview of your detection Zones and Notifications
Zone 3 Zone 2 Zone 1
0-3feet 3-5feet 5-7feet Wireless RF Receiver:
(A) Speaker
(B) Volume/LED Slider
(C) Visual Indicator LED
(D) Volume & Reprogram
Control
“Zone1” Slow beeps and Slow Green flashing LED from the
wireless receiver.
“Zone2” Rapid beeps and Rapid Yellow flashing LED from the
wireless receiver.
“Zone3” Solid tone and Solid Red LED from the wireless
receiver.
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Your Wireless Receiver uses RF (radio frequency) technology to communicate with the control module. This
receiver plugs into a vehicle Cigarette lighter or other similar power source. The receiver features: (Fig A)
A) Internal Piezo speaker for efficient audio warning tones (beeps).
B) Slide cover to to adjust volume of speaker or to cover L.E.D. Cover slides front to back to either cover speaker
ports to lower volume levels, or to cover L.E.D if lighting is not desired.
C) Multi-color visual indicator L.E.D for Zone by Zone Visual alerts. The L.E.D colors include Green, Yellow, and
Red. See page 3 for Specifications and Relationship to “Zones”.
D) Reset style button access hole. Functions as the RF Receiver Hi/Lo volume toggle, and RF Receiver
programming port.
How to Adjust the Volume and Reprogram the RF Receiver
Your RF Receiver features a programming port. This port has two programming functions:
(1) Programming the RF Receiver to the sensing unit. (Normally Preset from Factory)
(2) Hi/Lo volume selector.
Hi/Lo Volume selection:
To change the Volume setting on the Receiver, the control module should be connected and
the vehicle “do not start the vehicle,” should be in the reverse gear with the parking brake
set. Using a Toothpick, or similar non-metal “probe”, insert into programming port and
press and release quickly.
* Programming: (Fig.B)
To program your receiver, an additional, or a replacement Receiver to the sensing unit, the
vehicle should be in the reverse gear, “do not start the vehicle,” with the parking brake set.
Using a Toothpick, or similar non-metal ”probe”, insert it into programming port and press
and hold for at least 5 seconds, then release. Upon releasing the reprogramming button,
you will hear one long confirmation chirp. After reprogramming, test the system by slowly
backing toward a large object that will be detected in each zone. If you still experience
problems, call (800) 225-6074.
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Understanding your Wireless Receiver
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No Function in Reverse Check power to receiver and transmitter
Reprogram Receiver
Check Fuse in Receiver
Check in-line fuse in Sensing Unit
Check 7-way harness
Check Ground Wire
Inconsistent Operation Refer to page 4 Reprogramming Wireless
Receiver.
Constant Tone in Reverse Always check for object behind vehicle
Make sure sensors are clean of debris
Care
To prevent power wire harness damage, remove Hitch Unit and unplug all power wires prior to driving through
automatic car washes.
Keep sensors clear of any solid mass or debris to maintain accurate performance.
Troubleshooting (For additional information, please contact your installation center.)
Symptom Remedy
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Situations Where Momentary, or No Detection is Experienced
Your system utilizes highly advanced Ultrasonic technology to locate objects in your vehicle’s path. Under some
circumstances however, an object may not be detected. Always use extreme caution when reversing, looking
behind your vehicle and maintaining speeds of less than 3 miles-per-hour.
A small object, which is under your bumper or
too close to the vehicle, may not be detected due to the
dispersion of the sensor’s signal.
When reversing down a steep slope or driveway, gravel
and/or the road surface may cause momentary detection
signals due to the sensors following the sloping angle of
the vehicle
Reversing on loose gravel, rough surfaces, and pot holes
may produce intermittent detection due to the signal
bouncing off of reflective surfaces behind the vehicle.
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Reversing at an angle towards a partial wall or other
large flat surface may refract ultrasonic signals, causing
an object not to be detected.
If reversing towards a 90 degree angle, such as a corner
of a wall or pillar, sensor detection pattern will refract as
shown until vehicle is close enough to receive signal
back from corners. In such situations, vehicle could
reach very close distances before detecting.
Due to natural projection angle of the sensors, a natural
“no coverage” area is common with the system at the
outer corners of the vehicle. This may occur at about 0-
10” from the bumper’s outer corners.
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Installation Guide
ThisHitch-MountedWireless Reverse ObstacleDetectionSystemis
forTrailerHitchHeightsOver 15” FromRoadSurface.
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Your system can be installed with a few easy steps, providing your vehicle comes equipped with a 7-way
connector socket and a standard 2” Hitch Receiver. If your vehicle is not equipped with a 7-way connector, you
can obtain a power connection using the provided 2-pin reverse power hardwire kit and retreive power at the
reverse light harness.
You can begin by inserting the 7way plug
into the vehicle’s 7way socket, (Fig.A).
Insert the Sensing Unit into the Trailer
Hitch of the vehicle, (Fig.B).
Use the HitchLock to secure the
2” sleeve and the Sensing Unit into the
vehicle’s trailer hitch receiver, (Fig.C).
The RF Receiver will be plugged into the
vehicle’s cigarette lighter, or similar 12 volt
port. (Fig.D)
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Hitch Receiver Conversion and Hardwire Kit
Most vehicles come equipped with a 1¼” or a 2” trailer hitch receiver. Your system can be converted to fit the
vehicle’s receiver by simply sliding the 2“ sleeve (A), off the center of the 1¼” system shaft for use on 1¼” hitch
receivers. The hitch-lock kit (C,D,E) comes with 2 sizes of pin shafts (C and D) to accommodate the 2” and 1¼”
hitch pin holes. Included are rubber hitch lock spacers (G) designed to take up slack between the hitch receiver
pin holes and hitch-lock. The foam stabilizers (F) are included to take up slack between unit and vehicle’s hitch
receiver.
If your vehicle does not have a 7-way trailer plug, your system includes a 2-pin reverse power harness kit (H). For
instructions, please refer to install card included with hardwire install kit.
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