BigRoad DashLink User manual
DashLink Install Guide - Page 1
Contents
Requirements
Step 1: Locate the diagnostic port
of the vehicle
Step 2: Connect the adapter cable
to the diagnostic port
Step 3: Connect the adapter cable to
the DashLink device
Step 4: Attach the DashLink device
to the vehicle
Step 5: Configure
BigRoad Truck
for DashLink
Step 6: Driver
card and paper
logbook
Troubleshooting
DashLink Install Guide
Page 2
Page 3
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
DashLink Install Guide - Page 4
Step 2: Connect the adapter cable to the diagnostic port
Rotate the collar to align the
collar tabs with the matching slot
on the diagnostic port, press
firmly until the adapter cable is
fully connected, then rotate the
collar clockwise until it clicks:
Step 3: Connect the adapter cable to the DashLink device
Plug in the male DB15 connector on the adapter cable to the female DB15
connector on the DashLink device. Rotate to fully tighten the plastic screws.
DashLink Install Guide - Page 5
Step 4: Attach the DashLink device to the vehicle
The installation location should be chosen to
ensure the DashLink device and the adapter
cable do not obstruct the driver. For example,
underneath the dash attached using cable
ties, or attached using hook & loop tape on a
flat bare section on top of or on the front of
the dash.
To use hook & loop tape apply a 3.75” (9.5cm)
length of hook tape to the VNA-BT (avoid
obscuring the printed device ID value):
Clean and dry your chosen location on the
dash, apply the loop tape, then attach the
DashLink device.
Tidy the installation
If there is any loose cabling tie it off with cable
ties. Be careful to avoid obstructing the driver.
DashLink Install Guide - Page 6
Step 5: Congure BigRoad Truck for DashLink
Launch the BigRoad application on an Android device and sign in to
your fleet.
If the vehicle has previously been added to the BigRoad account for
your fleet, then ensure it is selected in the mobile app by pressing the
menu button, choosing “Switch Truck” and selecting the truck.
Otherwise add a new truck:
a. Press the menu button
b. Choose “Switch Truck”
c. Press “Add”
d. Enter the correct truck number,
license plate and odometer
units (miles/km)
e. Press “Add Truck”
Navigate to the DashLink screen by pressing the menu button,
choosing “Settings”, then “DashLink”.
Turn on the vehicle.
Press “Connect DashLink”.
Ensure the DashLink device is found and the VIN that is shown
matches the VIN of the vehicle. If no VIN is shown then ensure the
device ID that is shown matches the value printed on the DashLink
device. If the VIN or device ID does not match then choose “Skip”
until the correct DashLink device is shown.
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DashLink Install Guide - Page 7
Step 5: Congure BigRoad Truck for DashLink continued...
Step 6: Driver card and paper logbook
Press “Connect”.
Verify the reported odometer matches the odometer value on the
instrument cluster of the truck. If not then enter the correct value.
Verify the DashLink connection is correctly established (may take
up to 60s).
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Go to www.bigroad.com/driver-card and download the “AOBRD Driver
Card”. Print a copy and put it in the vehicle. This card must be shown
during a roadside inspection. Failure to provide it can result in fines
and/or violations.
This is one of the primary sources of violations for AOBRD users
during a roadside inspection. BigRoad suggests that you laminate
the driver card and affix it to the truck. Inspectors will generally
not accept electronic copies of the driver card.
Ensure the driver has a paper logbook with at least 14 days of available
forms. This logbook must be shown during a roadside inspection and
failure to provide it can result in fines and/or violations.
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DashLink Install Guide - Page 8
Troubleshooting
BigRoad app does not find the DashLink device
If the BigRoad mobile app is not able to nd the installed DashLink
device then ensure:
The adapter cable is correctly connected to the DashLink device
The adapter cable is fully connected to the diagnostic port of the vehicle and
the collar is locked
The vehicle is on
You are running the most recent version of BigRoad on your Android device
Bluetooth is enabled on your Android device
Your Android device is plugged into a charger
Ensure the vehicle you are in is properly configured in BigRoad. Have an
admin or dispatcher visit app.bigroad.com/trucks, click on the truck number,
then compare that VIN with the VIN of the vehicle. If the vehicle is configured
with a DashLink Device ID then compare the ID in BigRoad to the ID printed
on the DashLink device.
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DashLink Install Guide - Page 9
Troubleshooting continued...
BigRoad app is stuck “Reading data from
DashLink device”
Some older Android devices have unreliable Bluetooth support. Rebooting the device
should allow the DashLink connection to succeed.
BigRoad app indicates “The DashLink device was
unable to read the odometer”
Ensure that the vehicle is on. If the issue persists it may be because the vehicle does
not report an odometer value on the diagnostic port. This is the case for many Hino
heavy trucks, and some older vehicles from other manufacturers. Please contact
The DashLink device periodically becomes
unavailable while in the vehicle
Ensure that your Android device is plugged into a charger while using a
DashLink vehicle.
DashLink Install Guide - Page 10
Troubleshooting continued...
The collar of the diagnostic plug is difficult to lock
It is important the the collar of the diagnostic plug is locked to ensure the device does
not become disconnected during operation. A flathead screwdriver can be used in the
gaps on the collar:
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