CAN Test Box — Intelligent OBD Breakout for Diagnostics
Description
The CAN Test Box by Pico Technology is an intelligent OBD breakout box designed for automotive technicians diagnosing CAN bus faults with an oscilloscope. This 16-pin breakout box connects directly to the vehicle's OBD connector, providing secure, illuminated access to all pins with LED indicators for battery voltage and ground confirmation, eliminating the risk of probe slippage and speeding up CAN bus diagnostics.
Simply connect the 16-pin BOB to the OBD connector and you can immediately confirm the presence of battery voltage and vehicle ground. This is thanks to the illuminated LEDs around the respective 4 mm banana sockets for pins 16 and 4. We can now instantly confirm that power and ground are present at the OBD connector and our 16-pin BOB can now provide additional information on the status of the remaining OBD terminals.
Depending on the age and style of the vehicle, LEDs 6 and 14 may be flashing to indicate activity on both CAN Hi and CAN Lo circuits along with LED 5, to confirm the presence of signal ground for several power unit sensors.
At this stage, no additional test equipment has been installed and yet we have gathered a wealth of diagnostic information. To monitor the signals present on any terminal of the OBD connector, the 4 mm banana sockets on the BOB allow for secure connection of PicoScope probes that will remain connected during road testing or wiggle testing of the wiring harness.
16 Pin CAN Test Box
The CAN Test Box gives you easy access to the 16 pins of the diagnostic connector that is fitted to all modern vehicles. Depending on the configuration of the vehicle, this may allow you to check power, ground and CAN Bus signal quality. With the test adaptors supplied you can connect your PicoScope automotive scope, or any other suitable scope, to the CAN Test Box to monitor any signals present, such as the CAN High and Low signals.
The CAN Test Box connects to a vehicle᾿s OBDII / EOBD connector and lets you easily diagnose electrical faults.
- Instantly check power and ground circuits
- Identify communication link protocols
- Connect an oscilloscope for signal capture and collection of signal waveform data
- Compatible with both 12V and 24V vehicles
How does it work?
The CAN Test Box uses numbered backlit LEDs which illuminate when signal data is present on the corresponding pin of the DLC. Pulsing LEDs indicate signals being pulled high/low.
The LEDs indicate the following signals:
- LED 1/9 - 485A/485B (Manufacturer’s proprietary information)
- LED 2/10 - Bus+ Line J1850/Bus- Line J1850
- LED 3/8/12/13 - future upgrade
- LED 4 - Chassis GND (GROUND)
- LED 5 - Signal GND (SIGNAL)
- LED 6/14 - CAN High of SAE J2284/CAN Low of SAE J2284
- LED 7/15 K Line of ISO9141-2 and keyword 2000485A/L Line of ISO9141-2 and keyword 2000
- LED 11 - Clock
- LED 16 Batt+ (Voltage supply)
The CAN Test Box allows you to connect your PicoScope oscilloscope or any other compatible scope, enabling you to monitor any signals present such as the CAN High and Low signals. The CAN Test Box terminal pin ports are compatible with standard 4 mm jacks.
The CAN Test Box includes a 2.5 metre (8.2 feet) cable so that you can work in a convenient location away from the diagnostic connector, and an additional pass-through connector so that you can hook up your scan tool at the same time as your scope. The box is powered by the diagnostic connector, so no batteries or mains adaptor are needed.
Typical Uses
The connection of the Can Test Box to the 16 pin vehicle diagnostic connector provides a non-intrusive test point for all associated circuits, whilst LED’s will illuminate to indicate the status of the 16 pins. The 4mm banana sockets enable simple connection of PicoScope for circuit analysis, “jumper wires” for flash code interrogation, and on board “memory save” devices (During battery disconnection) With the pass-through connector and 2.5 meter cable, the Can Test Box can be used in series with your scan tool and remote from the 16 pin connector allowing for simultaneous scan tool and scope tests. (See below)
- Power and ground test for communication errors
- CAN HI CAN LOW activity (depending on manufacturer)
- Convenient “jumper wire” access point for flash code access or initialisation procedures
- Convenient point for “memory save” device connection
- Remote access to concealed 16 pin connectors via 2.5 meter cable
- Pass-through feature does not restrict scan tool access when connected
Accessories
Foam tray for TA069 CAN test box
Foam trays for storing Pico kit in your tool trolley.The trays come in two sizes (depending on function):1/3rd width at 185 x 390 mm2/3rd width at 370 x 390 mmThe trays include a removable 20 mm strip so they will fit in 370 mm deep tool drawers. A set of 3 trays measures from 370 x 575 mm to 390 x 555 mm depending on the configuration.
£46.00
PA111
Black Shrouded to Unshrouded Adaptor — Ground Connection
The PicoScope Black Shrouded to Unshrouded Adaptor enables connection of standard and premium test leads to any breakout box with unshrouded 4mm sockets. Typically used for ground connections in automotive diagnostics, this adaptor from Pico Technology ensures secure, reliable contact during ECU pinpoint testing and circuit analysis.
£2.00
TA016
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