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CAN Test Box

 

 CTB POWER LED RED

The interface panel utilises numbered backlit LEDs which illuminate when signal data 

is present on the corresponding LED line. Pulsing LEDs indicate signals being pulled 

alternately high and low. CTB LEDs correspond to vehicle DLC (Data Link Connector) 

Pins 1-16.

 LEDs 1-4 GREEN, 

 LEDs 5-8 BLUE, 

 LEDs 9-12 YELLOW,  

 LEDs 13-16 RED

CTB Interface Panel 

CTB LED Description

When the CTB is interfaced with the vehicle DLC (Data Link Connector) and if there is 

signal data present on a pin of the DLC, the corresponding CTB LED will be activated 

indicating the presence of vehicle DLC pin signal data.

 1: 485A *

 5: Signal GND 

(SIGNAL)

 9: 485B *

 13: future 

upgrade

 2: Bus+ Line 

J1850

 6: CAN High of 

SAE J2284

 10: Bus– Line 

J1850

 14: CAN Low of 

SAE J2284

 3: future upgrade

 7: K Line of 

ISO9141-2 & 

keyword 2000

 11: Clock

 15: L Line of 

ISO9141-2 & 

keyword 2000

 4: Chassis GND 

(GROUND)

 8: future upgrade

 12: future 

upgrade

 16: Batt+ 

(Voltage Supply)

* Manufacturer’s proprietary information

Содержание DO148

Страница 1: ...CAN Test Box CAN Test Box Quick Start User Guide ...

Страница 2: ...ures CAN Test Box CTB products for a number of intended uses Please refer to the product label for the intended use statements for specific product applications MJ products may be harmful or cause damage if misused incorrectly Due care should be exercised with all MJ products to stay within the advertised intended use at all times Each MJ product is shipped with documentation stating specification...

Страница 3: ...CTB components CTB Interface Inlay Panel LEDs backlit numbered colour coded Breakout Pin Connections 4 mm Jack 2 5m Extension Cable OBD Scan Tool Pass Thru Connector Probe Lead Kit BNC to 4 mm Silicone Protective Boot ...

Страница 4: ...escription When the CTB is interfaced with the vehicle DLC Data Link Connector and if there is signal data present on a pin of the DLC the corresponding CTB LED will be activated indicating the presence of vehicle DLC pin signal data 1 485A 5 Signal GND SIGNAL 9 485B 13 future upgrade 2 Bus Line J1850 6 CAN High of SAE J2284 10 Bus Line J1850 14 CAN Low of SAE J2284 3 future upgrade 7 K Line of IS...

Страница 5: ...ctor This allows the CTB to connect with the vehicle DLC for viewing and operation of the CTB away from enclosed areas The CTB incorporates diode fuse protection for Pin 5 Signal Ground plus Polyswitch Fusing for Pins 4 16 Chassis Ground Batt CTB 2 5m Cable and Fast Check OBD Connector CTB Cable DLC Vehicle DLC Connect CTB cable DLC to vehicle DLC ...

Страница 6: ...CTB LEDs CTB POWER CTB is powered up Batt vehicle DLC Pin 16 Chassis GND vehicle DLC Pin 4 Signal GND vehicle DLC Pin 5 Appropriate LEDs for the CAN data protocol in use for the vehicle being tested use the pulsating LEDs to identify the CAN protocol Image shows CTB LEDs POWER 4 green 5 blue 16 red ON indicating power and ground circuits are operational Image shows CTB LED s 6 CAN High and 14 CAN ...

Страница 7: ...purpose of systems scan data monitoring or systems activation Connect the CTB cable DLC to the vehicle DLC Connect the scan tool cable DLC to the CTB Pass Thru Connector Scan Tool Data Display CTB Pass Thru to Scan Tool Cable Connection CTB LED Display CTB 16 Pin Pass Thru Connector Connect CTB Scan Tool and simultaneously monitor CTB LEDs and Scan Tool Data ...

Страница 8: ...essible with standard 4 mm jacks The CTB Probe Lead Kit utilises high quality shielded probes and leads 4 mm banana jacks CTB connection and standard BNC connectors oscilloscope connection As bus signal data is very fast it is recommended that a quality oscilloscope is used for bus signal data capture CTB 4 mm Terminal Pin Ports CTB 4 mm Pin Port CTB Probe Lead Kit 4 mm BNC PC Oscilloscope BNC Con...

Страница 9: ...loscope waveform data capture Connect the probe ground black lead to CTB LED Pin Port either 4 Chassis GND or 5 Signal GND Power up the oscilloscope and set up the system as necessary for signal data gathering Use 2 channels to observe CAN High and CAN Low signal data CTB Probe 4 mm Connection PC oscilloscope shown with CTB to scope connections and waveform capture CTB Connected to Vehicle DLC CTB...

Страница 10: ...15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Scan Tool Connection PC USB Connection Vehicle DLC CAN Test Box CAN Low Signal Ground CAN High Ground CAN Test Box Connection Schematic WARNING Observe workshop safety practices CTB Scan Tool and Oscilloscope Connections ...

Страница 11: ...ax OBD II Connector Note ISO9141 2 ISO 14230 keyword 2000 use the same pinout so you cannot distinguish between the two by simply examining the connector Connect and use the CTB Monitor the LED indicators for protocols activity to identify the network structure in use CTB and CAN Bus system diagnostics Please note Some vehicles may require connection of a scan tool prior to connecting the CAN Test...

Страница 12: ...15 11 2011 ...

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