WOYO CTB007 PRO OBD2 Breakout Box with LCD Display 16PINs Vrms, ECU Testing on Bench with Built-in 120ohm Resistor, Diagnostic Tool

 

 

WOYO CTB007 PRO OBD-II Breakout Box (CAN Tester Box)

 

Overview：

A professional 12 V/24 V circuit-test and signal-access tool for diagnostics, development, and bench testing. It exposes every OBD-II pin, monitors live voltages (true RMS), provides optional CAN termination, and supports safe, fast hookup of other diagnostic/programming devices.

 

Features：

1.12 V / 24 V Compatible Circuit Tester

Robust design for passenger cars and commercial vehicles.

 

2.Real-time OBD-II Pin Voltage Monitor (VRMS / true RMS)

Power/ground integrity: e.g., pin 16 (+B) and pins 4/5 (grounds).

Bus activity on CAN / K-Line: checks whether static/dynamic levels look reasonable; a green background indicates dynamic values.

Pin assignment sanity-check: quickly validates expected wiring on retrofits or suspect harnesses—replacing basic VPP voltage checks.

 

3.120 Ω CAN Termination Switches

Inserts a 120 Ω resistor across the CAN pair to compensate for missing termination during single-ECU or small bench networks, improving signal integrity and reducing reflections.

HS-CAN: pins 6 ↔ 14 (standard).

OEM/MS-CAN (if present): pins 3 ↔ 11 (vehicle-dependent).

Use termination only for bench/missing-terminator scenarios; keep OFF during normal vehicle use to avoid over-termination.

 

4.Bench Testing Support

Provides convenient connectivity for IGN/START activation or external wake-up tools so ECUs can be powered and exercised on the bench.

 

5.Signal Status

Pin background flashing green = dynamic signal.

 

6.High/Low Voltage Audible Alarms

Low-voltage (slow beep):

12 V systems: < 11.8 V

24 V systems: < 23.6 V

High-voltage (fast beep):

12 V systems: > 15.5 V

24 V systems: > 31 V

 

7.Ground Status Indication

Pins 4 or 5 show OPEN when no ground is detected, and GND when a valid ground is present.

 

8.Quick Jumper Function (Technician Use Only)

Allows a trained technician to momentarily bridge selected OBD pins via current-limited paths for OEM-approved procedures (e.g., make-specific communication or synchronization tasks).

 

9.Battery Replacement Memory Saver

Maintains vehicle power (12 V/24 V) during battery changes so vehicle settings are preserved.

 

10.Convenient Connectivity

70 cm extension lead for rapid hookup to other diagnostic/programming tools.

External power input: 9–32 V DC, barrel 5.5 × 2.1 mm. Select 12 V or 24 V to match the vehicle battery or the module under test.

 

Important Safety Notes

For professional use. Incorrect pin bridging or inappropriate termination can damage ECUs or wiring.

Pins 3/11 are OEM-defined; only use the MS-CAN terminator when the vehicle actually implements CAN on these pins.

The real-time voltage view is a quick health check and does not replace an oscilloscope for waveform analysis.

 

 

 

Use the Multimeter/Oscilloscope test more data of 16 PINs.

Support to connect to the diagnostic / code reader directly.

 

 

LCD display Vrms data directly.

PIN16 with Low/High Voltage Warning

 

 

Support 1mm/2mm/4mm Banana plug.

 

 

Power the car and help you save the ECU data when you replace the battery.

 

 

120Ω Switch for ECU module testing.

 

 

27inch/59inch Long extension cable for using.

Material: PET Braided Tube

 

Specifications:  
Input Voltage:9.0-32.0VDC  
Maximum Load:2.0A  
Resolution:0.1V 
Overload Protection:Yes, PTC Fuse (Self-Healing)
Reverse Polarity Protection:Yes
Protocol Standard:PWM(J1850)、VPW（J1850）、ISO 9141-2、DIS/ISO 14230-4、CAN(J-2284) 
Operating Temperature:-20℃-50℃，Humidity<70%
Banana Socket:2mm*10;2mm to 4mm*2 
OBD Cable Length: 27inch/70cm or 59inch/150cm
Power Cable Connector:5.5×2.1 mm