OBDResource CP40 Automotive Power Scan Probe
OBDResource CP40 Automotive Power Scan Probe
General Details
General Details
The OBDResource CP40 is a multifunction automotive electrical testing tool designed for vehicle circuit testing, component activation, fuel injector testing, multimeter measurements, oscilloscope monitoring and battery diagnostics.
With support for voltage, resistance, diode and frequency testing alongside waveform analysis and controlled circuit activation, the CP40 provides a versatile solution for automotive electrical troubleshooting and component testing.
Automotive Circuit Testing
The CP40 is designed to help technicians identify electrical faults and test vehicle circuits using a range of measurement and diagnostic functions.
• Supply Voltage: 8–32V DC
• Voltage Test Range: 0–80V DC
• Voltage Resolution / Accuracy: 0.1V
• Probe Tip Impedance: 4.7MΩ to ground
• Circuit Breaker: 8A thermal self-resetting
• Short-Circuit Protection Response: 0.01ms
• Applications: Vehicle wiring, electrical circuits and component testing
Multimeter Functions
The integrated multimeter functions allow measurements commonly required during automotive electrical troubleshooting.
• Voltage Testing: 0–80V DC
• Resistance Testing: Up to 0.1MΩ
• Frequency Testing: 5Hz–20kHz
• Diode Testing: Supported
• Circuit Testing: Suitable for automotive electrical troubleshooting
Oscilloscope
The CP40 includes an oscilloscope function for monitoring electrical waveforms and identifying signal irregularities.
• Maximum Sampling Rate: 1MHz
• Maximum Monitoring Frequency: 20kHz
• Waveform Analysis: Monitor automotive electrical signals
• Applications: Sensor signals, electrical circuits and component diagnostics
Fuel Injector Testing
The CP40 can be used for fuel injector testing and pulse-signal applications, helping technicians assess injector operation and electrical response.
• Injector Testing: Supported
• Pulse Signal Output: Supported
• Applications: Fuel injection nozzle testing and repair
• Component Testing: Suitable for compatible automotive electrical components
Component Activation
The CP40 supports controlled electrical testing and activation of suitable vehicle components.
• Component Activation: Supported
• Pulse Signals: Can be used for compatible component testing
• Applications: Automotive components, electrical actuators and circuit troubleshooting
• Overcurrent Protection: 8A thermal self-resetting circuit breaker
• Automatic Protection: Designed to help protect the tester during short-circuit conditions
Battery Testing
The CP40 includes dedicated battery-testing functionality for automotive electrical-system troubleshooting.
• Battery Testing: Supported
• Supply Systems: 12V / 24V automotive electrical systems
• Applications: Automotive battery and electrical-system testing
• Electrical Measurements: Voltage and related electrical parameters
Long Extension Cable
A 10-metre extension cable provides additional reach when testing vehicle circuits and components.
• Extension Cable Length: 10m
• Approximate Length: 32.8ft
• Application: Extended-reach vehicle electrical testing
• Suitable For: Workshop and vehicle electrical troubleshooting
Display
The CP40 features a compact 2.4-inch screen for viewing electrical measurements and test information.
• Screen Size: 2.4 inches
• Display: Integrated screen for test readings and diagnostic information
Safety & Features
• Multifunction Testing: Combines circuit testing, multimeter, oscilloscope, injector and battery-testing functions
• Wide Voltage Measurement: 0–80V DC test range
• 8A Circuit Protection: Thermal self-resetting circuit breaker
• Fast Short-Circuit Protection: 0.01ms automatic protection response
• Oscilloscope: Up to 1MHz sampling rate
• Frequency Testing: 5Hz–20kHz
• Long-Reach Testing: Supplied with 10m extension cable
• Portable Design: Suitable for workshop and mobile automotive diagnostics
• No Wireless Connection: Wired operation
Specifications
| Specification | Details |
|---|---|
| Product | OBDResource CP40 |
| Product Type | Automotive Electrical Test Tool |
| Supply Voltage | 8–32V DC |
| Voltage Test Range | 0–80V DC |
| Voltage Accuracy / Resolution | 0.1V |
| Probe Tip Impedance | 4.7MΩ |
| Resistance Test Range | Up to 0.1MΩ |
| Frequency Test Range | 5Hz–20kHz |
| Oscilloscope Sampling Rate | Up to 1MHz |
| Oscilloscope Monitoring Frequency | Up to 20kHz |
| Circuit Breaker | 8A thermal self-resetting |
| Short-Circuit Protection Response | 0.01ms |
| Screen Size | 2.4 inches |
| Extension Cable | 10m / 32.8ft |
| Wireless | No |
| Battery Included | No |
Compatibility
• Vehicle Electrical Systems: 12V / 24V systems
• Applications: Automotive electrical maintenance and troubleshooting
• Battery Testing: Compatible automotive battery systems within the tool's operating range
• Circuit Testing: Suitable for automotive wiring and electrical circuits
• Component Testing: Suitable for compatible automotive electrical components
• Injector Testing: Fuel injector electrical testing and pulse-signal applications
Package Includes
• 1 × OBDResource CP40 Automotive Power Scan Probe
• 1 × 10m Extension Cable
Important Notes
• The CP40 is an automotive electrical testing tool and should be used by suitably competent users.
• Always verify the voltage range of the circuit or component before testing.
• Do not exceed the tool's specified voltage, current or frequency limits.
• Resistance measurements should be performed on appropriate de-energised circuits.
• Component activation should only be carried out where the component and vehicle manufacturer's testing procedure permits it.
• The supplied 10m extension cable provides additional reach but does not change the tool's electrical ratings.
• The CP40 does not include an internal battery and does not provide wireless connectivity.
Couldn't load pickup availability
Fast Local Shipping
Mfr. Warranty
Secure Payment
Payment methods
Share

Product Reviews
General FAQs
Is there a warranty included?
Yes. Most parts, accessories and gear come with a manufacturer warranty. Coverage details vary by product.
Do you offer after-sales support?
Yes. Our support team is available to assist. For any questions please contact us via our contact page.
Are your parts, components, accessories and gear certified?
Our parts, components, accessories and gear meet recognised industry or safety standards.
How long does delivery take?
We offer fast local shipping, with delivery typically aimed at 3–5 working days after an order has been processed. In some cases, parcels may arrive sooner or slightly later depending on location and courier conditions.

