Auto Diagnostic Tester

Auto Diagnostic Tester User Manual.pdf

Q1: What is a code reader?
A1: A code reader is a device used to quickly retrieve and display data encoded in specific formats. In the automotive field, it typically refers to a tool that connects to a vehicle's OBD-II port to read diagnostic trouble codes, helping identify issues related to the engine or emissions system. In retail or logistics, a code reader may refer to a scanner that reads barcodes and QR codes for inventory, checkout, or tracking purposes.

Q2: Does a car have to be running to use a code reader?
A2: No, a car does not have to be running to use a code reader, but the ignition usually needs to be in the "ON" position (engine off, but electronics on). This powers the vehicle's onboard computer system, allowing the code reader to communicate with it and retrieve diagnostic trouble codes. Some functions, however—like real-time data—may require the engine to be running.

Q3: What's the difference between a code reader and a scan tool?
A3: A code reader and a scan tool are both used to diagnose issues in vehicles, but they differ in functionality:

• A code reader is a basic device that reads and clears diagnostic trouble codes (DTCs) and may turn off the check engine light. It's useful for simple diagnostics.
• A scan tool is more advanced. In addition to reading and clearing codes, it can show live sensor data, run system tests, access vehicle information, and sometimes even program modules.

In short, all code readers are scan tools, but not all scan tools are basic code readers-scan tools offer much more detailed and professional-level diagnostics.

Tips: Can auto diagnostic tester clear the check engine light?

Yes, an auto diagnostictester can typically clear the check engine light, but it’s important to understand how and when this function works. These testers are designed to connect to your vehicle’s onboard diagnostic system (usually via the OBD2 port) and read trouble codes that trigger the check engine light. Once the issue has been diagnosed and resolved—such as replacing a faulty sensor or fixing an emission-related problem—the tester allows you to erase the stored Diagnostic Trouble Codes (DTCs), which in turn turns off the check engine light. However, if the underlying issue is not fixed, the light may reappear after a short period. It's always recommended to address the root cause of the problem before clearing the light, as simply resetting it without repairs can lead to recurring issues or even damage over time.

Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

What is covered?

SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

What is not covered?

• Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
• Expendable parts.
• Routine cleaning or normal cosmetic and mechanical wear.
• Damage from misuse, abuse or neglect.
• Damage from use of parts other than SISCO approved.
• Damage from use outside the product’s usage or storage parameters.
• Damage from use of parts not sold by SISCO.
• Damage from modification or incorporation into other products.
• Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
• Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.