9040 Global OBD II Code Scanner User Manual

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9040 Global OBD II Code Scanner User Manual - cover page
Brand
9040
Category
Car Accessories
Document type
User Manual
Language
English
Pages
12
File format
PDF
File size
659 KB
Published
06 June, 2012
Updated
30 September, 2023
MD5 checksum
F3C5E25609B06E1038D1EAC58AF59CC7

About this manual

This manual explains the purpose of the 9040 Global OBD II Code Scanner, safety precautions, and basic information about OBD II standards. It includes warnings for eye protection, ventilation, and proper handling of the vehicle and scanner during testing.

The guide details how to operate the scanner, read and erase diagnostic trouble codes, view freeze‑frame data, and use built‑in functions such as MIL status, I/M monitors, and code lookup. Troubleshooting sections cover power‑up issues, link errors, and visual inspection tips, with contact information for technical support.

What's inside

  • Safety Precautions
  • About OBD II
  • Diagnostic Trouble Codes (DTC)
  • OBD II Diagnostic Link Connector (DLC)
  • Operating the Code Scanner
  • Read Codes
  • Erase Codes
  • MIL Status
  • I/M Monitors
  • Troubleshooting Tips

Specifications

Display2‑line x 16‑character
Power requirementMinimum 8 V between pin 16 (12 V) and pin 4 (GND)
Connector typeJ1962 (OBD II) adapter cable
Cable functionProvides power and communication link to vehicle

Frequently asked questions

How do I read diagnostic trouble codes with the scanner?

Select the Read Codes function, press ENTER, and the scanner will retrieve DTCs from the vehicle’s computer modules.

How can I erase stored codes from the vehicle?

Choose Erase Codes, press ENTER, confirm with YES, and the scanner will delete the DTCs from memory.

What should I check if the scanner does not power up?

Verify the DLC is connected, ensure the scanner receives at least 8 V between pin 16 and pin 4, and confirm the vehicle is OBD II compliant.

How do I troubleshoot link errors or erroneous data?

Check that the cable is securely attached, the ignition key is ON, the DLC pins are clean, the vehicle is OBD II compliant, and that relevant fuses are intact.

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