Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

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Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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With Generic Scan Tool

These are general instructions for operating a generic scan tool. Refer to the manufacturer's manual for specific instructions.

- Perform the necessary vehicle preparation and visual inspection.

- Connect scan tool to DLC.

- Turn ignition key to the On position or START vehicle (depending on the pinpoint/diagnostic instructions for the data requested).

- Verify tool is connected and communicating properly (if necessary, enter the OBD II System Readiness Test to verify communication). On-Board System Readiness Test Access

- Refer to the Expanded Diagnostic Protocol (EPD) table for the string of characters that must be entered to access the PID. Expanded Diagnostic Protocols Table

- Enter the PID string to initiate data acquisition.

- View the requested information.

- When finished, turn ignition key to the Off position.

- Disconnect scan tool from vehicle.