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.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Scan Tool Data List - Powertrain System

Scan Tool Data List Part 1:




Scan Tool Data List Part 2:




The Engine Scan Tool Data List contains all engine related parameters that are available on the scan tool. The list is arranged in the alphabetical order.

Use the Engine Scan Tool Data List only after performing the following inspections:
^ A Diagnostic System Check-Computers and Controls Systems is completed.
^ No Diagnostic Trouble Codes (DTCs) are present.
^ On-board diagnostics are functioning properly. The scan tool values from a correctly operating engine may be used for comparison with the engine you are diagnosing. The values listed in the table represent typical values that would be seen on a good running engine.

IMPORTANT: A scan tool that displays faulty data should not be used. The scan tool problem should be reported to the manufacturer. Use of a faulty scan tool can result in misdiagnosis and unnecessary parts replacement.

Only the parameters listed are referenced for use in diagnosis. If all values are within the typical range described, refer to Symptoms-Computers and Controls Systems. Symptom Related Diagnostic Procedures