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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Guided Fault Finding, On Board Diagnostic (OBD) and Test Instruments







Guided Fault Finding, On Board Diagnostic (OBD) and Test Instruments

Determine the cause of the damage using "Guided Fault Finding" before beginning any repair work on the automatic transmission.

Perform Guided Fault Finding using the vehicle diagnostic tester. Refer to => [ Vehicle Diagnosis Tester, Connecting and Selecting Functions ] Scan Tool Testing and Procedures.

Guided Functions finds the Automatic Transmission (ATF) temperature quickly. Refer to => [ Vehicle Diagnosis Tester, Connecting and Selecting Functions ] Scan Tool Testing and Procedures.