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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Initial Inspection and Diagnostic Overview



Diagnostic Starting Point - Manual Transmission

Begin the system diagnosis with Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) . The Diagnostic System Check will provide the following information:

* The identification of the control module or modules which command the system.
* The ability of the control module or modules to communicate through the serial data circuit.
* The identification of any stored DTCs and the status of the codes.


Use the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) in order to identify the correct procedure for diagnosing the system and where the procedure is located.