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)

Or, hide this message: temporarily or permanently

Engine Controls Information

The driveability and emissions information describes the function and operation of the Powertrain Control Module (PCM).

The computers and control systems information contains the following:
^ Component locations
^ Wiring diagrams
^ PCM terminal end view and terminal definitions
^ Powertrain On-Board Diagnostic (OBD) System Check
^ Diagnostic Trouble Code (DTC) tables

The Component System includes the following items:
^ Component and circuit description
^ On-vehicle service for each sub-system
^ Functional checks and diagnostic tables

The DTCs also contain diagnostic support information containing circuit diagrams, circuit or system information, and helpful diagnostic information.