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 engine controls 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 subsystem
^ Functional checks and diagnostic tables

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