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

Data Link Connector (DLC)

Assembly Line Diagnostic Link (ALDL) Connector (or DLC).:






DESCRIPTION
The Data Link Connector (DLC) is located under the instrument panel to the left of the steering column and is initially used at the assembly plant for determining powerplant system integrity prior to vehicle shipment.

READING DTCs
Diagnostic Trouble Codes (DTCs) stored in the ECM may be read either through a hand held scanner plugged into the DLC. Refer to Accessing and Reading Diagnostic Trouble Codes under Computers and Control Systems / System Diagnosis for additional information.