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
If it fails: lemon-manuals.org.ua

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DLC-1

DATA LINK CONNECTOR
Concentrated service connector terminals for serviceability - 25-pin (located near battery).
1. Initial set - TEN terminal.
2. Fuel pump check - F/P terminal.
3. Engine speed output - IG- terminal.
4. CIS self-diagnosis (serial communication) - KLN terminal.
5. Supply battery positive voltage - B+ terminal.
6. Ground - GND terminal.