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

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Scan Tool Testing and Procedures





SEAT BELT: SEAT BELT WARNING SYSTEM: DATA LIST / ACTIVE TEST

1. ACTIVE TEST

Performing the ACTIVE TEST using Techstream allows the meters, indicators and so on to operate without removing any parts. Performing the ACTIVE TEST as the first step in troubleshooting is one way to shorten labor time.

(a) Connect Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) From the display on the tester, select the "ACTIVE TEST".

Meter: