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)

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System Overview






System overview

General
Alcohol Analyzing Start Inhibitor is an option on the S60/V60/S80/V70/XC60/XC70 from model year 2008 and on the C30/C70/S40/V50 from model year 2009. The Alcohol Analyzing Start Inhibitor is not found in vehicles with keyless entry.
The following are included in the Alcohol Analyzing Start Inhibitor system:
- Central electronic module (CEM)
- Driver information module (DIM)
- Remote Receiver Module (RRX)

Signals
The table below summarizes the input signals and output signals to and from the Central electronic module (CEM).