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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Control Module Inputs


Control module inputs





^ Battery voltage +30 (1), see Control module power supply
^ Battery voltage +15 (30), see Control module power supply.
^ Ground (G38), see Control module ground.
^ Input shaft speed sensor, see Input shaft speed sensor.
^ Output shaft speed sensor, see Output shaft speed sensor.
^ Transmission fluid temperature sensor, see.
^ Transmission fluid temperature sensor.
^ Selector lever position sensor, see Selector lever position sensor - gear engaged





^ Throttle position, see Throttle position.
^ Brake kg light switch, see Brake light switch.
^ Diagnostic communication, see Diagnostic communication (B204i/E only).
^ SPORT switch, see SPORT shifting program.
^ WINTER switch, see WINTER shifting program.
^ Kickdown switch, see Kickdown switch.