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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Computers and Control Systems: Locations






A1e26 "CHECK ENGINE" warning lamp
B2 Air flow sensor position indicator
B11/2 Coolant temperature sensor (EZL/CIS-E/2E-E)
B18 Altitude correction capsule
G3/2 Heated O2-sensor
G3/2x1 Connector. O2-sensor heater coil
G3/2x2 Connector. O2-sensor signal
K1/1 Overvoltage protection relay, 87E (7-pole)
N3 CIS-E control unit
N16/4 Fuel pump relay with kick-down cut-out
S27/2 Deceleration shut-off microswitch
S29/2 Throttle valve switch, full load/idle
S29/2x1 Connector, throttle valve switch
X11 Diagnostic socket/terminal block (circuit TD)
X92 Test connection for diagnosis (impulse readout, 8-pole)
Y1 Electrohydraulic actuator (EHA)
Y6 Idle speed air valve