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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Electronic Climate Control

Component / Connector Locations:




Wiring Diagrams:




LEGEND
1/1 Battery
2/10 Power unit, ECC
3/1 Ignition lock
3/2 Light switch
4/6 Control unit ECC
4/23 Control unit LH-jetronic 2.4
4/25 Control unit Regina
5/1 Combined instrument
6/26 Alternator
6/27 Servo motor, mixture shutter
6/28 Cabin fan motor
6/35 Parking heater
7/9 Engine temperature sensor, ECC
7/10 Interior temperature sensor
7/11 Ambient temperature sensor
7/12 Solar sensor
7/41 High pressure sensor, AC
7/53 Low pressure sensor, AC
8/2 Solenoid valves, ECC
8/3 Solenoid coupling, AC

11/1-26 Fuses
15/1 Positive terminal
15/2 30-rail in central el. unit
31/10 Ground connection, right A-post
31/60 Ground connection on engine (diesel)