Manual Climate Control (MCC)

Component Location




Wiring Diagram
One precondition for the climate unit to work is that the fan must be ON, at any speed (signal from 4/40B:6 to 4/40A:7).

Fan at speed 1. Climate unit ON.

Component I.D. List
C2 Connector, 53-pin Instrument panel harness - Left wheel housing harness
C3 Connector. 53-pin Instrument panel harness - Right wheel housing harness
C19 Connector, at instrument panel, 2-pin
C54 Connector, 8-pin Right wheel housing harness - Engine harness
C154 Connector, 3-pin or 1-pin Right wheel housing harness - engine cooling fan harness
C161 Connector, at firewall, 1-pin
D1 Connector, at instrument panel, 4-pin
3/1 Ignition lock
4/40 A/C controls, MCC
6/26 Generator
6/27 Servo motor, throttle control
6/28 Cabin fan motor
7/41 High-pressure sensor, A/C
7/53 Low-pressure sensor, A/C
8/3 Solenoid coupling, A/C
15/1 Positive terminal
20/18 Cabin fan resistor
31/10 Ground connector right A-post