System Schematic

ACC Wiring Diagram:

LEGEND
1 = Pre-resistor Group
2 = Temperature Switch (cold engine lock-out)
3 = Temperature Dial
4 = Push-button Switch
a = Defrosting
b = Total ventilation
c = Normal Setting (air conditioning on)
d = EC (air conditioning off)
e = Off
5 = Blower Switch
6 = Temperature Sensor for Heat Exchanger
7 = In-car Temperature Sensor
9 = Electronic Control Unit for Temperature Control
10 = Fuse Box
a = Fuse C: 16 Ampere
b = Fuse 8: 16 Ampere
c = Fuse 14: 8 Ampere
11 = Monovalve
12 = Blower Motor
13 = Switchover Valve for Center Nozzle Flap
14 = Switchover Valve for Legroom Flaps
15 = Switchover Valve for Defroster Nozzle Flaps
17 = Switchover Valve for Main Air Flap
18 = Switchover Valve for Fresh/Recirculating Air Flap
19 = Electronic Control Unit for Blower Control
21 = Relay Auxiliary Fan (code 6)
22 = Temperature Switch 52°C for Auxiliary Fan
25 = Auxiliary Fan
26 = A/C Compressor Clutch
27 = Pressure Switch, A/C Compressor
28 = Control Unit, Compressor/Kickdown Cut-Out
29 = ETR Switch
30 = Auxiliary Water Pump
31 = Microswitch, Compressor Cut-out (acceleration improvement)
A = To Emission Control Unit, Terminal 25
B = To Kickdown Switch
M1 = Main Ground (behind instrument cluster)
M5 = Ground, Engine
M10 = Ground, Battery

Color Code

gn = Green
bl = Blue
ge = Yellow
sw = Black
ws = White
rt = Red
br = Brown
vi = Violet