HVAC System
1. Diode pack.
2. Resistors.
3. Fan speed switch.
4. Air conditioning/re.circa/fresh air switch.
5. Heater/air conditioning relay.
6. Cable connection to ECU (EFI).
7. Fuse C9 main fuse panel.
8. Face vent switch.
9. Condenser fan relay.
10. Two level resistor.
11. Compressor clutch relay.
12. Thermostat.
12a. Temperature control potentiometer.
12b. Evaporator temperature sensor.
13. Fuse 137.
14. Fuse 138.
15. Fuse 139.
16. Compressor clutch.
17. Air conditioning motors (2) - dashboard unit.
18. Heater motor.
19. Fresh air solenoid.
20. Condenser fan motors.
21. High pressure switch.
22. Low pressure switch.
23. Engine coolant temperature switch.
24. 12V from terminal post.
25. Heater/air con load relay.
26. 12V from ignition load relay.
NOTE: See EFI circuit diagram for details of air conditioning inputs to ECU.
Cable Color Code
B Black
L Light
P Purple
U Blue
C Green
N Brown
R Red
W White
O Orange
S Grey
Y Yellow
The last letter of a color code denotes the tracer.