FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Temperature Control Switch Circuit


Temperature Control Switch Circuit





CIRCUIT DESCRIPTION
By turning the temp. control switch, the set temperature of the NC can be adjusted in steps of 1°F (USA) or 0.5°C (Canada). Turning the switch fully will set the A/C to MAX. COLD or MAX. HOT
The ECU calculates the set temperature from the combination of Hi (5V) or Low (0 V) terminals SET 1-5 of the temp. control 5W and displays the set temperature on the LCD display.
If a malfunction occurs in the temp. control 5W circuit, malfunctions such as not being able to set the desired temperature occur.





WIRING DIAGRAM

Step 1:




Step 2:




Step 3:





INSPECTION PROCEDURE