Diagnostics For A/C System Malfunction
Diagnostics for A/C System MalfunctionA/C OR SELF-DIAGNOSIS SYSTEMS DO NOT OPERATE
TROUBLE SYMPTOM:
- Set temperature is not indicated on the display, switch LEDs are faulty and switches do not operate.
- Self-diagnosis system does not operate.
WIRING DIAGRAM:
Step 1:
Step 2-5:
BLOWER MOTOR DOES NOT ROTATE
TROUBLE SYMPTOM:
- Blower motor does not rotate.
- Blower motor does not change speeds.
WIRING DIAGRAM:
Step 1-2:
Step 3-9:
BLOWER MOTOR TURNS AROUND EARLY
TROUBLE SYMPTOM:
- The blower rotates even though the blower switch is not turned on.
- The blower motor continues to rotate at high speed. (Not adjustable.)
WIRING DIAGRAM:
Step 1:
Step 2-4:
COMPARTMENT TEMPERATURE DOES NOT CHANGE, OR A/C SYSTEM DOES NOT RESPOND PROMPTLY
TROUBLE SYMPTOM:
- Compartment temperature does not change. (Cold air does not come out.)
- A/C system does not respond. (Response is extremely slow)
WIRING DIAGRAM:
