Diagnostic Procedure For Sensors
Diagnostic Procedure for SensorsAMBIENT SENSOR
TROUBLE SYMPTOM:
Fan speed is not switched when the fan speed control dial is in AUTO position.
WIRING DIAGRAM:
Wiring Diagram:
Step 1-7:
IN-VEHICLE SENSOR
TROUBLE SYMPTOM:
Blower fan speed, outlet port and inlet port do not change after turning the AUTO switch to ON
WIRING DIAGRAM:
Wiring Diagram:
Step 1-6:
EVAPORATOR SENSOR
WIRING DIAGRAM:
Wiring Diagram:
Step 1-6:
SUNLOAD SENSOR
TROUBLE SYMPTOM:
- Sensor identifies that sunlight is at maximum. Then, A/C system is controlled to COOL side.
- Sensor identifies that sunlight is at minimum. Then, A/C system is controlled to HOT side.
NOTE: When the sunload sensor check is performed indoors or in the shade, it could be diagnosed as having an open circuit. Always check the sunload sensor with the sun shining on it.
WIRING DIAGRAM:
Wiring Diagram:
Step 1-5:
A/C LOCK SENSOR
H6 model
WIRING DIAGRAM: