| Inspection |
| 1. |
Measure the pressure of high pressure line by measuring voltage output between NO.1 and NO.2 terminals.
|
| 2. |
Inspect the voltage value whether it is sufficient to be regular value or not.
|
| 3. |
If the measured voltage value is not specification, replace the A/C pressure transducer. |
| Replacement |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Recover the refrigerant with a recovery/charging station. |
| 3. |
Disconnect the A/C pressure transducer connector (A).
|
| 4. |
Remove the A/C pressure transducer (B).
|
| 5. |
Installation is the reverse order of removal. |
Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed.
Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator freezing by excessive cooling.
Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.
Inspection 1. Ignition "OFF”. 2. Disconnect the connector of auto defog control actuator. 3. Verify that the auto defog control actuator operates to the defrost ON mode when connecting 12V to the terminal 3 and grounding terminal 7. 4.