Component Inspection
1.

Aircon pressure sensor visual inspection

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Disconnect A/C pressure transducer connector.

(3)

Check if corrosion and contamination at aircon pressure sensor terminal is detected.

(4)

Check aircon pressure sensor connecting torque and aircon refrigerant leakage.

(5)

Does any problem is detected at aircon pressure sensor?

YES

a.

Replace aircon pressure sensor and go to "Verification of Vehicle Repair".

NO

a.

Go to "2. Check A/C pressure transducer waveform " as follows.

2.

Check A/C pressure transducer waveform

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Connect A/C pressure transducer connector.

(3)

Connect oscilloscope to A/C pressure transducer connector terminal 2.

(4)

Monitor aircon pressure sensor waveform at idle as turning Aircon "ON".

1)

Specification : Refer to "Siganl waveform & data"

(5)

Is A/C pressure transducer waveform outputted correctly?

YES

a.

Go to "Verification of Vehicle Repair".

NO

a.

Replace A/C pressure transducer and go to "Verification of Vehicle Rapair".

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