Toyota Celica 2005 Repair Manual page 2433

2005 CELICA (RM1131U)
AIR CONDITIONING − AIR CONDITIONING SYSTEM
4. INSPECT FOR LEAKAGE OF REFRIGERANT
(a) Perform in these conditions:
Stop engine.
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Secure good ventilation (If not the gas leak detector
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may react to volatile gases witch are not refrigerant,
such as evaporated gasoline and exhaust gas.)
Repeat the test 2 or 3 times.
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Make sure that there is some refrigerant remaining
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in the refrigeration system.
When compressor is OFF: approx. 392 − 588 kPa
(4 − 6 kgf/ cm
(b) Bring the gas leak detector close to the drain hose before
performing the test.
HINT:
After the blower motor stopped, leave the cooling unit for
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more than 15 minutes.
Expose the gas leak detector sensor the under the drain
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hose.
When bring the gas leak detector close to the drain hose,
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make sure that the gas leak detector does not react to the
volatile gases.
If such reaction is unavoidable, the vehicle must be lifted up.
(c) If gas leak is not detected on the drain hose, remove the
blower resistor from the cooling unit. Then insert the gas
leak detector sensor into the unit and perform the test.
(d) Disconnect the connector and leave the pressure switch
for approx. 20 minutes. Then bring the gas leak detector
close to the pressure switch and perform the test.
(e) Bring the gas leak detector close to the refrigerant lines
and perform the test.
2432
2
, 57 − 85 psi)
AC−9