Toyota T100 1996 Service Manual page 1980

Drain Hose
1996 TOYOTA T100 (RM449U)
AIR CONDITIONING − AIR CONDITIONING SYSTEM
(b) Bring the gas leak detector close to the drain hose before
performing the test.
HINT:
After the blower motor has stopped, leave the cooling unit
S
for more than 15 minutes.
Expose the gas leak detector sensor under the drain
S
hose.
When bring the gas leak detector close to the drain hose,
S
make sure that the gas leak detector does not react to the
N14519
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.
N17949
AC−9