check engine TOYOTA SIENNA 2007 Service Repair Manual

AIR CONDITIONING – REFRIGERANTAC–173
AC
REPLACEMENT
1. DISCHARGE REFRIGERANT FROM
REFRIGERATION SYSTEM
SST 07110-58060 (07117-58080, 07117-58090,
07117-78050, 07117-88060, 07117-88070,
07117-88080)
(a) Turn the A/C switch to ON.
(b) Operating the cooler compressor at the engine rpm
of approx. 1,000 for 5 to 6 minutes, circulate the
refrigerant and collect the compressor oil remaining
in each component into the cooler compressor as
much as possible.
(c) Stop the engine.
(d) Let the refrigerant gas out.
SST 07110-58060 (07117-58080, 07117-78050,
07117-88060, 07117-88070, 07117-88080)
2. CHARGE REFRIGERANT
(a) Using a vacuum pump, perform a vacuum purging.
(b) Charge refrigerant, HFC-134a (R134a).
Standard:
780 +- 30 g (27.5 +- 1.06 oz.)
SST 07110-58060 (07117-58060, 07117-58070,
07117-58080, 07117-58090, 07117-78050,
07117-88060, 07117-88070, 07117-88080)
3. WARM UP ENGINE
4. INSPECT REFRIGERANT LEAK
(a) Using a gas leak detector, check for leakage of the
refrigerant.
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