Sequoia 4WD V8-4.7L (2UZ-FE) (2006)
Refrigerant: Testing and Inspection
ON-VEHICLE INSPECTION
1. INSPECT REFRIGERANT VOLUME
a. Observe the sight glass on the liquid tube.
Test conditions:
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Running engine at 1500 rpm
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Single A/C:
Front blower speed control dial at "HI" position
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Dual A/C:
Front and rear blower speed set at "HI" position
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A/C switch ON
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Single A/C:
Front temperature control dial at "MAX. COOL" position
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Dual A/C
Front temperature control dial at "MAX. COOL" position
Rear temperature control set at 18.5 degrees C (65 degrees F)
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Fully open the doors
2. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
a. This is a method for checking the A/C system by using a manifold gauge set. Read the manifold gauge pressure when the conditions below are
met. Test conditions:
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Temperature at the air inlet with R/F switch set at RECIRC is 30 to 35 degrees C (86 to 95 degrees F)
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Engine running at 1500 rpm
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All doors are fully open
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Blower speed control switch is at "HI" position