Operation CHARM
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Toyota
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1994
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T100 Pickup 2WD L4-2.7L (3RZ-FE)
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Initial Inspection
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Refrigerant Volume
Refrigerant Volume
Sight glass observation chart:
While running engine at 2000 RPM and operating air conditioning system, use vehicle
sight glass
and
Fig. 1
to verify air conditioning system is properly charged.