Operation CHARM
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Toyota
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1988
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Pickup 4WD L4-144.4 2366cc 2.4L SOHC (22R-E)
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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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Troubleshooting With Manifold Pressure Gauges
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Pressure Too High at Low Side/Pressure Too Low at High Side
Pressure Too High at Low Side/Pressure Too Low at High Side
Fig. 2h Air conditioning system diagnostic chart: