LS 460 V8-4.6L (1UR-FSE) (2007)
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a. This method uses a manifold gauge set to locate problem areas. Read the manifold gauge pressure when these conditions are established.
Test conditions:
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Temperature at the air inlet is 30 to 35 °C (86 to 95 °F).
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Engine is running at 1500 rpm.
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All doors are fully open.
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Blower speed control switch is at HI.
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A/C switch is ON.
1. Normally functioning refrigeration system
