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2010
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RX 350 FWD
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission (U660E) (Diagnostic Codes (P0796-U0100) & Circuit Tests)
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Automatic Transaxle System
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DTC P0989: Transmission Fluid Pressure Sensor / Switch "E" Circuit Low; DTC P0990: Transmission Fluid Pressure Sensor / Switch "E" Circuit High (TO 08/2009)
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
P0989:
Transmission fluid pressure switch No. 3
OFF
P0990:
Following conditions are met
(a) and (b)
(a) Engine speed - Turbine speed
35 rpm or more
(b) Transmission fluid pressure switch No. 3
ON