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LINE PRESSURE TEST TM-221 < ON-VEHICLE MAINTENANCE > [5AT: RE5R05A] C E F G H I J K L M A B TM N O P Judgment Possible cause Idle speed Low for all positions Possible causes include malfunctions in the pressure supply system and low oil pump output. ⇒ oil pump ⇒ pressure regulator valve passage oil leak • Engine idle speed too low Only low for a specific Possible causes include an oil pressure leak in a passage or device related to the position High Possible causes include a sensor malfunction or malfunction in the line pressure adjustment Stall speed Oil pressure does not Possible causes include a sensor malfunction or malfunction in the pressure adjustment func- The pressure rises, but Possible causes include malfunctions in the pressure supply system and malfunction in the Only low for a specific Possible causes include an oil pressure leak in a passage or device related to the position |