Mazda CX-5 Service & Repair Manual: Oil Pressure Switch [Fw6 A EL, Fw6 Ax EL]

Purpose/Function

• The oil pressure switch detects the engagement pressures of the low clutch, 2-6 brake, R-3-5 brake, and the high clutch.

• The oil pressure switch signal is used for automatic shift control, manual shift control, TCC control, line pressure control, direct electric shift control, and the on-board diagnostic system.

Construction

• The oil pressure switch contacts the oil passages of the low clutch, 2-6 brake, R-3-5 brake, and the high clutch and is installed to the control valve body.

• The oil pressure switch is an on/off type switch.

  

  
  

Operation

• When engagement pressure is supplied to the applicable clutch and brake, the oil pressure switch contact point closes.

• The TCM detects that clutch engagement pressure is supplied to the applicable clutch/brake by opening/closing the oil pressure switch contact point.