240SX L4-2389cc 2.4L SOHC MFI (KA24E) (1989)
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A/C Pressure Sensor/Switch - Cooling Fan: Testing and Inspection
Run engine and operate A/C.
Connect A/C manifold gauges.
Check Triple-Pressure Switch under the following conditions:
Low Pressure Side
ON .................................................................................................................................................................................................. 157-226 kPa (23-33 psi)
OFF .......................................................................................................................................................................................... 152-201 kPa (22.0-29.2 psi)
Medium Presure Side [1]
ON ......................................................................................................................................................................................... 1,422-1,618kPa (206-235 psi)
OFF ....................................................................................................................................................................................... 1,128-1,422kPa (164-206 psi)
High Pressure Side
ON ......................................................................................................................................................................................... 1,667-2,059kPa (242-299 psi)
OFF ....................................................................................................................................................................................... 2,452-2,844kPa (356-412 psi)
[1] -- For radiator fan motor operation
