Toyota
Toyota Land Cruiser
 Service Manual
Air conditioning Pressure switch
On-vehicle inspection

1. SET VEHICLE IN THESE CONDITION

(a) Engine speed at 1,500 rpm (b) Blower speed control switch at "HI" position (c) Temperature control dial at "MAX. COOL" position (d) Manifold gauge set setting

2. INSPECT PRESSURE SWITCH OPERATION

(a) Disconnect the connector.

(a) Disconnect the connector.

(b) Inspect pressure switch continuity (Magnetic Clutch Control)

(b) Inspect pressure switch continuity (Magnetic Clutch Control)

  1.  Connect the positive (+) lead from the ohmmeter to terminal 1 and the negative (-) lead to terminal 2.
  2.  Check continuity between terminals when the refrigerant pressure is changed, as shown in the illustration.

If continuity is not as specified, replace the pressure switch.

    More about Pressure switch:

    On-vehicle inspection

    Removal

    Toyota Land Cruiser Service Manual / Air conditioning / Pressure switch / On-vehicle inspection

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