Pressure Switch - Toyota T100 1996 Service Manual

Connector
Low Pressure
Side
ON (Continuity)
196 kpa
2
(2.0 kgf/cm ,28psi) (32.0 kgf/cm
OFF (No Continuity) OFF (No Continuity)
1996 TOYOTA T100 (RM449U)
AIR CONDITIONING

PRESSURE SWITCH

ON−VEHICLE INSPECTION
1.
2.
3.
4.
(a)
(b)
(c)
(d)
5.
1
2 (a)
4 3
Z04350
(b)
High Pressure
Side
If operation is not as specified, replace the pressure switch.
3,140 kpa
2
,455psi)
Z13470
− PRESSURE SWITCH
SET ON MANIFOLD GAUGE SET
(See page AC−17)
REMOVE GLOVE COMPARTMENT DOOR
(See page BO−36)
DISCONNECT CONNECTOR FROM COOLING UNIT
SET VEHICLE IN THESE CONDITIONS:
Running engine at 2,000 rpm
Blower speed control switch at HI
Temperature control lever MAX. COOL
A/C switch ON
INSPECT PRESSURE SWITCH OPERATION
Connect the positive (+) lead from the ohmmeter to termi-
nal 1 and negative (−) lead to terminal 3.
Check continuity between terminals when refrigerant
pressure is changed, as shown in the illustration.
Author :
AC−75
AC0GF−01
Date : 2009