Pressure Switch - Toyota Tundra 2005 Service - Repair - Maintenance

Low pressure
side
ON (Continuity)
196 kpa
2
(2.0 kgf/cm , 28psi) (32.0 kgf/cm
OFF (No Continuity)
OFF (No Continuity)
AIR CONDITIONING

PRESSURE SWITCH

ON-VEHICLE INSPECTION
2
1
1.
2.
3.
4.
5.
I11146
6.
High pressure
7.
side
(a)
(b)
3,140 kpa
If operation is not as specified, replace the pressure switch.
2
, 455psi)
Z13470
- PRESSURE SWITCH
SET MANIFOLD GAUGE SET (See page
DISCONNECT CONNECTOR
RUN ENGINE AT APPROX. 2,000 rpm
SET BLOWER SPEED CONTROL SWITCH TO "HI"
POSITION
SET TEMPERATURE CONTROL LEVER TO "MAX.
COOL" POSITION
A/C SWITCH ON
INSPECT PRESSURE SWITCH OPERATION
Connect the positive (+) lead from the ohmmeter to termi-
nal 1 and the negative (-) lead to terminal 2.
Check continuity between terminals when refrigerant
pressure is changed, as shown in the illustration.
Author :
AC-79
AC0E7-05
AC-20 )
Date :
5106