Ac Switch On-Vehicle Inspection; Inspection Of Dual Pressure Switch - Toyota HILUX 1993 Repair Manual

AIR CONDITIONING SYSTEM
AC SWITCH
ON–VEHICLE INSPECTION
1. DISCONNECT NEGATIVE CABLE FROM BATTERY
2. REMOVE GLOVE BOX
3. REMOVE A/C SWITCH
4. CHECK A/C SWITCH FOR CONTINUITY
Using an ohmmeter, check for continuity between the
terminals for each switch position shown in the table.
If there is no continuity, replace the A/C switch.
5. INSTALL A/C SWITCH
6. INSTALL GLOVE BOX
7. CONNECT NEGATIVE CABLE TO BATTERY
PRESSURE SWITCH

INSPECTION OF DUAL PRESSURE SWITCH

ON–VEHICLE INSPECTION
1. DISCONNECT NEGATIVE CABLE FROM BATTERY
2. REMOVE GLOVE BOX
3. INSPECT PRESSURE SWITCH
(a) Install the manifold gauge set.
(b) Observe the gauge reading.
(c) Check the continuity between the two terminals of
If defective, replace the pressure switch.
– Pressure Switch
the pressure switch shown in the below.
AC–29