Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

(5) Measure the voltage according to the value(s) in the table
below.
Text in Illustration
*a
Component without harness connected
(to Air Conditioner Pressure Sensor)
Standard Voltage:
TESTER CONNECTION SWITCH
CONDITION
SPECIFIED
CONDITION
A34-3 (+) - Body
ground
IG ON 4.75 to 5.25 V
If the voltage is not as specified, repair the wire harness or
replace the air conditioning amplifier assembly.
(b) Check the air conditioner pressure sensor.
(1) Install a manifold gauge set.
(2) Connect the A34 air conditioner pressure sensor connector.
(3) Warm up the engine.
(4) A/C switch on.
(5) Measure the voltage according to the value(s) in the table
below.
Text in Illustration
*a
Component without harness connected
(to Air Conditioner Pressure Sensor)
Standard Voltage:
TESTER
CONNECTION
SWITCH CONDITION SPECIFIED
CONDITION
A35-2 (PRE) -
A36-12 (S5-1)
Refrigerant pressure:
Normal pressure (less than 3025
kPa (30.8 kgf/ cm
2
, 439 psi) and
m
ore than 176 kPa (1.8 kgf/cm
2
,
26 psi))
0.63 to 4.72 V
If the voltage is not as specified, replace the air conditioner
pressure sensor.
2. INSPECT AIR CONDITIONER PRESSURE SENSOR (for Manual Air Conditioning System)
(a) Check the wire harness.
(1) Disconnect the A34 air conditioner pressure sensor connector.
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