HEATING / AIR CONDITIONING  AIR CONDITIONING PRESSURE SENSOR  ON-VEHICLE INSPECTION  

1.49,0.146 1.875,0.354 0.385,0.208 1.51,1.646 1.906,1.854 0.396,0.208 1.063,1.417 1.479,1 true 2.448,0.563 1.771,0.885 true 1.958,1.01 2.417,1.417 true 0.594,2.781 1.417,2.625 true 2.813,2.792 2.135,2.625 true 0.667,3.188 1.25,2.833 true 0.417,0.25 0.729,0.406 0.313,0.156 10 false *a 0.427,1.51 0.74,1.667 0.313,0.156 10 false *b 1.563,0.167 2.021,0.365 0.458,0.198 10 false A22 1.594,1.667 1.938,1.833 0.344,0.167 10 false E45 0.958,1.375 1.115,1.573 0.156,0.198 10 false - 2.469,1.365 2.625,1.563 0.156,0.198 10 false + 2.49,0.469 2.802,0.667 0.313,0.198 10 false PR 0.323,3.135 0.771,3.333 0.448,0.198 10 false SG-4 0.292,2.708 0.75,2.906 0.458,0.198 10 false PRE 2.854,2.719 3.302,2.885 0.448,0.167 10 false S5-3

*a	Front view of wire harness connector (Air Conditioning Pressure Sensor)
*b	Front view of wire harness connector (Air Conditioning Amplifier Assembly)

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(A22,E45)Location & Routingewd_type=routing;type=c,c;code=A22,E45 Click Connector(A22)Engine Compartment>Engine Room Main Wire / Transmission Wire>Air Conditioning Pressure Sensorewd_type=component;type=c;code=A22;pinno=1,2,3 Click Connector(E45)Instrument Panel>Instrument Panel Wire / Radio Wiring Sub-Assy / Telephone Computer Wire>Air Conditioning Amplifier Assemblyewd_type=component;type=c;code=E45;pinno=15,6,11
A22-1 (-) - E45-15 (SG-4)	Always	Below 1 Ω
A22-2 (PR) - E45-6 (PRE)	Always	Below 1 Ω
A22-3 (+) - E45-11 (S5-3)	Always	Below 1 Ω
A22-1 (-) or E45-15 (SG-4) - Other terminals and body ground	Always	10 kΩ or higher
A22-2 (PR) or E45-6 (PRE) - Other terminals and body ground	Always	10 kΩ or higher
A22-3 (+) or E45-11 (S5-3) - Other terminals and body ground	Always	10 kΩ or higher

If the resistance is not as specified, repair or replace the wire harness.

1.521,0.229 1.906,0.438 0.385,0.208 2.396,1.896 1.99,1.458 true 0.521,0.26 0.833,0.417 0.313,0.156 10 false *a 1.594,0.25 1.969,0.469 0.375,0.219 10 false A22 2.438,1.885 2.594,2.083 0.156,0.198 10 false +

*a	Front view of wire harness connector (Air Conditioning Pressure Sensor)

Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(A22)Location & Routingewd_type=routing;type=c;code=A22 Click Connector(A22)Engine Compartment>Engine Room Main Wire / Transmission Wire>Air Conditioning Pressure Sensorewd_type=component;type=c;code=A22;pinno=3
A22-3 (+) - Body ground	Ignition switch on (IG)	4.75 to 5.25 V

If the result is not as specified, repair or replace the wire harness or replace the air conditioning amplifier assembly.

Measure the voltage according to the value(s) in the table below.

2.115,0.042 2.542,0.229 0.427,0.188 3.354,1.896 3.771,2.094 0.417,0.198 2.208,0.375 2.458,0.375 2.458,0.375 2.458,0.875 true 2.792,1.5 2.583,1.5 2.583,1.5 2.583,1.083 true 3.49,2.229 3.75,2.229 3.75,2.229 3.75,2.729 true 4.063,3.365 3.865,3.365 3.865,3.365 3.865,2.948 true 0.083,0.083 0.333,0.323 0.25,0.24 12 true *A 0.25,0.333 0.417,0.5 0.167,0.167 10 true *a 0.083,1.844 0.333,2.083 0.25,0.24 12 true *B 0.25,2.167 0.417,2.333 0.167,0.167 10 true *a 2.208,0.063 2.542,0.229 0.333,0.167 10 false E45 3.438,1.917 3.792,2.083 0.354,0.167 10 false E45 1.896,0.292 2.177,0.469 0.281,0.177 10 false PRE 2.823,1.406 3.438,1.604 0.615,0.198 10 false SG-4 3.177,2.146 3.458,2.323 0.281,0.177 10 false PRE 4.094,3.281 4.438,3.427 0.344,0.146 10 true SG-4

*A	w/o Seat Heater System	*B	w/ Seat Heater System
*a	Component with harness connected (Air Conditioning Amplifier Assembly)	-	-

HINT:

Check from the rear of the connector while it is connected to the air conditioning amplifier assembly.

Standard Voltage:

Tester Connection	Condition	Specified Condition
*: While sensor voltage is 5 V.
Click Location & Routing(E45)Location & Routingewd_type=routing;type=c;code=E45 Click Connector(E45)Instrument Panel>Instrument Panel Wire / Radio Wiring Sub-Assy / Telephone Computer Wire>Air Conditioning Amplifier Assemblyewd_type=component;type=c;code=E45;pinno=6,15
E45-6 (PRE) - E45-15 (SG-4)	Refrigerant pressure: Normal pressure (less than 3025 kPa (30.8 kgf/cm2, 439 psi) and more than 176 kPa (1.8 kgf/cm2, 26 psi))	0.62 to 4.73 V*

If the voltage is not as specified, replace the air conditioning pressure sensor.