Toyota Yaris: Air Conditioning Pressure Sensor / On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT AIR CONDITIONING PRESSURE SENSOR
(a) Check the wire harness.
(1) Disconnect the A51 air conditioner pressure sensor connector.
(2) Disconnect the H25 air conditioning amplifier assembly connector.
| (3) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the resistance is not as specified, repair the wire harness. |
|
(4) Reconnect the H25 air conditioning amplifier assembly connector.
(5) Turn the ignition switch ON (IG).
| (6) Measure the voltage according to the value(s) in the table below. Standard Voltage:
If the voltage is not as specified, repair the wire harness or replace air conditioning amplifier assembly. |
|
(b) Check the air conditioner pressure sensor.
(1) Connect the connector to the A51 air conditioner pressure sensor connector.
(2) Install a manifold gauge set.
(3) Turn the A/C switch ON.
(4) Measure the voltage according to the value(s) in the table below.
| *a | Component with harness connected (Air Conditioning Amplifier Assembly) | - | - |
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| H25-6 (PRE) - H25-15 (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)) | 0.74 to 4.61 V |
HINT:
Check from the rear of the connector while it is connected to the air conditioning amplifier assembly.
If the voltage is not as specified, replace the air conditioner pressure sensor.
Components
C..
Removal
REMOVAL PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM Click here
2. REMOVE AIR CONDITIONER PRESSURE SENSOR (a) Disconnect the connector...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Glossary Of Sae And Toyota Terms
GLOSSARY OF SAE AND TOYOTA TERMS This glossary lists all SAE-J1930 terms and abbreviations used in this manual in compliance with SAE recommendations, as well as their TOYOTA equivalents. SAE Abbreviation SAE Term TOYOTA Term ( )-Abbreviation A/C Air Conditioning Air Conditioner ACL Air Cleaner Air Cleaner, A/CL AIR Secondary Air Injection Air Injection (AI) AP Accelerator Pedal - B+ Battery Positive Voltage +B, Battery Voltage BARO Barometric Pressure HAC CAC Charge Air Cooler Intercooler CARB Carburetor Carburetor CFI Continuous Fuel Injection - CKP Crankshaft Position Crank Angle CL Closed Loop Closed Loop CMP Camshaft Position Cam Angle CPP Clutch Pedal Position - CTOX Continuous Trap Oxidizer - CTP Closed Throttle Position LL ON, Idle ON DFI Direct Fuel Injection Direct Injection (DI...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
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Fuel-Filler Lid and Cap
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait for any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness if ingested. Fuel spray is released when there is pressure in the fuel tank and the fuel-filler cap is removed too quickly.
