Toyota RAV4 (XA40) 2013-2018 Service Manual: Refrigerant

Ig power source circuit

Description This is the main power source supplied to the air conditioning amplifier when the ignition switch is on. This power source is used for operating components, such as the air condition ...

On-vehicle inspection

Inspect refrigerant pressure with manifold gauge set This method uses a manifold gauge set to locate problem areas. Read the manifold gauge pressure when these conditions are establishe ...

Other materials:

Air mix damper control servo motor circuit (passenger side)
Description The air mix damper servo sends pulse signals to indicate the damper position to the air conditioning amplifier. The air conditioning amplifier activates the motor (normal or reverse) based on these signals to move the air mix damper (passenger seat) to the appropriate position ...

Diagnosis system
Description Air conditioning system data and the diagnostic trouble codes (dtcs) can be read through the data link connector 3 (dlc3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform troubleshooting. ...

Data list
Hint: By reading the data list displayed on an intelligent tester, values can be checked, including those of the switches, sensors, and actuators, without removing any parts. Reading the data list as the first step of troubleshooting is one method of shortening diagnostic time. Notice: In th ...