Toyota RAV4 (XA40) 2013-2018 Service Manual: System description
- General
- The air conditioning system has the following features:
- In accordance with the temperature set using the
temperature control switch, the air conditioning
amplifier determines the outlet temperature
based on the input signals from various sensors.
In addition, corrections are made in accordance with the signals from the water temperature sensor to control the outlet air temperature.
- Controls the blower motor in accordance with the airflow volume determined by the air conditioning amplifier based on the input signals from various sensors.
- Automatically changes the outlets in accordance with the outlet mode ratio that is determined by the air conditioning amplifier based on the input signals from various sensors.
- Based on the signals from the ambient temperature sensor, this system calculates the outside temperature and indicates it in the multiinformation display in the combination meter assembly.
- The left/right independent temperature control and neural network control make air conditioner control available to suit the persons in the driver seat and in the passenger seat.
- Turns the rear defogger and outside rear mirror heaters on for 15 minutes when the rear defogger switch is pressed. Turns them off if the switch is pressed while they are operating.
- Checks the sensors in accordance with the operation of the air conditioner switches.
- The air conditioning amplifier has the function of controlling the indicator lighting.
- Mode position and damper operation
- Air outlet and airflow volume
The circle size (..) Indicates the proportion of the flow volume.
System diagram
System diagram (2005/11-2006/01)
System diagram (2006/01- )
...
How to proceed with troubleshooting (2005/11-2006/01)
Hint:
Use these procedures to troubleshoot the air conditioning
system.
*: Use the intelligent tester.
Vehicle brought to workshop
Customer problem analysis and symptom check
...
Other materials:
Problem symptoms table (2005/11-2006/01)
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column
of the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...
Engine compartment
Engine coolant reservoir
Engine oil filler cap
Battery
Brake fluid reservoir
Fuse box
Radiator
Condenser
Electric cooling fans
Engine oil level dipstick
Washer fluid tank
Engine oil
With the engine at operating temperature and turned off, check the oil
level on the dips ...
Inspection
Inspect generator brush holder assembly
Using a vernier caliper, measure the brush length.
Standard length:
9.5 To 11.5 Mm (0.374 To 0.453 In.)
Minimum length:
4.5 Mm (0.177 In.)
If the brush length is less than the minimum, replace
the generator brush holder assembly.
Inspe ...
