

System diagram


Precaution
System descriptionSymptom confirmation and diagnostic trouble code
Hint:
The diagnostic system in the rav4 has various
functions.
The first function is the diagnostic trouble code
(dtc) check. A dtc is a code stored in the ecu
memory whenever a malfunction in the signal circuits
to the ecu occurs. In a dtc check, a previous
malfunction's dtc can be ch ...
Solar sensor circuit (driver side)
Description
The solar sensor, which is installed on the upper side of the instrument
panel, detects sunlight and
controls the air conditioning auto mode. The output voltage from the solar
sensor varies in accordance
with the amount of sunlight. When the sunlight increases, the output volt ...
Memory recall function (vehicles with a smart key system)
Each electronic key can be registered to recall your preferred driving
position.
Registering procedure
Record your driving position to button “1” or “2” before performing
the following:
carry only the key you want to register, and then close the driver’s
door.
If 2 or more keys ar ...