Toyota RAV4 (XA40) 2013-2018 Service Manual: Heater relay
On-vehicle inspection
- Inspect relay (marking: htr)
- Measure the resistance of the htr relay.
Standard resistance 
If the result is not as specified, replace the relay.
Solar sensor (for automatic air conditioning system)
Components
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent ai ...
Air conditioning control assembly (for automatic air conditioning system)
Components
Removal
Disconnect cable from negative battery
terminal
Notice:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent air ...
Other materials:
Check mode procedure
Hint:
Intelligent tester only:
compared to normal mode, check mode is more sensitive to
malfunctions. Therefore, check mode can detect the
malfunctions that cannot be detected by normal mode.
Notice:
All the stored dtcs and freeze frame data are erased if:
The ecm is changed from normal mo ...
On-vehicle inspection
Check fan and generator v belt
Visually check the drive belt for excessive wear,
frayed cords, etc.
If any defect has been found, replace the drive belt.
Hint:
Cracks on the rib side of a drive belt are considered
acceptable.
If the drive belt has chunks missing from the r ...
Fog light switch
The fog lights secure excellent visibility in difficult driving
conditions,
such as in rain and fog.
(U.S.A.) Or (canada)
turns the fog lights off
Turns the fog lights on
Fog lights can be used when
The headlights are on in low beam. ...
