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:
Diagnosis system
Description
Key reminder warning system data can be read
through the data link connector 3 (dlc3) of the
vehicle. When the system seems to be
malfunctioning, use the intelligent tester (with can
vim) to check for malfunctions and perform repairs.
Check dlc3
The vehi ...
Engine control system malfunction
Description
If a malfunction in the engine control system is detected, the operations of
vsc and trc are prohibited
by the fail-safe function. When the signals from the engine are input normally,
the fail-safe is canceled and
the dtc is not stored.
Inspection procedure
Check harn ...
Air inlet control servo motor
Components
Removal
Remove blower assembly
Remove the blower (see page ac-203).
Remove air inlet control servo motor (see
page ac-210)
Inspection
Inspect air inlet control servo motor (for automatic air conditioning
system)
Inspect the servo motor operation. ...
