Toyota RAV4 (XA40) 2013-2018 Service Manual: Front seatback heater
Inspection
- Inspect front seatback heater assembly lh
- Measure the resistance of the seatback heater.
Standard resistance 
If the result is not as specified, replace the seatback heater assembly
- Inspect front seatback heater assembly rh
Hint:
Use the same procedures described for the lh side.
Seat heater switch
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 ...
Front seat cushion heater
Inspection
Inspect front seat cushion heater
assembly lh
Measure the resistance of the seat cushion heater.
Standard resistance
If the result is not as specified, replace the seat ...
Other materials:
Air mix damper control servo motor circuit (driver
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 (driver seat) to the appropriate position. T ...
Problem symptoms table
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. Re ...
Oxygen (a/f) sensor heater control circuit
Hint:
Although the dtc titles say oxygen sensor, these dtcs relate to the
air-fuel ratio (a/f) sensor.
Sensor 1 refers to the sensor mounted in front of the three-way
catalytic converter (twc) and
located near the engine assembly.
Description
Refer to dtc p2195 (see page es-292 ...
