Toyota Corolla (E170): Seat heaters
Press the switch.
1 High temperature
2 Low temperature
The indicator light comes on when the switch is on.

■The seat heaters can be used when
► Vehicles without a smart key system The engine switch is in the “ON” position.
►Vehicles with a smart key system The engine switch is in IGNITION ON mode.
■When not in use
Put the switch in the neutral position. The indicator will turn off.
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the physically challenged • Persons with sensitive skin • Persons who are fatigued • Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the seat and may lead to overheating.
●Do not use seat heater more than necessary. Doing so may cause minor burns or overheating.
NOTICE
■To prevent seat heater damage
Do not put heavy objects that have an uneven surface on the seat and do not stick sharp objects (needles, nails, etc.) into the seat.
■To prevent battery discharge
Turn the seat heaters off when the engine is not running.
Other materials:
Circuit description
The p/t squib (lh) circuit consists of the airbag sensor assy center and seat
belt pretensioner (lh).
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit.
Wiring diagram
...
Check open circuit
For the open circuit in the wire harness in fig. 1, Perform
a resistance check in step (b) or a voltage check in step
(c) to locate the section.
Check the resistance.
Disconnect connectors a and c and measure the
resistance between them.
Resistance: 1 Ω or les ...
Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
...


