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 airbag sensor assy center consists of a airbag sensor assy center, safing
sensor, drive circuit, diagnosis
circuit and ignition control, etc.
It receives signals from the airbag sensor, judges whether or not the srs must
be activated, and detects
diagnosis system malfunction.
Dtc b11 ...
Circuit description
Refer to dtc p0130
Hint:
the ecm provides a pulse width modulated control circuit to adjust current
through the heater. The heated
oxygen sensor heater circuit uses a relay on the b+ side of the circuit.
Monitor description
The ecm uses the heated oxygen sensor information to regulate t ...
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the instrument panel ...


