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:
Wiring diagram
1 Inspect terminal voltage(pi)
(a) turn
Turn the ignition switch to on.
measure voltage between terminal 5 (pi) of cruise control
ecu assy and body ground, when the cruise control main
switch button is on and off.
Ok:
2 Inspect combination meter assy
3 Check harn ...
Inspection procedure
1 Inspect skid control ecu connector(+bs terminal voltage)
Disconnect the skid control ecu connector.
measure the voltage between terminals +bs (2) and gnd
(1, 23) of skid control ecu harness side connector.
Voltage: 10 – 14 v
2 Reconfirm dtc
Check the dtc .
Ok :
...
Replacement
Hint:
installation is in the reverse order of the removal. But the installation is
indicated only when it has a point.
1. Remove radiator grille sub–assy
Remove the 2 bolts and clip.
using a screwdriver, remove the radiator grille.
Hint:
tape the screwdriver tip before use. ...


