Toyota Corolla (E210) 2019-2025 Owners Manual / Interior features / Using the air conditioning system and defogger / Heated steering wheel/seat heaters
Toyota Corolla (E210): Heated steering wheel/seat heaters
- Heated steering wheel
Warms up the grip of the steering wheel
- Seat heaters
Warm up the seat upholstery
WARNING
To prevent minor burn injuries
Care should be taken if anyone in the following categories comes in contact with the steering wheel or seats when the heater is on:
- 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.)
NOTICE
■To prevent damage to the seat heaters
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
Do not use the functions when the engine is off.
Operation instructions
■ Heated steering wheel
Turns heated steering wheel on/off
When the heated steering wheel is on, the indicator illuminates on the heated steering wheel switch.

■ Seat heaters
Front
Turns seat heaters on/off

- High temperature
- Low temperature
When the seat heater is on, the indicator illuminates on the seat heater switch.
When not in use, put the switch in the neutral position. The indicator will turn off.
Rear
Turns seat heaters on/off
When the seat heater is on, the indicator illuminates on the seat heater switch.

■The heated steering wheel and seat heaters can be used when
The engine switch is in ON.
WARNING
■To prevent overheating and minor burn injuries
Observe the following precautions when using the seat heaters.
- Do not cover the seat with a blanket or cushion when using the seat heater.
- Do not use seat heater more than necessary.
Other materials:
Inspection procedure
1 Check un–lock warning switch assy
Disconnect the key unlock warning switch connector.
check the continuity between the terminals of the key unlock
warning switch connector, as shown in the illustration
and table.
Standard:
2 Check wire harness (tvip ecu unlock warni ...
Mass or volume air flow circuit
Dtc p0100 mass or volume air flow circuit
Dtc p0102 mass or volume air flow circuit
low input
Dtc p0103 mass or volume air flow circuit
high input
Circuit description
The maf (mass air flow) sensor measures the amount of air flowing through the
throttle valve. The ecm
uses this information ...
Overhaul
Hint:
overhaul the rh side by the same procedure as the lh side.
1. Remove front wheel
2. Drain brake fluid
Notice:
wash the brake fluid off immediately if it comes into contact with any painted
surface.
3. Remove front disc brake cylinder sub–assy
Remove the union bolt and gasket ...


