Toyota Corolla (E170) 2014–2019 Owners Manual / Vehicle specifications / Specifications / Tire information / Typical DOT and Tire Identification Number (TIN)
Toyota Corolla (E170): Typical DOT and Tire Identification Number (TIN)
1 DOT symbol*
2 Tire Identification Number (TIN)
3 Tire manufacturer’s identification mark
4 Tire size code
5 Manufacturer’s optional tire type code (3 or 4 letters)
6 Manufacturing week
7 Manufacturing year
*: The DOT symbol certifies that the tire conforms to applicable Federal Motor Vehicle Safety Standards.

Other materials:
On–vehicle inspection
1. Check cooling fan operation with low temperature (below 83 c (181 f))
Turn the ignition switch on.
check that the cooling fan stops.
Hint:
if not, check the cooling fan relay and water temperature sensor, and check for
separated connector or severed
wire between the cooling fan ...
Inspection
1. Thermostat
Hint:
the thermostat is numbered with the valve opening temperature.
Immerse the thermostat in water and gradually heat the
water.
check the valve opening temperature.
Valve opening temperature:
80 to 84 c (176 to 183 f)
Hint:
if the valve opening temperatur ...
On–vehicle inspection
1. Inspect cooling system for leaks
Caution:
to avoid the danger of being burned, do not remove the radiator
cap while the engine and radiator are still hot, as fluid
and steam can be blown out under pressure.
fill the radiator with coolant and attach a radiator cap tester.
  ...


