Toyota Corolla (E120): Replacement
Hint
: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove horn button assy

- Place the front wheels facing straight ahead.
- using a torx socket wrench (t30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw case.

- Pull out the horn button assy from the steering wheel assy.
- using a screwdriver, release the lock part of each airbag connector and disconnect the 2 airbag connectors.
4. Inspect horn button assy
5. Install horn button assy
- connect the airbag connectors and horn connector.
- install the horn button assy after confirming that the circumference groove of the torx screws is caught on the screw case.
- using a torx socket wrench (t 30), install the 2 screws.
Torque: 8.8 Nvm (90 kgfvcm, 78 in.Vlbf)
6. Inspect srs warning light
Other materials:
Circuit description
If the engine coolant temperature (ect) does not reach 75°c (167°f) despite
sufficient warm – up time has
elapsed.
Dtc no
Dtc detection condition
Trouble area
P0128
Condition (a), (b) and (c):
cold start
after engine is warmed up
& ...
Eco drive mode (if equipped)
Press the switch.
Suitable for enhancing the fuel economy, because the torque corresponding to
the accelerator pedal depression amount can be generated more smoothly than it is
in normal conditions and the operation of the air conditioning system (heating/cooling)
will be minimized.
Press th ...
Evap monitor (vacuum pressure monitor) (continued)
Preconditions
The monitor will not run unless:
mil is off.
Fuel level is approximately 1/2 to 3/4.
Altitude is 7800 feet (2400 m) or less.*
Engine coolant temperature (ect) is between 40°f and 95°f (4.4 °C and 35
°C).
Intake air temperature (iat) is between 40°f and 95 ...


