Toyota Corolla (E120) 2002–2008 Repair Manual / Communication system
Toyota Corolla (E120): Communication system
Horn system
Location

Problem symptoms table

Inspection
1. Inspect low pitched horn assy

- Connect the positive (+) lead from the battery to the terminal and the negative (–) lead to the horn body, and check that the horn blows.
If the result is not as specified, replace the horn.
2. Inspect horn relay assy (marking: horn)

- Remove the horn relay from the engine room j/b.
- inspect the horn relay continuity.
Standard:

If the result is not as specified, replace the relay.
Other materials:
Monitor description
Dtc p0451, p0452 or p0453 is recorded by the ecm when the vapor pressure
sensor malfunctions.
P0451
The ecm senses pressure in the fuel tank using the vapor pressure sensor. The
ecm supplies the sensor
with a regulated 5 v reference–voltage and the sensor returns a signal voltage
betwee ...
Replacing a flat tire
1 Chock the tires.
2 For vehicles with steel wheels, remove the wheel ornament using the wrench.
To protect the wheel ornament, place a rag between the wrench and the wheel ornament,
as shown in the illustration.
3 Slightly loosen the wheel nuts (one turn).
4 Turn the tire jack portion ...
Customizing vehicle features
It is possible to customize the language and Eco Driving Indicator Light settings
using the “DISP” switch.
When customizing vehicle features, ensure that the vehicle is parked in a safe
place with the shift the shift lever to P (continuously variable transmission) or
N (manual transmissio ...


