Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter / Warning buzzer does not sound (key reminder
warning, light reminder warning)
Toyota Corolla (E120): Warning buzzer does not sound (key reminder warning, light reminder warning)
Wiring diagram

Inspection procedere
1 Check buzzer
- Check that all of the warning buzzers sound.



2 Inspect front door courtesy lamp switch assy


3 Inspect un–lock warning switch assy


4 Check harness and connector(between un–lock warning switch and combination meter assy)


5 Check harness and connector(between courtesy lamp switch and combination meter assy)


Check and replace combination meter assy
Other materials:
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
Perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the active te ...
Replacement
1. Remove console box sub–assy rear
2. Remove parking brake lever sub–assy
3. Remove exhaust pipe assy front
4. Remove front floor heat insulator no.1
Remove the 3 nuts and front floor insulator no.1.
5. Remove front floor heat insulator no.2
Remove the 2 nuts and front ...
For vehicles equipped with catalytic converter
Caution:
if large amount of unburned fuel flows into the converter, it may cause
overheating and a fire hazard.
To prevent this, observe the following precautions.
Use only unleaded gasoline.
avoid prolonged idling.
Avoid running the engine at idle speed for more than 20 minutes. ...


