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:
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...
If the engine will not start
If the engine will not start
even though correct starting
procedures are being followed, consider
each of the following
points:
The engine will not start
even though the starter
motor operates normally.
One of the following may be the
cause of the problem:
There may not be sufficient
fuel in the ...
Replacement
1. Discharge refrigerant from refrigeration system
turn the a/c switch on.
operating the cooler compressor at the engine rpm of approx. 1000
For 5 to 6 min., Circulate the refrigerant
and collect compressor oil remaining in each component into the cooler
compressor as much ...


