Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter / Malfunction in speedometer
Toyota Corolla (E120): Malfunction in speedometer
Wiring diagram

Inspection procedure
1 Check combination meter assy

- Remove the combination meter assy with connector still connected.
- check voltage.
- Jack up either of the front wheels.
- Shift the shift lever to neutral.
- Turn the ignition switch to on.
- Measure the voltage between terminals c9–9 of combination meter assy and body ground when front wheel is turning slowly.
Standard voltage: voltage is generated intermittently.

Result:



Check and replace combination meter assy
2 Check obd ii scan tool or hand–held tester
- Check output value of skid control ecu.
- Connect the hand–held tester to dlc3.
- Turn the ignition switch to on and push the hand–held tester main switch on.
- Select the data list mode on the hand–held tester.
- Check that there is no difference between the speed value output
from the speed sensor displayed
by the hand–held tester and the speed value displayed by the speedometer
when driving
the vehicle.
Ok: there is almost no difference from the displayed speed value.


Repair or replace harness or connector
3 Inspect speedometer sensor

- Check voltage.
- Shift the shift lever to neutral.
- Jack up either of the front wheel.
- Turn the ignition switch to on.
- Measure voltage between terminals 3 and 2 of speed sensor when the front wheel is turning slowly.
Standard voltage: voltage is generated intermittently.



Repair or replace harness or connector
Other materials:
Emergency flashers
The emergency flashers are used to warn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch once again.
■Emergency flashers
If the emergency flashers are used ...
Safety Connect services
■ Automatic Collision Notification
In case of either airbag deployment
or severe rear-end collision,
the system is designed to
automatically call the response
center. The responding agent
receives the vehicle's location
and attempts to speak with the vehicle occupants to assess the
level of emerge ...
Playing an audio CD and MP3/WMA/AAC discs (Multimedia system)
CD player operation
Insert disc or select “CD” on the audio source selection screen with a disc
inserted to begin listening to a CD.
Audio control screen
Pressing the “AUDIO” button displays the audio control screen from any screens
of the selected source.
1 Audio source selection sc ...


