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:
Cruise control
The vehicle can be driven at
a set speed even if the
accelerator pedal is not
depressed.
Use the cruise control only
on highways and expressways.
WARNING
■For safe use
Driving safely is solely the
responsibility of the driver.
Therefore, do not overly rely on
this system. The driver is solel ...
Favorite settings
My Settings
Drivers are identified using
devices such as electronic
keys to store the vehicle
settings for each. Then the
information can be recalled
the next time the vehicle is
driven.
Authentication devices can
be assigned in advance to
drivers so that they can
drive using their preferred
settin ...
Inspection procedure
1 Inspect transmission wire(s2)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check harness and connector(transmission wire – ecm)
Connect the transmission connec ...