Toyota Corolla Repair Manual: 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
Wiring diagram
Inspection procedere
1 Check fuse
Check that continuity exists of dome fuse.
check that continuity exists of gauge fuse.
check that continuity exists of am1 fu ...
Wiring diagram
Inspection procedure
Check output value of ecm.
Connect the hand–held tester to dlc3.
Turn the ignition switch to on and push the hand–held tester main switch ...
Other materials:
Inspection procedure
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using the hand–held tester.
1 Perform active test by hand–held tester(abs warning light)
Check that ”on” and ”off” of the abs warning light can be shown on the
combination me ...
Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm:
● Unlock the doors or open the trunk.
● Vehicles without a smart key system:
Turn the engine switch to the “ACC” or “ON” position, or start the engine. (The
alarm will be deactivated or stopped after a few seconds.)
● V ...
Automatic transmission / trans
Preparation
Sst
Recomended tools
Equipment
Lubricant
Ssm (special service materials)
...