Toyota Tacoma manuals

Toyota Corolla Repair Manual: Malfunction in speedometer

Wiring diagram

Inspection procedure

Inspection procedure

1 Check combination meter assy

  1. Remove the combination meter assy with connector still connected.
  2.  check voltage.
  1.  Jack up either of the front wheels.
  2.  Shift the shift lever to neutral.
  3.  Turn the ignition switch to on.
  4.  Measure the voltage between terminals c99 of combination meter assy and body ground when front wheel is turning slowly.

Standard voltage: voltage is generated intermittently.

Result:

Result:

Check and replace combination meter assy

Check and replace combination meter assy

2 Check obd ii scan tool or handheld tester

  1. Check output value of skid control ecu.
  1.  Connect the handheld tester to dlc3.
  2.  Turn the ignition switch to on and push the handheld tester main switch on.
  3.  Select the data list mode on the handheld tester.
  4.  Check that there is no difference between the speed value output from the speed sensor displayed by the handheld 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

Repair or replace harness or connector

3 Inspect speedometer sensor

  1. Check voltage.
  1.  Shift the shift lever to neutral.
  2.  Jack up either of the front wheel.
  3.  Turn the ignition switch to on.
  4.  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

Repair or replace harness or connector

Entire combination meter does not operate
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 ...

Malfunction in tachometer
Wiring diagram Inspection procedure Check output value of ecm.  Connect the handheld tester to dlc3. Turn the ignition switch to on and push the handheld tester main switch ...

Other materials:

Selecting a folder
■ Selecting a folder Press ( ) or ( ) to select the desired folder. ■ Selecting a folder and file from a folder list 1 Press . A folder list will be displayed. 2 Turn and press to select a folder and a file. To return to the previous display, press (BACK). ■ Return ...

Overhaul
Hint: overhaul the rh side by the same procedure as the lh side. 1. Remove front wheel 2. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 3. Remove front disc brake cylinder subassy Remove the union bolt and gasket fr ...

Replacement
Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove front door scuff plate rh 4. Remove rear door scuff plate rh 5. Remove front door opening trim rh 6. Remove rear door opening trim rh 7. Remove lap belt outer anchor cover 8. Remove center pillar garnis ...

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