Tachometer Inspection
CAUTION:
- If the engine speed exceeds the allowable range, the engine could be damaged. Therefore, when inspecting the tachometer, do not allow the engine speed to exceed the allowable range indicated on the tachometer.
- Connect the M-MDS to the DLC-2.
- After vehicle identification, select the following from the M-MDS initialization screen.
- Select "Data logger" (2)Select "Module" (3)Select "IC"
- Using the simulation function TACHOMTR, verify that the values are as indicated in the table.
| M-MDS display | Tachometer display |
|---|---|
| 3000 RPM | Tachometer needle moves to approx. 3, 150 rpm. |
| 6000 RPM | Tachometer needle moves to approx. 6, 120 rpm. |
| Off | Tachometer needle moves to bottommost position. |
- If not as indicated in the table, replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)