Tachometer Inspection
WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
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.
- "DataLogger"
- "Modules"
- "IC"
- Using "TACHOMTR", verify that the displayed information is as indicated in the chart.
| M-MDS display | Instrument cluster display |
|---|---|
| 3000 RPM | Tachometer needle moves to approx. 3, 050 rpm. |
| 6000 RPM | Tachometer needle moves to approx. 6, 100 rpm. |
| Off | Tachometer needle moves to bottommost position. |
- If the tachometer does not operate or the indication is not within the allowable range, inspect the DTC inspection for the following control module and the related wiring harnesses.
- PCM
- If the PCM and related wiring harnesses are normal, replace the instrument cluster.