Instrument Cluster Inspection: Tachometer

Using the input/output check mode

Inspect the tachometer by setting it in the input/output check code 13.

Using the M-MDS

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 indication on the tachometer.

Connect the M-MDS to the vehicle DLC-2 16-pin connector.
Access and monitor PIDs by M-MDS.

Fig 1: Locating DLC-2 Connector
Courtesy of MAZDA MOTORS CORP.