Instrument Cluster Inspection: Tachometer

Remove the tachometer. See INSTRUMENT CLUSTER DISASSEMBLY/ASSEMBLY .
Measure the resistance between the tachometer terminals using an ohmmeter.
- If not as specified, replace the tachometer. See INSTRUMENT CLUSTER DISASSEMBLY/ASSEMBLY .
Fig 1: Testing Tachometer (1 Of 2)
Courtesy of MAZDA MOTORS CORP.

Fig 2: Testing Tachometer (2 Of 2)
Courtesy of MAZDA MOTORS CORP.