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: Instrument Cluster Inspection Table (Tachometer)
Courtesy of MAZDA MOTORS CORP.

Fig 2: Inspecting Instrument Cluster (Tachometer)
Courtesy of MAZDA MOTORS CORP.