Mazda MX-5 NA silhouetteMX-5 NA

INSTRUMENT CLUSTER

T-37prose procedure

Oil Pressure Sensor Inspection

  1. 1
    Disconnect the oil pressure sensor connector.
  2. 2
    Measure resistance between the oil pressure sensor and a body ground as shown.
    Oil pressure sensor on engine with ohmmeter connected to measure resistance between sensor terminal and body ground.
    05U0TX-071
  3. 3
    If not as specified, replace the oil pressure sensor.

Oil Pressure Sensor Resistance

Engine stopped
Resistance110 — 130 ohm
Engine running
Resistance13 — 55 ohm

Speedometer Cable Inspection

  1. 1
    Disconnect the speedometer cable from the instrument cluster and transmission case.
  2. 2
    Verify that the cable and gear spin easily when turned by hand.
    Speedometer cable end being held by hand showing the cable and gear for spin/rotation check.
    05U0TX-072
  3. 3
    If the cable or gear is stiff, replace as necessary.

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