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Home >> Mazda >> 1993 >> RX-7 Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panels >> Component Testing >> Oil Pressure Gauge

Oil Pressure Gauge

NOTE: After changing checker resistance value, allow 2 minutes for needle to stabilize. Allowable limit of needle deflection is twice width of needle.
  1. Disconnect oil pressure sensor connector. Connect Checker (49-0839-285) Red wire lead to oil pressure sensor connector terminal. Connect checker Black wire lead to ground.
  2. Set checker to specified resistance value. See OIL PRESSURE GAUGE RESISTANCE  . Turn ignition on. If gauge needle does not rest at specified position for each resistance value setting, check wiring. If wiring is okay, replace gauge.
OIL PRESSURE GAUGE RESISTANCE

Resistance Setting (Ohms) Needle Position
Infinite 0 psi
28 60 psi
10 120 psi