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Home >> Mazda >> 1987 >> 323 LX, Standard >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel - Electronic >> Component Testing >> Fuel Gauge

Fuel Gauge

  1. Remove connector from fuel gauge sending unit. Install Checker (49 0839 285). Attach Red lead of checker to terminal of connector. Attach Black lead of checker to body ground. Set resistance to values shown in FUEL GAUGE RESISTANCE  table.
  2. Turn ignition switch to "ON" position and confirm that accurate amount of segments display. Continue test for 2 minutes per segment. Always cycle ignition switch from "OFF" and "ON" positions before each test. If segments do not match resistance values, replace gauge. SeeFig 1
Fig 1: 323 Fuel Gauge Testing
G33034
FUEL GAUGE RESISTANCE

Test Resistance (Ohms) Number of Segments Lit
55.5 1
44.5 2
37 3
31.5 4
26.5 5
21.5 6
16.5 7
11 8
4.5 ALL