LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 1986 >> 323 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Electronic >> Component Testing >> Fuel Gauge

Fuel Gauge

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 - 323 MODELS  orFUEL GAUGE RESISTANCE - 626 MODELS  chart. 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
G33034Courtesy of MAZDA MOTORS CORP.
FUEL GAUGE RESISTANCE - 323 MODELS

Set 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
FUEL GAUGE RESISTANCE - 626 MODELS

Set Resistance (Ohms) Segment Indication
108 Empty
37 1/2 Full
7 Full