Mitsubishi 3000GT Service Manual page 524

CHASSIS ELECTRICAL - Meters and Gauges
FUEL GAUGE UNIT CHECK
To check, remove fuel gauge unit from fuel tank. (Refer to
GROUP 13F - Fuel Tank.)
Fuel Gauge Unit Resistance
(1) Check that resistance value between the fuel gauge termi-
nal and ground terminal is at standard value when fuel
gauge unit float is at point F (highest) and point E (lowest).
Standard value:
(2) Check that resistance value changes smoothly when float
moves slowly between point F (highest) and point E (low-
est).
Fuel Gauge Unit Float Height
Move float and measure the height at point F (highest) and
point E (lowest) with float arm touching stopper.
Standard value:
Point F: 18.6-21.6 mm (.73-.85 in.)
Point E: 193.4-196.4 mm (7.61-7.73 in.)
00002300
FUEL SENSOR CHECK
Connect fuel gauge unit to battery via test light (12 V-3.4
W). Immerse in water. Condition good if light goes off when
unit thermistor is in water and lights when unit is removed
from water.
Caution
After completing this test, wipe the unit dry and install
it in the fuel tank.
0 0 0 0 2 3 8 3
TSB Revision
Point F: 3 If: 2 G
Point E: 110 It 7 Q