TM 9-2320-387-24-l
INSTRUMENTS CIRCUIT
DIAGNOSTIC FLOWCHART
FROM
6. Y
w
IT
L
r OPTIONS
VISUAL
KNOWN INFO
WINDSHIELD WIPERS
OK
WITH THE IGNITION SWITCH IN
THE RUN POSITION, DOES THE
FUEL GAUGE WORK PROPERLY ?
POSSIBLE PROBLEMS
FUEL GAUGE
OIL PRESSURE GAUGE
TEMPERATURE
GAUGE
WIRING
SENDING UNITS
REASON FOR QUESTlON
If the fuel gauge works, the
power to the gauge is OK.
KNOWN INFO
P
I
I+1
r OPTIONS
VISUAL
FUEL GAUGE OK
DOES THE ENGINE OIL
PRESSURE GAUGE WORK WITH
THE ENGINE RUNNING?
REASON FOR QUESTlON
lf the oil pressure gauge works,
then the power to the gauge is
OK.
POSSIBLE PROBLEMS
FUEL GAUGE
OIL PRESSURE GAUGE
TEMPERATURE
GAUGE
WIRING
SENDING UNITS
TEST OPTIONS
KNOWN INFO
REASON FOR QUESTlON
If the temperature gauge works,
the power to the gauge is OK
DOES THE ENGINE
TEMPERATURE GAUGE WORK
WITH THE ENGINE WARM?
OIL PRESSURE
GAUGE OK
POSSIBLE PROBLEMS
TEMPERATURE
GAUGE
WIRING
SENDING UNITS
2-310
