TM 5-3805-281-24-1
Sub-System Diagnostics
SOLENOID 5 AMP FUSE
Remove fuse block cover.
YES: Fuse is OK. Check
(F4) CHECK
wiring harness.
Remove fuse from fuse block.
NO: Replace Fuse. If
Using ohmmeter, check fuse for continuity.
fuse blows again, check
for short.
Is continuity measured?
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ENGINE CONTROL (EC)
YES: EC motor is OK. Go
MOTOR (M2) CHECK
to next check.
9015
15
NO: Motor has failed.
73
Replace.
T118380 UN21NOV98
Disconnect harness from EC motor.
Measure resistance between pin 1 and pin 3, and between pin 2 and pin 4.
Does ohmmeter read approximately the same resistance for both measurements?
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4-141