TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 194 of 1205
TM
9-2320-387-24-l
FUEL SYSTEM
KNOWN INFO
ENGINE CRANKS
-1
NO VOLTAGE AT ADVANCE
SOLENOID.
1
POSSIBLE
PROBLEMS
1
PCB
COLD-ADVANCE
SWlTCH
WIRING
WITH ROTARY SWITCH IN RUN
POSITION, DO YOU HAVE
BAlTERY
VOLTAGE AT WIRE 5A
AT THE ALTERNATOR
OUTPUT?
I
KNOWN INFO
I
PCB OK
ENGINE CRANKS
NO VOLTAGE AT ADVANCE
SOLENOID
DIAGNOSTIC FLOWCHART
l.----J
ALTERNATOR
1 POSSfBLEPROBLEMS
1
COLD-ADVANCE
SWITCH
WIRING
KNOWN INFO
PCB OK
ENGINE CRANKS
NO VOLTAGE AT ADVANCE
SOLENOID
POSSIBLE
PROBLEMS
COLD-ADVANCE
SWITCH
WIRING
I
1. STEIlCE-R
TEST 89 (Page 2-606)
I
2. MULTIMETER
voltage through the PCB and it
supplies power to the cold-advance
switch.
1
TEST OPTlONS
’
DISCONNECT WIRE 569 AT COLD
1. STEIICE-R
TEST 89
ADVANCE SWITCH. WITH ROTARY
(Page 2-606)
SWITCH IN RUN POSITION, DO
2. MULTMETER
YOU HAVE BAlTERY
VOLTAGE
AT WIRE 569?
c
REASON
FOR QUESTION
If you have no voltage here, the
problem may be the cold-advance
RECONNECT WIRE 569.
DISCONNECT WIRE 5698 FROM
COLD-ADVANCE SWITCH WITH
ROTARY SWITCH IN RUN
POSITION. DO YOU HAVE BATTER!
VOLTAGE AT SWITCH LEAD?
9T OPTIONS
1. STEXE-R
TEST 89
(Page 2-606)
2. MULTIMETER
(SEE NOTE AT RIGHT.)
REASON
FOR QUESTfON
If you don’t have voltage here, the
problem is the switch.
2-134
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