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 332 of 1205
TM 9-2320-387-24-l
STARTER CIRCUIT
DIAGNOSTIC FLOWCHART
TEST OPTIONS
-
KNOWN INFO
NO SOLENOID
CONTROL VOLTAGE
1. STEXE-R
TEST 89
(Page 2-508)
2. MULTIMETER
DISCONNECT WIRE 14A AT THE
NEUTRAL SAFETY SWITCH.
TURN ROTARY SWITCH TO
START. IS THERE BAlTERY
VOLTAGE AT WIRE 14A (THE
NEUTRAL SAFETY SWITCH END)?
POSSIBLE
PROBLEMS
REASON FOR QUESTION
Current flows to neutral
safety switch before reaching
solenoid.
PCB
WIRING
ROTARY SWITCH
NEUTRAL SAFETY
SWITCH
n3
I
I TE
KNOWN INFO
I
1. STE/ICE-R TEST 91
(Page 2-508)
2. MULTIMETER
DISCONNECT WIRE 148 AT
NEUTRAL SAFETY SWITCH.
IS THERE CONTINUI-lY
ACROSS
NEUTRAL SAFETY SWITCH
(WIRE 14 TO WIRE 14)?
VOLTAGE AVAIlABLE
ROTARY SWITCH OK
POSSIBLE
PROBLEMS
REASON
FOR QUESTlON
If there is no continuity,
then
current will not flow through
switch.
NEUTRAL
SAFETY
SWITCH
PCB
WIRING
,
G3
1
TEST OPTlONS
DISCONNECT
BODY CONNECTOR
1. STE/lCE-R
TEST 91
FROM PROTECTIVE CONTROL BOX.
(Page 2-508)
IS THERE CONTINUITY
FROM WIRE
14B AT NEUTRAL SAFETY SWITCH
TO BODY CONNECTOR
HARNESS
SOCKET A?
OR REPLACE
KNOWN INFO
NEUTRAL SAFETY
SWITCH OK
2. MULTIMETER
REASON
FOR QUESTION
An open wire here could have
prevented
current flow
between PCB and neutral switch.
POSSIBLE
PROBLEMS
PC6
WIRING
2-276
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