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

  TM-9-2320-387-24-1 - Page 196 of 1205

TM 9-2320-387-24-l
FUEL SYSTEM
KNOWN INFO
NO VOLTAGE AT FUEL
SOLENOID
POSSIBLE
PROBLEMS
PC0
ROTARY SWITCH
WIRING
L
KNOWN INFO
WIRING TO FUEL
SOLENOID
OK
POSSIBLE
PROBLEMS
PCB
ROTARY SWITCH
WIRING
KNOWN INFO
WIRING TO FUEL
SOLENOID
OK
POSSIBLE
PROBLEMS
PCB
ROTARY SWITCH
WIRING
DIAGNOSTIC FLOWCHART
-.
TEST OPTIONS
DISCONNECT ENGINE CONNECTOR
HARNESS FROM THE PCB.
,. S,-“,CE_R TEST 9,tPage 2_5o8j
2. MULTIMETER
DO YOU HAVE CONTINUITY
FROM
SOCKET A IN THE CONNECTOR
HARNESS TO WIRE 54A LOCATED
REASON
FOR QUESTION
AT THE FUEL SOLENOID?
If you have continuity here,
the problem may be the PCB.
DISCONNECT THE BODY
CONNECTOR FROM THE PCB.
1. STEIICE-R
TEST 91 (Page 2-509)
WITH THE ROTARY SWITCH IN
THE RUN POSITION, DO YOU
2. MULTIMETER
HAVE AN OPEN CIRCUIT BETWEEN
SOCKET B AND SOCKET G IN THE
REASON
FOR QUESTION
CONNECTOR HARNESS?
or the wiring.
TEST OPTIONS
DISCONNECT WIRE 29A AT THE
ROTARY SWITCH.
DO YOU HAVE CONTINUITY
BETWEEN WIRE 29A AT THE
ROTARY SWITCH AND SOCKET B
IN THE BODY CONNECTOR
HARNESS?
You need to find the open circuit
between the PC5 and rotary
switch.
I
4--
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