TB-9-2320-335-13-P
TRUCK, UTILITY: EXPANDED CAPACITY, IAP/ARMOR READY
TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE AND REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) INSTRUCTIONS
MAY 2008
TB-9-2320-335-13-P - Page 56 of 680
2-34
TB 9-2320-335-13&P
ELECTRONIC SPEEDOMETER SYSTEM
DIAGNOSTIC FLOWCHART
NO
YES
NO
1
GO TO 3,
Page 2-58
TEST OPTIONS
MULTIMETER
REASON FOR QUESTION
No voltage at terminal indicates
an open in the speedometer
wiring harness.
TEST OPTIONS
MULTIMETER
REASON FOR QUESTION
No voltage displayed on
multimeter indicates an open
ground in the speedometer
wiring harness.
2
START
IS BATTERY VOLTAGE DISPLAYED ON
MULTIMETER?
IS BATTERY VOLTAGE DISPLAYED
ON MULTIMETER?
KNOWN INFO
SPEEDOMETER
INOPERATIVE
OTHER GAUGES
OPERATE NORMALLY
SPEEDOMETER
HAS POWER
POSSIBLE PROBLEMS
OPEN
SHORT
SPEEDOMETER
SENDER GENERATOR
SPEEDOMETER
DRIVEN GEAR
KNOWN INFO
SPEEDOMETER
INOPERATIVE
OTHER GAUGES
OPERATE NORMALLY
POSSIBLE PROBLEMS
OPEN
SHORT
SPEEDOMETER
SENDER GENERATOR
SPEEDOMETER
DRIVEN GEAR
REPLACE
SPEEDOMETER
WIRING HARNESS
(Para. 4-18.1)
REPLACE
SPEEDOMETER
WIRING HARNESS
(Para. 4-18.1)
YES
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