Dodge ram truck 3500 1996 Service Manual page 464

8H - 6 VEHICLE SPEED CONTROL SYSTEM
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DIAGNOSIS AND TESTING (Continued)
U N I T D I S E N G A G E S
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IMPROPER
ADJUSTMENT OF
STOP LAMP SWITCH*
FAULTY
ELECTRICAL
CIRCUIT
N o m E f U R N i o
NORMAL
t o i l
SPEED CONTROL
THROTTLE CABLE
KINKED OR DAMAGED
STANDARD THROTTLE
LINKAGE FAULTS
WO USUI
I E W H E N
B U T T O N m >K33S8aS> j
DRIVE VEHICLE OVER
ROUGH ROAD
TAP BRAKE PEDAL
LIGHTLY, SPEED
CONTROL SHOULD
DISENGAGE
SPEED CONTROL
DISENGAGES
PUSH RESUME/ACCEL
SWITCH VEHICLE
SHOULD RESUME
PREVIOUSLY
MEMORIZED SPEED
VEHICLE RESUMES
SPEED
DEPRESS BRAKE
PEDAL, SPEED
CONTROL
SHOULD DISENGAGE
DEFECTIVE OR
IMPROPERLY ADJUSTED
STOP LAMP SWITCH
SPEED CONTROL
THROTTLE CABLE
KINKED OR DAMAGED
FAULTY ELECTRICAL
CIRCUIT*
DEFECTIVE SERVO
SPEED CONTROL
DISENGAGES
DEFECTIVE SWITCH
N O SYSTEM
DISENGAGE
WHEN BRAKE PEDAL IS
DEPRESSED
FAULTY ELECTRICAL
CIRCUIT*
DEFECTIVE
POWERTRAIN
CONTROL MODULE
FAULTY ELECTRICAL
CIRCUIT*
m
B E L O W 2
E S P E E I
r
DEFECTIVE VEHICLE
SPEED SENSOR
f
DEFECTIVE
POWERTRAIN
CONTROL MODULE
f
STICKY BRAKE SWITCH J948H-27
DIAGNOSIS CHART 2—DIESEL ENGINE