Dodge RAM TRUCK 1500 1995 Service Manual page 459

VEHICLE SPEED CONTROL SYSTEM 8H -
DIAGNOSIS CHART 2 - GAS ENGINE
UNIT DISENGAGES
O N ROUGH ROADS
I
IMPROPER
ADJUSTMENT OF STOP
LAMP AND SPEED
CONTROL SWITCH *
I
FAULTY
ELECTRICAL
CIRCUIT
I
ENGINE DOES
N O T RETURN TO
NORMAL IDLE
i
SPEED CONTROL
THROTTLE CABLE
KINKED OR DAMAGED
i
STANDARD THROTTLE
LINKAGE FAULTS
DRIVE VEHICLE OVER
ROUGH ROADS
TAP BRAKE PEDAL
LIGHTLY, SPEED
CONTROL SHOULD
DISENGAGE
1
SPEED CONTROL
DIESENGAGES
PUSH RESUME/ACCEL
SWITCH VEHICLE
SHOULD RESUME
PREVIOUSLY
MEMORIZED SPEED
I
VEHICLE RESUMES
SPEED
I
DEPRESS BRAKE
PEDAL, SPEED
CONTROL
SHOULD DISENGAGE
SPEED CONTROL
DISENGAGES
N O RESUME W H E N
BUTTON IS PRESSED
I
DEFECTIVE SWITCH
I
N O SYSTEM
DISENGAGEMENT
W H E N itASCE
P E D A L
IS DEPRESSED
I
DEFECTIVE OR
IMPROPERLY ADJUSTED
STOP LAMP AND
SPEED CONTROL
SWITCH
I
SPEED CONTROL
THROTTLE CABLE
KINKED OR DAMAGED
I
FAULTY ELECTRICAL
CIRCUIT*
I
DEFECTIVE SERVO
NO SYSTEM
DISENGAGE
WHEN BRAKE PEDAL IS
DEPRESSED
T
1
RESUME SPEED
IS POSSIBLE
BELOW 20 M.P.H.
T
DEFECTIVE BRAKE
SWITCH
DEFECTIVE VEHICLE
SPEED SENSOR
FAULTY ELECTRICAL
CIRCUIT*
I
f
J L .
SPEED CONTROL
SYSTEM OK
±
FAULTY ELECTRICAL
CIRCUIT*
t
DEFECTIVE
ENGINE CONTROLLER
DEFECTIVE POWERTRAIN
CONTROL MODULE
J948H-21