Chrysler RAM TRUCK 2500 1994 Service Manual page 452

VEHICLE SPEED CONTROL SYSTEM 8H - 3
DIAGNOSIS CHART 2
U N I T D I S E N G A G E S
ON ROUGH R O A D S
I
IMPROPER
ADJUSTMENT O F STOP
LAMP A N D SPEED
C O N T R O L S W I T C H *
I
FAULTY
ELECTRICAL
CIRCUIT
1
E N G I N E D O E S
NOT RETURN TO
NORMAL IDLE
i
SPEED C O N T R O L
THROTTLE CABLE
K I N K E D O R D A M A G E D
S T A N D A R D THROTTLE
L I N K A G E FAULTS
N O R E S U M E W H E N
BUTTON IS P R E S S E D
I
DRIVE VEHICLE OVER
R O U G H R O A D S
1
TAP BRAKE PEDAL
LIGHTLY, SPEED
C O N T R O L S H O U L D
D I S E N G A G E
i
SPEED C O N T R O L
DIESENGAGES
PUSH RESUME/ACCEL
SWITCH VEHICLE
S H O U L D RESUME
PREVIOUSLY
M E M O R I Z E D SPEED
I
VEHICLE RESUMES
SPEED
I
DEPRESS BRAKE
PEDAL, SPEED
C O N T R O L
S H O U L D D I S E N G A G E
SPEED C O N T R O L
DISENGAGES
DEFECTIVE SWITCH
I
FAULTY ELECTRICAL
CIRCUIT*
N O SYSTEM
DISENGAGEMENT
W H E N BRAKE PEDAL
IS DEPRESSED
I
DEFECTIVE O R
IMPROPERLY ADJUSTED
STOP LAMP A N D
SPEED C O N T R O L
SWITCH
I
SPEED C O N T R O L
THROTTLE CABLE
K I N K E D O R D A M A G E D
i
FAULTY ELECTRICAL
CIRCUIT*
I
DEFECTIVE SERVO
N O SYSTEM
D I S E N G A G E
W H E N BRAKE PEDAL IS
DEPRESSED
T
1
RESUME S P E E D
IS P O S S I B L E
B E L O W 20 M . P . H .
T
DEFECTIVE BRAKE
SWITCH
DEFECTIVE VEHICLE
SPEED SENSOR
S P E E D C O N T R O L
SYSTEM O K
FAULTY ELECTRICAL
CIRCUIT*
DEFECTIVE
E N G I N E CONTROLLER
DEFECTIVE POWERTRAIN
CONTROL MODULE
J948H-21