Dodge RAM TRUCK 1500 1995 Service Manual page 458

SH - 4 VEHICLE SPEED CONTROL SYSTEM —
B R
W A R N I N G : T H E U S E
OP TOE
S P B D
CONTROL
is wet
R M O M M E N M D W H E N
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CONDmONS TO NOT
M R M I T
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SNOW COWBBO 0 1 S L I P P E R Y .
I T I R !
E N G I N E
ACCELERATE VEHICLE
TO DESIRED SPEED
SPKD CONTROL
ENGAGES WHEN
ENGINE IS STAOTED
PUSH ON BUTTON
TO "ON" POSITION.
FAULTY
ELECTRICAL CIRCUIT*
SPEED CONTROL ENGAGES
WITHOUT PUSHING THE
"SET/COAST" BUTTON
±
PUSH AND RELEASE
"SET/COAST" BUTTON
DEFECTIVE SERVO
FAULTY ELECTRICAL CIRCUIT*
:::::.i::z::z
DEFECTIVE SERVO
REMOVE FOOT FROM
ACCELERATOR. SPEED
SHOULD BE CONTROLLED
i
T
l
NO SPEED CONTROL WHEN i
HUNTING SURGI OR
excessiWiSAG
SPem SETTING AFTER
SET/COAST BUTTON IS
PRESSED AND RELEASED
S P E E ®
VARIATIONS
AT LOWSPBDS
O N MfUSOR
IN TRANJER TOWING
LOCK-IN, TOO HIGH
OR TOO IOW
f
-
f
•
FUSE BLOWN
TORQUE CONVERTER
CLUTCH
ROUGHNESS
ENGINE
PERFmMANCE
VACUUM LEAK
f
f f
NO VACUUM AT
SERVO
AMPLIFICATION
OF ENGINE
SURGE
VACUUM
LEAK
DEFECTIVE SERVO
f
t
SPEED CONTROL
EXCESSIVE LOAD MAY
DEFECTIVE
CABLE
. _. „
THROTTLE CABLE
DISCONNECTED
DEFECTIVE SEftVO REQUIRE MANUAL
ASSISTANCE ON HILLS
DEFECTIVE
CABLE
. _. „
V >
IMPROPER STOP LAMP
SWITCH ADJUSTMENT
DEFECTIVE
CABLE
DEFECTIVE VACUUM
RESERVOIR
(CHECK VALVE)
DEFECTIVE
VACUUM RESERVOIR
f
FAULTY ELECTRICAL
CIRCUIT*
DEFECTIVE
POWERTRAIN
CONTROL MODULE
FAULTY ELECTRICAL
CIRCUIT*
DEFECTIVE
POWERTRAIN
CONTROL MODULE
DEFECTIVE SERVO
* H S t S A N D A U U S f l ^ l l A K M t C R M D
IN A P P i O P t f A f I SECTION OP MRVICE
M A N U A L
DEFECTIVE VACUUM
RESERVOIR
J938H-8
DIAGNOSIS CHART 1 - GAS ENGINE