DODGE RAM 1999 Service Repair Manual


AN TI- T H EFT S YSTE M

1999 D odge P ic ku p R 1500
1999 ACCESSORIES & EQUIPMENT
CHRY - Anti-Theft Systems
Ram Pickup, Ram Van & Ram Wagon
DESCRIPTION
The Vehicle Theft Security System (VTSS) provides an engine
no-run feature, flashes headlights and sounds horn if any door or hood
is opened without using key or remote keyless entry transmitter, or if
battery cables are disconnected then reconnected when system is
activated.
Anti-theft system is controlled by Central Timer Module
(CTM). CTM is located under driver's side of dash panel, right of
steering column. If CTM is faulty, CTM cannot be repaired and must be
replaced.
VTSS is also equipped with a power-up mode. If battery is
disconnected or looses power while VTSS is armed, VTSS system remains
armed when power is restored. A temper alert signal is sounded on
vehicle entry if VTSS was triggered while away from vehicle. Horn will
sound 3 times alerting owner VTSS was triggered.
OPERATION
ARMING PROCEDURE (PASSIVE)
Remove key from ignition. Ensure headlights are off. Lock
doors while open, using power lock switch. Power lock switch will not
operate with key in ignition or headlights on while door is open.
Vehicle Theft Security System (VTSS) will not arm using key in lock
cylinder or mechanical lock button. While system is arming, SECURITY
light will flash rapidly for 15 seconds. Opening any door or turning
the ignition key while light is flashing will abort arming process.
Once arming process is complete, SECURITY light will go out.
ARMING PROCEDURE (ACTIVE)
Pressing Remote Keyless Entry (RKE) transmitter LOCK button
will actively arm Vehicle Theft Security System (VTSS). All doors must\
be closed and ignition switch in OFF position. While system is arming,
SECURITY light will flash rapidly for 15 seconds. Opening any door or
turning the ignition key while light is flashing will abort arming
process. Once arming process is complete, SECURITY light will go out.
DISARMING
Vehicle Theft Security System (VTSS) can be disarmed 2 ways:
unlock vehicle using key in any door and pressing remote keyless entry
transmitter UNLOCK button. If alarm has been set off, either method
can be used to disarm and shut-off horn.
CENTRAL TIMER MODULE (CTM)
Central Timer Module (CTM) is Vehicle Theft Security System
(VTSS) processor. CTM uses the data bus network to allow sharing and
reporting of sensor information. If a door ajar sensor is opened while
VTSS is set, a signal is sent to flash headlights and sound horn. PCM
is also notified through bus network to enable engine no-run feature.

CTM has remote keyless entry receiver and control logic incorporated.
COMPONENT TESTS
RELAYS
NOTE: Headlight relay may also be referred to as the security
relay. On Ram Pickup, the headlight relay is located in Power
Distribution Center (PDC) in engine compartment. On Ram Van
and Ram Wagon, the headlight relay is taped to headlight
switch harness. On Ram Pickup, the horn relay is located in
Power Distribution Center (PDC) in engine compartment. On Ram\
Van and Ram Wagon, the horn relay is located in junction
block under left side of instrument panel. For circuit
testing, see WIRING DIAGRAMS.
Headlight Relay & Horn Relay
Remove relay to be tested. Measure resistance between
appropriate relay terminals with relay de-energized and energized. See
RELAY TEST SPECIFICATIONS table. See Fig. 1. If continuity or
resistance is not as specified, replace relay.
RELAY TEST SPECIFICATIONS









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Terminals Condition
De-Energized
87A & 30 .............................................. Continuity
87 & 30 ............................................ No Continuity
85 & 86 .................................... 70-80 Ohms Resistance
Energized ( 1)
87 & 30 ............................................... Continuity
87A & 30 ........................................... No Continuity
( 1) - Apply position battery voltage to terminal No. 85 and ground
terminal No. 86.









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Fig. 1: Identifying Relay Connector Terminals
Courtesy of Chrysler Corp.
SYSTEM TESTS

For Vehicle Theft Security System (VTSS) testing procedures,
see appropriate BODY CONTROL COMPUTER TESTS article.
REMOVAL & INSTALLATION
CENTRAL TIMER MODULE (CTM)
NOTE: Before removing Central Timer Module (CTM), use scan tool to
view settings for programmable features. Use these settings
to program replacement CTM.
Removal & Installation (Ram Pickup)
1) Disconnect negative battery cable. Remove left underdash
cover and knee bolster reinforcement. Remove 2 CTM retaining screws at
right side of underdash opening. See Fig. 2.
2) Slide CTM down into opening far enough to gain access to
connectors. Disconnect harness connectors and remove CTM from
underdash. To install, reverse removal procedure. Reprogram new CTM.
See appropriate BODY CONTROL COMPUTER TESTS article.
Removal & Installation (Ram Van & Ram Wagon)
1) Disconnect negative battery cable. Remove left underdash
cover and knee bolster reinforcement. Remove 3 CTM retaining screws
from left center instrument panel support. See Fig. 3.
2) Slide CTM away from mounting enough to gain access to
connectors. Disconnect harness connectors and remove CTM from
underdash. To install, reverse removal procedure. Reprogram new CTM.
See appropriate BODY CONTROL COMPUTER TESTS article.
Fig. 2: Identifying CTM Location (Ram Pickup)
Courtesy of Chrysler Corp.

Fig. 3: Identifying CTM Location (Ram Van & Ram Wagon)
Courtesy of Chrysler Corp.
DOOR JAMB SWITCH
NOTE: Door jamb switch may also be referred to as door ajar switch.
On Ram Van and Ram Wagon, front door jamb switches are part
of latch assembly and are not serviced separately.
Removal & Installation
Disconnect negative battery cable. On Ram Van and Ram Wagon,
unscrew door ajar switch from pillar. On Ram Pickup, using pliers,
pull back and forth to slide switch from pillar. On all models, pull
door jamb switch away from pillar enough to disconnect 2 harness
connectors. To install, reverse removal procedure.
DOOR LOCK CYLINDER SWITCH
Removal & Installation (Ram Pickup)
Disconnect negative battery cable. Remove inside door panel.
Remove door outside latch handle mounting hardware and linkage. Pull
door outside handle away from door far enough to remove door lock
cylinder switch from back of door lock cylinder. See Fig. 4. Remove

door lock cylinder switch pigtail retainers and remove door lock
cylinder switch. To install, reverse removal procedure.
Removal & Installation (Ram Van & Ram Wagon)
Disconnect negative battery cable. Remove inside door panel.
Disconnect door lock cylinder harness connector. Disengage door lock
cylinder switch from back of door lock cylinder. Remove door lock
cylinder switch pigtail retainers and remove door lock cylinder
switch. To install, reverse removal procedure.
Fig. 4: Identifying Door Lock Cylinder Switch (Ram Pickup)
Courtesy of Chrysler Corp.
WIRING DIAGRAMS

Fig. 5: Anti-Theft System Wiring Diagram (Ram Pickup)

Fig. 6: Anti-Theft System Wiring Diagram (Ram Van & Ram Wagon)


AU TO T R AN S D IA G NO SIS - 4 2R E, 4 4R E, 4 6R E & 4 7R E

1999 D odge P ic ku p R 1500
1999 AUTOMATIC TRANSMISSIONS
Chrysler 42RE, 44RE, 46RE & 47RE Electronic Controls
MODEL IDENTIFICATION
Vehicle body codes are used throughout self-diagnostic tests.
See BODY CODE DESIGNATION table for model identification.
BODY CODE DESIGNATION









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Model Body Code
Dodge
Dakota ........................................................ AN
Durango ....................................................... DN
Pickup ........................................................ BR
Ram Van/Wagon ................................................. AB
Jeep Grand Cherokee ............................................. WJ









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APPLICATION
TRANSMISSION APPLICATIONS








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Application Transmission Model
Cab & Chassis
5.9L (Gasoline) ............................................. 46RE\
5.9L (Diesel) & 8.0L ........................................ 47RE\
Dakota & Durango
3.9L ........................................................ 42RE
5.2L ........................................................ 44RE
5.9L ........................................................ 46RE
Grand Cherokee
4.0L ........................................................ 42RE
Ram Pickup
3.9L ........................................................ 42RE
5.2L (RWD) .................................................. 42RE\
5.2L (4WD) .................................................. 46RE\
5.9L (Gasoline) ............................................. 46RE\
5.9L (Diesel) & 8.0L ........................................ 47RE\
Ram Van
5.2L (B3500) ................................................ 46RE\
5.9L ........................................................ 46RE
Ram Wagon (5.2L & 5.9L) ....................................... 46RE\









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INTRODUCTION
The first step in diagnosing any driveability problem is
verifying the customer's complaint with a test drive under the
conditions the problem reportedly occurred. Before entering self-
diagnostics, perform a careful and complete visual inspection. Most
transmission control problems result from mechanical breakdowns or
poor electrical connections.
DESCRIPTION

Governor pressure is monitored electronically and is used to
control transmission shifting. Electronic control system consists of
Powertrain Control Module (PCM), governor pressure solenoid, governor
pressure sensor, transmission fluid temperature sensor, OD (Overdrive)\
OFF switch, Throttle Position (TP) sensor and output shaft speed
sensor.
NOTE: Governor pressure sensor may also be referred to as governor
pressure transducer. Transmission fluid temperature sensor
may also be referred to as transmission fluid temperature
thermistor. Output shaft speed sensor may also be referred to
as transmission shaft speed sensor or shaft speed sensor.
Transmission shifting is controlled by throttle pressure and
governor pressure. Governor pressure is generated by electronic
components through control of line pressure. Transmission will not
upshift into 4th gear under the following conditions:
* 3rd gear upshift is not complete.
* OD OFF switch is in OFF position.
* Throttle is at 3/4 to WOT position.
* Vehicle speed is too low for 3-4 upshift.
* Transmission fluid temperature is less than 50
F (10C) or
greater than 250F (121C).
* Battery temperature is less than 5F (-15C).
OPERATION
POWERTRAIN CONTROL MODULE (PCM)
The PCM controls Torque Converter Clutch (TCC) operation,
overdrive clutch operation and the governor pressure solenoid. The PCM
determines shift points and TCC operation based on input signals
received from transmission fluid temperature sensor, output shaft
speed sensor, Crankshaft Position (CKP) sensor, Vehicle Speed Sensor
(VSS), Throttle Position (TP) sensor and battery temperature sensor.\
There are 4 governor pressure curves programmed into the PCM.
Governor pressure curves allow the PCM to adjust governor pressure for
varying conditions. One governor pressure curve is used for operation
when transmission fluid temperature is at or less than 30
F (1C). The
second governor pressure curve is used for operation when transmission
fluid temperature is at or greater than 30
F (1C) during normal city
operation or highway driving. The third governor pressure curve is
used for operation during wide open throttle (WOT). The fourth
governor pressure curve is used for operation when transfer case is in
low range.
The PCM controls TCC operation by operating the lock-up
solenoid located on the valve body. Lock-up solenoid may be referred
to as TCC solenoid. If OD switch is in the ON position, the TCC will
lock-up once transmission is in 4th gear with vehicle speed greater
than 45 MPH. If OD switch is in the OFF position, the TCC will lock-up
once transmission is in 3rd gear with vehicle speed greater than 35
MPH at light throttle application. When OD switch is in the OFF
position, the OD light on instrument panel will be illuminated.
The PCM prevents TCC operation and overdrive operation when
transmission fluid temperature is less than 50
F (10C). If
transmission fluid temperature exceeds 260F (126C), the PCM will
cause a 4-3 downshift and engage the TCC. The OD light will be
illuminated when the downshift occurs. Transmission will not upshift
until transmission fluid temperature decreases to approximately 230
F
(110F).

The PCM contains a self-diagnostic system used for
determining an electronic component failure. The PCM self-diagnostic
system will store a Diagnostic Trouble Code (DTC) in PCM memory if
certain electronic problems are present.
DTCs can be retrieved using appropriate scan tool. See SELF-
DIAGNOSTIC SYSTEM. After repairing an electronic system problem,
stored DTC must be cleared from PCM memory. For PCM location, see PCM
LOCATION table.
AB Body
On firewall, near wiper motor.
AN & DN Bodies
Right front fender, near air cleaner.
BR Body
Right front fender, near firewall.
WJ Body
On firewall, near speed control servo.
GOVERNOR PRESSURE SENSOR
NOTE: Governor pressure sensor may also be referred to as governor
pressure transducer.
Governor pressure sensor delivers an output signal to the PCM
indicating the output pressure of governor pressure solenoid. The PCM
uses this signal to control governor pressure. Governor pressure
solenoid is located on valve body. See Fig. 1.
GOVERNOR PRESSURE SOLENOID
Governor pressure solenoid generates governor pressure
required for transmission upshifts and downshifts. Governor pressure
solenoid is located on valve body. See Fig. 1. Inlet side of governor
pressure solenoid is exposed to normal transmission line pressure and
outlet side provides a passage to governor circuit in the valve body.
Governor pressure solenoid regulates transmission line pressure to the
governor circuit. Electrical supply voltage is supplied to governor
pressure solenoid by PCM. The PCM controls the ground circuit to
governor pressure solenoid to provide solenoid operation.
Fig. 1: Identifying Governor Pressure Solenoid, Governor Pressure
Sensor & Transmission Fluid Temperature Sensor
Courtesy of DaimlerChrysler Corp.
OD (OVERDRIVE) OFF SWITCH