RAM 3500 Truck 4WD L6-5.9L DSL Turbo VIN C (2002)
include oil pressure monitoring. Therefore, oil pressure diagnostics would dictate that a mechanical oil pressure gauge be attached to the engine for
absolute verification of oil pressure readings.
Hard Wired Indicators
The cluster contains several hard wired indicators described earlier. These indicators are set up in two configurations. Either the cluster supplies power
and ground is supplied by the circuit being monitored or the indicator is supplied ground by the cluster and power comes from a module or other device.
Refer to the schematic for the specific details on the indicator in question. Verification of the bulb filament may be required in cases of an inoperative
lamp. This will require removal of the cluster and the bulb in question.
NOTE: ALL RED WARNING INDICATORS EXCEPT THE WAIT TO START INDICATOR ARE LIGHT EMITTING DIODES (LED). LED'S
ARE NOT REPLACEABLE, IF DEFECTIVE THE INSTRUMENT CLUSTER MUST BE REPLACED.
CCD Controlled Indicators
The cluster contains several CCD controlled indicators as described earlier. These indicators are part of the diagnostic self-test. When entering the
self-test mode, operation of these indicators can be observed. If a bulb fails to operate during the self-test and the bulb filament is good, the cluster
assembly will need to be replaced.
NOTE: THE SEAT BELT INDICATOR FLASHES WHEN THE AIRBAG WARNING INDICATOR IS NOT OPERATING PROPERLY.
Power Door Locks
Power Door Locks
The CTM controls the door lock actuator assemblies to handle locking and unlocking with the key fob or interior switch. There is also a door lock inhibit
feature that prevents power locking of the doors if the ignition is OFF and the key is in the ignition. Automatic or rolling locks are included as a DRB III
(R) programmable feature. If the vehicle is moving approximately 15 mph and approximately 10 degrees of throttle opening is seen by the PCM, (the
PCM will send this info to the CTM via the CCD bus) indicating acceleration, the CTM will cycle the lock actuators.
Speed Sensitive Intermittent Wipers
Speed Sensitive Intermittent Wipers
The Ram truck equipped with a high line CTM will utilize speed sensitive intermittent wipers. Only a high line CTM will be able to support this feature.
A base IEM will provide for intermittent wipers without the speed sensitive feature. The low and high speeds are controlled through the wiper stalk
switch. The intermittent portion of the wiper control is handled by the CTM through the intermittent wiper relay. When the module detects a decrease in
delay time as selected by the driver, an immediate wipe of the windshield takes place and the new delay interval is implemented. This feature is present
on both the base and highline CTM.
When the vehicle is moving at speeds at or below 10 mph, the delay time ranges from 1 to 36 seconds. When the speed rises above 10 mph, the delay
time are cut in half for a range of 1/2 to 18 seconds. The speed signal is provided to the CTM from the PCM over the CCD bus.
Vehicle Theft Security System/Remote Keyless Entry
Remote Keyless Entry (RKE) / Vehicle Theft Security System (VTSS)
Only the highline and premium CTMs have provision for RKE and VTSS. The VTSS system monitors the jamb switches and ignition switch to detect
unauthorized entry. Once the system is armed, any one of these inputs can cause the system to initiate an alarm. When in alarm, the low beam headlamps
and horn will pulse for about three minutes. If the engine is started, it will immediately stall. If the triggering condition remains, the headlamps will
pulse for an additional 15 minutes, but the engine cannot be made to run until the system is disarmed. If the triggering condition is restored, the system
will reset and return to the armed state. If the system has rearmed itself, it will sound three horn chirps as a tamper alert when the system is disarmed. The
CTM will store the last four causes of a VTSS alarm. The causes can be retrieved by the DRB III (R).
The VTSS system can be disarmed by unlocking the doors with the RKE transmitter or with a door key at either door.
A VTSS indicator in the overhead console will blink rapidly during system arming, slowly when armed and remain ON to indicate a system fault.
The RKE system is programmed by the DRB III (R). The system will store up to four key fob codes Using the DRB III (R), it is possible to program one
code without deleting the others. All stored key fob codes can be erased and reprogrammed to prevent unauthorized entry with lost or stolen key fobs.
