You may think that it's been disabled...but it WILL cause problems:
ELECTRONIC THROTTLE CONTROL
5.7L engines are equipped with a NGC control
module, which controls the Throttle Plate Position,
based on torque management (request). This system
has a throttle cable that is attached to two
Accelerator Position Sensors instead of the throttle
body. The throttle plate will not move with the
ignition on while pressing the Accelerator Pedal.
The only way to move the throttle plate with the
ignition on is by using the DRBIIIt. The ETC Motor
Assembly contains two Throttle Position Sensors,
two springs, and the ETC Motor, which are replaced
as a complete assembly. The TP Sensors inform the
PCM of the position of the throttle plate. The ETC
Motor has a positive and negative circuit. The PCM
controls these circuits using Pulse Width Modulation.
To open the throttle plate the PCM provides
pulse width voltage to the positive side of the ETC
motor and grounds the negative side. To close the
throttle plate the PCM provides pulse width voltage
to the negative side of the ETC motor and grounds
the positive side. One of the springs is used against
opening the throttle plate and the other is used
against closing the throttle plate. The PCM uses the
APP Sensor inputs along with inputs from the other
Sensors to determine throttle opening. Duplicate
sensors are used to check one sensor against its
counterpart. Two TP Sensor, two, APP Sensors, two
Brake Switch inputs, and two Speed Control inputs
are used with the NGC system. When duplicate
Sensors are not used, the single Sensor is checked
against a value that is calculated by the PCM.
When a sensor fails, the PCM limits the engine
RPM and the opening of the Throttle blade. The
customer may complain limited power and throttle
control after the MIL and or ETC light illuminate.
The ETC Light will constantly illuminate or flash
depending on which component has failed. The ETC
Motor Assembly will be referred to as Throttle Body
Assembly in the Diagnostic and Service Manual. A
slight delay in cranking may be noticed when starting
the engine. When starting the vehicle the ETC
Motor is tested before the engine is allowed to
crank. The test includes opening and closing the
throttle plate to verify proper operation before
starting the engine for safety reasons. A No Crank
Condition may occur if the Ignition in left in the on
position for a period of time before actually cranking
the engine. The PCM will test the throttle plate
as often as it wants and will not allow cranking
during this procedure. If this occurs, the mileage at
which this happened will be stored in the PCM and
can be looked at using the DRBIIIt under ETC
Starter Inhibit.
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Jim Miller
WB5OXQ
Sent: Saturday, October 11, 2003 12:08 PM
To: dakota-truck@dakota-truck.net
Subject: DML: Defeating the Hemi Torque Management System
I just saw this on the Dirt list. Take a look and tell what you think!
http://dodgetrucks.org/forums/viewtopic.php?t=35358&start=0&postdays=0&p
ostorder=asc&highlight=
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