Power Train Data Link -807640276

TM 9-2320-312-24-2

Troubleshooting Section

Theft Deterrent

3. Connect ET to the cab data link connector. Use

the Cylinder Cutout Test. Access the Cylinder

Cutout Test by selecting the "Diagnostic Menu"

Ensure that the theft deterrent (if equipped) is not

and the "Diagnostics Test Menu". Run the

active. Turn the ignition switch to the ON position.

Cylinder Cutout Test in order to disable each

Observe the display screen on the CAT ID. If the

cylinder. Disabling each cylinder allows the

display screen on the CAT ID indicates that the theft

technician to isolate the misfiring cylinders.

deterrent is enabled, the Theft Deterrent Passwords

must be entered before the engine will start.

If the misfiring cylinder can be isolated to

a specific cylinder, refer to Troubleshooting,

Injection Actuation Pressure

"Injector Solenoid Circuit - Test".

System

4. Perform a Performance Analysis Report (PAR).

Note: Check the actual injection actuation pressure

against the desired injection actuation pressure.

Power Train Data Link

1. Crank the engine and monitor the Injection

1. Check the "Powertrain Data Link". Ensure that

actuation pressure and the injection actuation

the SAE J1939 data link is not limiting the power.

pressure control valve. The high pressure oil

system is operating properly if the pressure

2. Connect ET to the cab data link connector.

output is a minimum of 6 MPa (870 psi).

3. Monitor the "Powertrain Data Link" status screen

2. Connect ET and check for event code 164-11

while the vehicle is experiencing problems.

injection actuation pressure system fault. If an

164-11 event code has been logged recently,

If the "Powertrain Data Link" status screen

refer to Troubleshooting, "Injection Actuation

indicates that the data link is limiting the power or

Pressure System - Test".

the rpm, verify that this is not normal operation. If

this is not normal operation, refer to the vehicle

3. If higher than actual pressure is being indicated,

OEM for repairs.

then disconnect the injection actuation pressure

sensor and try to start the engine. If the engine

ECM or Personality Module

starts, refer to Troubleshooting, "Injection

Actuation Pressure Sensor - Test".

Check the ECM or the Personality Module.

Combustion Problem

Refer to Troubleshooting, "ECM Memory - Test".

Check for combustion problems.

Torque Limit Switch

Examples of combustion problems are shown in the

1. Connect ET to the cab data link connector.

following list:

Outside temperatures are too cold.

2. Check the setting for the Customer Parameter

for the "Torque Limit". If the "Torque Limit" is

Mechanical problem

programmed below 2712 Nm (2000 lb ft), check

the status screen for the torque limit switch.

Ensure that the status screen indicates that the

torque limit switch is off. If the status of the

torque limit switch is on and a "Torque Limit" is

programmed, the system is operating correctly. If

the switch that is connected to this signal input

is not switching on and switching off, refer to

Troubleshooting, "PTO Switch Circuit - Test".