TM 10-3930-675-24-1
TROUBLESHOOTING INTRODUCTION - CONTINUED
0004 00
DIAG STEERING - CONTINUED
DIAG STEERING
2(16)
Displays active error codes for the steering system;
ECU 792.
ERROR CODE
255
255 is the NORMAL indication that NO error codes
FROM 792, STEERING
are present.
Error codes will be displayed in an off-set of 300.
Example: 14 = 314 or 40 = 340.
DIAG STEERING
3(16)
Steering program changes and status.
The number next to Req. Program will change to reflect
REQ. PROGRAM
0
the actual steering mode engaged.
0 : 2WD
1 : 4 WD
2 : CRAB
3 : EMERGENC
DIAG STEERING
4(16)
Emergency steering mode status.
Steering program change will indicate an active change
EME. OPERATION MODE
0
from one steering mode to another.
STEER. PROG CHANGE
0
Neutral gear status is a signal sent from ECU 792 to
NEUTRAL GEAR STAT.
0
ECU 793 (transmission) to enable the transmission.
Any steering fault will terminate the signal and the
transmission will disengage.
Normal = 1, Steering fault = 0
DIAG STEERING
5(16)
Signal from the steering pressure switch to ECU 792.
Both values in the screen change at the same time.
PRESSURE SW. STAT
0
Normal = 1, Fault = 0
SUPPLY PRESSURE
0
Axle 1 = Right Front, Axle 2 = Right Rear
Axle 3 = Left Rear, Axle 4 = Left Front
DIAG STEERING
6(16)
Any electrical fault of wheel sensor, steering solenoid,
ERROR STATUS
or ECU 792 power supply.
AXLE 1 : 0
AXLE 2 : 0
0 = pressure, <1,450 psi = (100 bar)
AXLE 3 : 0
AXLE 4 : 0
1 = pressure, <1,450 psi = (100 bar)
0004 00-15
