374
Model Code Page
34. Autocontrol ---III
15. 6. 1992
6600E, 8100E
342 4
B. Fault tracing, quick---shift gear control
Input signals to ECS for controlling quick---shift gear power shift (DIGITAL INPUTS).
PS algorithm (A2C/17)
0/0 0/0 1/0 1/0 0/0 0/0
PS A/M (A2C/36) 0/0 0/0 1/0 1/0 1/0 1/0
PS MANUAL 1/0 (A2C/37) 1/0 0/0 0/0 0/0 0/0 0/0
PS algorithm---switch (M/A
1
/A
2
) M M A1 A1 A2 A2
PS MANUAL 1/0 (T=TORTOISE, H=HARE) T H T H T H
CLUTCH PEDAL (U=UP, D=DOWN) U/D U/D U/D U/D U/D U/D
MAIN CLUTCH (A2C/18) 1 0
CLUTCH PEDAL (U=UP, D=DOWN) U D
--- If the marks above the thick lines agree with the corresponding marks on the computer display, the input signals are OK.
--- If the marks on the computer do not agree with the marks above the thick lines with given switch and pedal positions, the fault
lies in the switch in question or its wiring is faulty.
--- Input signals from the radar and gearbox speed sensor are checked with the calibrating test, see page 341/1 or according to
the instruction F on page 342/7. The engine speed sensor, see page 341/1 and the injection pump potentiometer, see pages
341/2 or 342/8.
Output signals from ECS for controlling quick---shift gear (DIGITAL OUTPUTS).
PS SOLENOID AND LAMP (A1C/36)
1/0 0/0
PS algorithm---switch (M/A
1
/A
2
) M M
PS MANUAL 1/0 (T=TORTOISE, H=HARE) T H
CLUTCH PEDAL (U=UP , D=DOWN) U/D U/D
--- If the marks above the thick line agree with the corresponding marks on the computer display, the possible fault lies in the
solenoid valve, indicating light or their wirings are faulty.
--- If the output signals on the PC display differ from the marks in the table above, the central processing unit (ECS) is faulty and
should be changed.
C. Fault tracing, differential lock control
Input signals to ECS for controlling differential lock (DIGITAL INPUTS).
DL A/M (A2C/8)
0 0 1 1
DL MANUAL 1/0 (A2C/33) 0 1 0 0
A / M --- S W I T C H M M A A
O N / O F F --- S W I T C H OFF ON OFF ON
BRAKE LEFT (A2C/9) 0 1 0
BRAKE RIGHT (A2C/19) 0 0 1
LH SIDE BRAKE PEDAL OFF ON OFF
RH SIDE BRAKE PEDAL OFF OFF ON
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