MAN FFR User Manual

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MAN FFR Fault Codes List PDF

MAN PDF manuals

32

the position of Division
Priority: 3
Readout in vehicle, only an indication of malfunction; specify actions for errors is not required.
Fault indication:
Central signal light STOP (H111) led is amber when a stationary car.
The reason for the failure:
Status divider (ratio of rotational speed of at the entrance to the transmission/engine speed) cannot be
determined for a set time dimension, so the condition is passed to the "DIVISOR CANNOT BE
DETERMINED".
Troubleshooting:
Test Executive elements, using current control MAN-cats ® II check the accuracy of the signal, check
the wires, connectors, induction speed sensor at the inlet of the gearbox (B368).
Milestones:
Testing actuators:
Using MAN-cats ® II test actuators "small group" and "a large group".
Conduct ongoing monitoring:
Using MAN-cats ® II check the reliability of signals at the entrance to the rotational speed gearbox
"and" Query "divider.
Nominal rotation speed values at the inlet of the gearbox (measured approx. at 550 rpm at idle):
Split Low approx. 550 RPM; Split High approx. 660 RPM.
If the signal "at the entrance to the rotational speed gearbox" wrong, measure the resistance.
Resistance measurement:
at the entrance to the rotational speed gearbox; car computer-between Pin X 3/12 (+) and Pin X 1/3 (-)
on the side of the FFR: Aprox. 1.78 com, on the side of the vehicle: appr. 1.05 c.
Voltage measurement:
at the entrance to the rotational speed gearbox; car computer-between Pin X 3/12 (+) and Pin X 1/3 (­): voltage aprox. 1 in (idle engine).
Note: see. SPN also 770 and 771.

161
rotational speed of gearbox input
Priority: 3
Readout in vehicle, only an indication of malfunction; specify actions for errors is not required.
Fault indication:
Central signal light STOP (H111) led is amber when a stationary car.
The reason for the failure:
Induction speed sensor at the inlet of the gearbox (B368) sends the wrong signal. Set the value of the
rotation frequency of the signal is not available. To determine the status of the divider is no longer
possible. It also blocks the function of Comfort-Shift.
Troubleshooting:
Using current control MAN-cats ® II check the accuracy of the signal, check the wires, connectors,
induction speed sensor at the inlet of the gearbox (B368).
Milestones:
Conduct ongoing monitoring:
Using MAN-cats ® II check the reliability of the signal at the entrance to the rotational speed gearbox ".
Nominal rotation speed values at the inlet of the gearbox (measured approx. at 550 rpm at idle):
Split Low approx. 550 RPM; Split High approx. 660 RPM.
If the signal "at the entrance to the rotational speed gearbox" wrong, measure the resistance.
Resistance measurement:
at the entrance to the rotational speed gearbox; car computer-between Pin X 3/12 (+) and Pin X 1/3 (-)
on the side of the FFR: Aprox. 1.78 com, on the side of the vehicle: appr. 1.05 c.
Voltage measurement:
at the entrance to the rotational speed gearbox; car computer-between Pin X 3/12 (+) and Pin X 1/3 (­): voltage aprox. 1 in (idle engine).

168
Battery voltage

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Condition: FMI 1
Priority: 3
Readout in vehicle, only an indication of malfunction; specify actions for errors is not required.
Fault indication:
Central signal light STOP (H111) led is amber when a stationary car.
The reason for the failure:
Too high operating voltage (> 32).
Troubleshooting:
Using current control MAN-cats ® II check the accuracy of the signal, check alternator, wires,
connectors, batteries.
Milestones:
Conduct ongoing monitoring:
Using MAN-cats ® II validate signals Terminal 30 "and" Terminal 15 "(engine running, nominal value in
24-28).
If these values are correct, measure the voltage.
Voltage measurement:
The voltage directly on the Pin of the control unit X 1/2, X 1/1 (+) and X 1/3 (-). Nominal 20-28 volt.
If the measured (on the control unit) values are nominal and, despite this, active fault, replace the car
computer (A403).

168
Battery voltage
Condition: FMI 2
Priority: 3
Readout in vehicle, only an indication of malfunction; specify actions for errors is not required.
Fault indication:
Central signal light STOP (H111) led is amber when a stationary car.
The reason for the failure:
The operating voltage is too low (< 16 in).
Troubleshooting:
Using current control MAN-cats ® II check the accuracy of the signal, check fuses Terminal 15 FFR
(F372) and Terminal 30 (F371), check the wires, connectors, lock function steering wheel (Q101),
batteries, generator.
Milestones:
Conduct ongoing monitoring:
Using MAN-cats ® II validate signals Terminal 30 "and" Terminal 15 "(specification 20-28).
If these values are correct, measure the voltage.
Voltage measurement:
The voltage directly on the Pin of the control unit X 1/2, X 1/1 (+) and X 1/3 (-). Nominal 20-28 volt.
If the measured (on the control unit) values are nominal and, despite this, active fault, replace the car
computer (A403).

572
Auxiliary device incorporating retarder
Priority: 5
Indication while driving and stop the car; the only indication of a malfunction.
Fault indication:
Central signal light STOP (H111) led is amber while driving and parking.
The reason for the failure:
Malfunction data line touch switch retarder. As a result, the switch no longer works. Active retarder is
deactivated by pressing the accelerator pedal (A410).
Troubleshooting:
Using current control MAN-cats ® II check the accuracy of the signal, check the wires, connectors,
touch switch brakes zamedl. (A437).
Milestones:
Conduct ongoing monitoring:
Using MAN-cats ® II check the reliability of the signal "Touch retarder switch" (above, below, off).
If the wrong signals, measure the resistance.
Resistance measurement:
Retarder, data link retarder switch touch; car computer-between Pin X 2/10 (+) and Pin X 1/3 (-) on
the side of the FFR: Aprox. 1.5 Mω, on the side of the vehicle: appr. 1.6 Mohm
Retarder, retarder switch touch synchronization wire; car computer-between Pin X 2/6 (+) and Pin X

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1/3 (-) on the side of the FFR: Aprox. 1.7 the IOM, on the side of the car: Aprox. 1.2 Mω
Voltage measurement:
Retarder, data link retarder switch touch; car computer-between Pin X 2/10 (+) and Pin X 1/3 (-):
jumper (test block) closed: Aprox. 14.2 v, jumper (test block) open: FFR side: Aprox. 23.5 in, on the
side of the vehicle: appr. 14 in
Retarder, retarder switch touch synchronization wire; car computer-between Pin X 2/6 (+) and Pin X
1/3 (-): jumper (test block) closed: Aprox. 12.3 in, jumper (test block) open: FFR side: Aprox. 13.5 v,
on the side of the car: Aprox. 22.5 in

601
Switch speed control system resume
Priority: 5
Indication while driving and stop the car; the only indication of a malfunction.
Fault indication:
Central signal light STOP (H111) led is amber while driving and parking.
The reason for the failure:
Malfunction switch FGR/FGB. AS-Tronic transmission goes into automatic mode. Speed regulation
system (FGR) is deactivated.
Troubleshooting:
Using current control MAN-cats ® II check the accuracy of the signal, check the wires, connectors,
switch FGR/FGB (S284).
Milestones:
Conduct ongoing monitoring:
Using MAN-cats ® II check the accuracy of the signal "switch FGR gearbox (Tempomat)."
Resistance measurement:
The switch is open, the FGR; car computer-between Pin X 2/16 (+) and Pin X 1/3 (-): FFR unplugged:
Aprox. 4.6 com
Voltage measurement:
The switch is open, the FGR; car computer-between Pin X 2/16 (+) and Pin X 1/3 (-): 0 in

697
Accelerator pedal signal PWM1
Priority: 2
Perhaps the problem, requiring removal of the Service Center! Indication of a fault.
Fault indication:
Central signal light STOP (H111) lights continuously red.
The reason for the failure:
Malfunction signal PWM1 Accelerator (A410) or is being passed the wrong signal. As a consequence, the
accelerator position signal used PWM2. In case of malfunction of the engine speed and torque. (1800
rpm; the restriction on 80%).
Troubleshooting:
Using MAN-cats ® II validate signal, check the wires, connectors, run the oscillograficheskoe
measurement using Skopemeter Fluke 123 (frequency = 200 Hz) accelerator pedal (A410)-check signal
PWM1.
Milestones:
Conduct ongoing monitoring:
Using MAN-cats ® II check the accuracy of the signal module PWM1 pedals ".
Voltage measurement:
car computer-between Pin X 2/11 (+) and Pin X 1/3 (-): jumper (test block) closed: Signal Low:
Aprox. 8 in (the accelerator pedal to failure), signal High: Aprox. 20 in, jumper (test block) open: FFR
side: Aprox. 25.4 in, on the side of the vehicle: appr. 0.5 in
If the cause of the malfunction is not set, calibrate the accelerator pedal.
Note: If the voltage drop when the power is turned off (Terminal 15) at PWM1 (A410/Pin 5) and
nutrition for PWM2 (A410/Pin 6) shared the Bole 100 MS, then the fault is saved in the registry.

698
Accelerator pedal signal PWM2
Priority: 2
Perhaps the problem, requiring removal of the Service Center! Indication of a fault.
Fault indication:
Central signal light STOP (H111) lights continuously red.
The reason for the failure:

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Malfunction signal PWM2 Accelerator (A410) or is being passed the wrong signal. As a consequence, the
accelerator position signal PWM1 is used. In case of malfunction of the engine speed and torque. (1800
rpm; the restriction on 80%).
Troubleshooting:
Using MAN-cats ® II validate signal, check the wires, connectors, run the oscillograficheskoe
measurement using Skopemeter Fluke 123 (frequency = 200 Hz) accelerator pedal (A410)-check signal
PWM2.
Milestones:
Conduct ongoing monitoring:
Using MAN-cats ® II check the accuracy of the signal module PWM2 pedals ".
Voltage measurement:
car computer-between Pin X 2/18 (+) and Pin X 1/3 (-): jumper (test block) closed: Signal Low:
Aprox. 8 in High signal: Aprox. 20 in (accelerator pedal until failure); jumper (test block) open: FFR
side: Aprox. 25.5 in, on the side of the vehicle: appr. 0 in.
If the cause of the malfunction is not set, calibrate the accelerator pedal.
Note: If the voltage drop when you turn off power 15 terminals PWM1 (A410/Pin 5) and nutrition PWM2
(A410/Pin 6) shared the Bole 100 MS, then the fault is saved in the registry.

770
Separate H
Priority: 5
Indication while driving and stop the car; the only indication of a malfunction.
Fault indication:
Central signal light STOP (H111) led is amber while driving and parking.
The reason for the failure:
Wiring solenoid valve malfunction Split-High (Y307). Write fault in fault recorder running when she
registered for 3 cycles (500 ms). Due to a fault valve divider no longer subject to management.
Troubleshooting:
Test Executive elements, using current control MAN-cats ® II check the accuracy of the signal, check
the wires, connectors, ZF 16S151 gearboxes/ZF 16S181 check solenoid valve Split-High ( Y307).
Milestones:
Testing actuators:
Using MAN-cats ® II test actuators "Split Low" and "Split High".
If the block solenoid valves (Y307) is not subject to management, measure the resistance.
Conduct ongoing monitoring:
Using MAN-cats ® II validate signal "replace Query".
Resistance measurement:
car computer-between Pin X 3/13 (+) and Pin x 4/6 (-) on the side of the FFR: Aprox. 6, on the side of
the car: Aprox. 83.3.
car computer-between Pin X 3/13 (+) and Pin X 1/3 (-) on the side of the FFR: Aprox. 4.3 com, on the
side of the car:­Voltage measurement:
car computer-between Pin X 3/13 (+) and Pin x 4/6 (-) solenoid valve activated: Aprox. 27.6
in; solenoid valve deactivated: 0 in.

771
Separate L
Priority: 5
Indication while driving and stop the car; the only indication of a malfunction.
Fault indication:
Central signal light STOP (H111) led is amber while driving and parking.
The reason for the failure:
Wiring solenoid valve malfunction Split-Low (Y307). Write fault in fault recorder running when she
registered for 3 cycles (500 ms). Due to a fault valve divider no longer subject to management.
If there is a failure of management/break wires may display fault code SPN 32.
Troubleshooting:
Test Executive elements, using current control MAN-cats ® II check the accuracy of the signal, check
the wires, connectors, ZF 16S151 gearboxes/ZF 16S181 check solenoid valve Low (Split- Y307).
Milestones:
Testing actuators:
Using MAN-cats ® II test actuators "Split Low" and "Split High".
If the block solenoid valves (Y307) is not subject to management, measure the resistance.