Group 28
Troubleshooting
MID 144 PID 152 VECU, Number of Resets
The software in the VECU contains an internal checking function that restarts the
VECU when there is a fault in the execution of the software. PID 152 contains informa-
tion about how many such restarts that have been made.
•
Text Messages
In vehicles equipped with diagnostic display, the fol-
lowing message(s) will appear:
•
Instrument Cluster Graphics Display (VN):
No. of ECU resets
•
Data Link Instrument Cluster (WG, AC, WX):
The Data Link instrument cluster graphics display
used on WG-, AC-, and WX-series vehicles can
display a limited number of text messages. For infor-
mation, see “Data Link Instrumentation,” Volvo
Service Publication PV776–381–620SM.
•
VCADS Pro Display:
Number of ECU resets
Fault Codes
FMI 12
Faulty unit or component.
Conditions for fault code:
•
If an internal software fault occurs an fault code is
set.
Possible cause:
•
The system has been switched off by disconnecting
the battery or using a battery master switch instead
of switching it off with the ignition key.
•
The system has been restarted due to an internal
software fault.
Reaction from the VECU:
•
Fault code is set.
•
The system is restarted.
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Summary of Contents for TSI
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Page 8: ...6...
Page 30: ...Group 28 Specifications Schematic D12B W2002827 28...
Page 31: ...Group 28 Specifications Schematic D12C W2003348 29...
Page 32: ...Group 28 Specifications Schematic D7C W2002826 30...
Page 33: ...Group 28 Specifications Schematic VECU W3003497 31...
Page 34: ...32...
Page 86: ...84...
Page 96: ...Group 28 Troubleshooting 94...
Page 110: ...Group 28 Troubleshooting Fuel Pressure Sensor Pres sure Voltage Chart W2002799 108...
Page 114: ...Group 28 Troubleshooting Oil Pressure Sensor Pres sure Voltage Chart W2002732 112...
Page 118: ...Group 28 Troubleshooting Boost Pressure Sensor Pres sure Voltage Chart W2002730 116...
Page 129: ...Group 28 Troubleshooting Coolant Temperature Sensor Tem perature Resistance Chart W2002729 127...
Page 140: ...Group 28 Troubleshooting Fuel Temperature Sensor Tempera ture Resistance Chart W2002742 138...
Page 144: ...Group 28 Troubleshooting Oil Temperature Sensor Tempera ture Resistance Chart W2002727 142...
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Page 249: ...Operation Numbers 2841 03 02 01 Engine ECU Replacement 243...