DANA TM4 SUMO MD MV, Troubleshooting Manual

Page: 93 / 182

93
Service Codes
TT17: Inconsistence between Control Logic and IGBT
Description
The Troubleshooting Tree 17 indicates an error where
there is an inconsistency between the internal control
logic of the MCU and the activation of the IGBT of one
or more phases.
Listed below are the possible causes of these SysFile
IDs, in order of likelihood:
1. It may be a minor issue, and may be seen
because of internal noise, and no action may
be needed.
2. The MCU may be defective. In this case, the
MCU must be turned OFF and the MCU must
be disconnected and replaced.
This event indicates inconsistency between the
internal control logic and the turn ON of IGBT of the
related phase.
Note : Refer to the MCU installation guide for more
details on installation and deinstallation procedure
including safety warning considerations
To correctly diagnose the faulty system, connect the
Diagnostic Tool (see «Diagnostics» section for test
equipment and descriptions) and follow the
troubleshooting tree procedure below.
See “Safety Warnings” and “Troubleshooting Tips”
sections for general guidelines on system diagnostics.
System Mode
Referred by
SysFile ID
Condition Possible Causes
Operational
0x3100 0x3101
0x3102 0x3103
0x3104 0x3105
0x3106 0x3107
0x3108
Inconsistency between
the internal control logic
and the turn ON of IGBT
of phase #1 to phase # 9
respectively.
1.
Minor issue. Could potentially be raised
due to internal noise under high DC input
voltage level.
2.
Defective MCU, if 0x320D SysFile ID
also occurs within the same power up.
3.
Defective MCU, if 0x3200 to 0x3208
SysFile ID also occurs within the same
power up.