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126
Service Codes
TT31
Description
The Troubleshooting Tree 31 indicates an error where
the
level of torque to the motor doesn’t match the
amount of power delivered by the AC current.
The connections between the motor and the MCU,
and the damaged phase cables or motor sensor
cables signal incoherence may cause the SysFile ID.
The incorrect connection configuration (Standard or
Reverse) of the phase cables may cause the issue.
The loss of sensor connector integrity may cause the
SysFile ID.
All the phase cables and their connection on the MCU
and the motor are needed to be fully functional and
complying to the installation manual.
TM4 ODIN diagnostic tool allows to visualize the
motor resolver angle waveform: see next page.
The MCU itself may be defective.
Note:
Refer to the Dana TM4 product installation
guide including safety warning considerations and
operation and maintenance manual for more details
on the phase cables configurations and parameter
setting.
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
0x320D
The reference torque
is not matching with
the estimated torque
(most of the time
lower than
reference).
1.
Phase cable connections not properly
assembled on inverter or motor.
2.
Wrong phase cables order.
3.
Motor resolver signal incoherence
(intermittence signal, distorted signal).
4.
Defective MCU.
5.
Defective motor.
Summary of Contents for SPICER TM4 SUMO HP HV Powertrain
Page 1: ...1 Dana TM4 SUMO HP HV Powertrain Troubleshooting Guide SMTS 0603 March 2022 ...
Page 9: ...9 General Information Dana TM4 Motor and MCU Components Example Dana TM4 Motor Dana TM4 MCU ...
Page 14: ...14 General Information Motor connector head Identification Dana TM4 MCU A3 Dana TM4 Motor ...
Page 36: ...36 Service Codes ...
Page 38: ...38 Service Codes ...
Page 41: ...41 Service Codes Connector type 2 pinout Connector type 1 pinout ...
Page 47: ...47 Service Codes Connector type 2 pinout Connector type 1 pinout ...
Page 51: ...51 Service Codes Motor internal resistance measurement table ...
Page 53: ...53 Service Codes ...
Page 54: ...54 Service Codes ...
Page 55: ...55 Service Codes ...
Page 57: ...57 Service Codes ...
Page 62: ...62 Service Codes Connector type 2 pinout ...
Page 63: ...63 Service Codes ...
Page 64: ...64 Service Codes ...
Page 67: ...67 Service Codes Connector type 2 pinout ...
Page 68: ...68 Service Codes ...
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Page 125: ...125 Service Codes References ...
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