DANA SPICER TM4 SUMO HP HV Powertrain, Руководство по устранению неисправностей

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112
Service Codes
TT25
Description
The Troubleshooting Tree 25 indicates an error where
the resolver converter chip detected high temperature
for the resolver chip.
The MCU cooling circuit is a possible cause of this
SysFile ID. If this is the case, refer to the Sub
Troubleshooting Tree STT02 to verify the cooling
circuit integrity of the motor and MCU cooling circuit.
The MCU itself may also be defective.
Note: Refer to the motor installation guide for more
details on installation and deinstallation procedure
including safety warning considerations.
Note : There is air in the cooling circuit. The air must
be let out of the cooling circuit.
Note : The flow of the cooling liquid is too low to cool
the motor. Refer to the cooling system
troubleshooting Guide.
Note : The temperature of the liquid temperature is too
high to cool the motor. The system must turn Ignition
off, and the coolant mixture must be replaced. Refer
to the cooling system Service Manual.
Note : The mixture of the cooling liquid was done
badly, which does not let the coolant cool the motor.
Replace the mixture of cooling liquid. Refer to the
cooling system Service Manual.
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
0x3405
The Resolver
Converter Chip
detected a resolver
chip high
temperature.
1.
Air in the cooling circuit.
2.
Cooling liquid flow too low or nil (cooling
pump issue).
3.
Cooling liquid temperature too high.
4.
Wrong cooling agent mixture used
–
(can create dust/rust in the cooling
circuit.
5.
Defective MCU.