DANA TM4 SUMO MD MV, Руководство по устранению неисправностей

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157
Service Codes
STT02: Verify Cooling Circuit Integrity
Description
The sub troubleshooting tree “Verify Cooling Circuit
Integrity” deals with the issue where the cooling
circuit of the motor and the Motor Control Unit (MCU)
must be checked and, if necessary, repaired or
replaced.
The lack of coolant, the air within the motor an MCU
lead to the system overheat.
A slowdown cooling flaw in the cooling circuit leads
to the system overheat.
The cooling agent mixture shall comply with the TM4
Product installation manual recommendations and
integration vehicle installation manual.
Note : Refer to integration vehicle installation manual.
Note : Refer to the TM4 Product installation guide for
more details on cooling agent mixture.
Note : On cooling agent
Wrong cooling agent can create dust / rust in the
cooling circuit.
To correctly diagnose the faulty system, connect the
Diagnostic Tool (see «Diagnostics» section for test
equipment and descriptions) and follow the
procedure of troubleshooting tree below.
See “Safety Warnings” and “Troubleshooting Tips”
sections
for general guidelines on system
diagnostics.
Related Process
The STT02 call the following process:
•
Appendix 5: Cooling agent precautions.
Related TT External input Outcome
TT20 TT21 TT22 TT23 TT24 TT29
None.
1. The cooling system has no problems and can be left
alone.
2. The cooling hoses have a problem and must be
physically oved or replaced.
3. The coolant mixture is not the correct mixture, and it
must be replaced.
4. There is an issue with the radiator.