Faulty Signal

Faulty signal

Checking the component

Hint: The fault may be due to a defective cooling fan for the control modules. If diagnostic trouble code (DTC) ECM-6220 is stored it must be remedied first.

Activate the cooling fan for the control modules. Check the function. There must be a buzzing noise from the cooling fan when the fan for the control modules is activated.
Check that the air ducts for the control module box are not blocked.
Remedy as necessary.

Other information
- For the location of components on 5 cylinder engines, see Location of components Locations
- For the location of components on 6 cylinder normally aspirated engines, see Location of components Locations
- For the location of components on 6 cylinder turbocharged engines, see Location of components Locations.










Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
The information can be displayed again or the fault-tracing for this fault can be interrupted.

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Yes - Attempt New Test

No - Fault Found

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Attempt New Test - Checking the component

FAULT FOUND - Fault Found

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