General Faults/Parameter Faults

General faults/Parameter faults

Checking heater function




- Ignition on.
- Activate heater.
For information on how the heater should operate when running, see Test driving of Additional heater/Parking heater Initial Inspection and Diagnostic Overview.





Does the heater start?

Yes - Intermittent fault

No - Replacing the control module

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Replacing the control module

Note! Before replacing the control module the other stored diagnostic trouble codes (DTCs) must be replaced first.

- Ignition off.




Try a new control module according to Replacing the control module. Service and Repair

Continue - DONE 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.

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Checking heater function

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Intermittent fault
Fault-tracing shows that the control module has earlier registered an intermittent fault but that the fault is no longer present.

Continue - Fault-tracing information
DONE

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Checking heater function

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