Internal Fault

Internal fault

IMM-112 Control module

Checking keys
Try to start the car with all the keys that the customer has.





Does the car start with all the keys the customer has?

Yes - Fault-tracing information

No - Programming keys

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Fault-tracing information
The fault is caused by a temporary disruption of internal control module communication.

Select Continue.

Continue - FAULT FOUND

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Programming keys




- Ignition on.
- Erase the diagnostic trouble codes (DTC).
- Program the key or keys which cannot be used to start the car according to Add/delete key Add/Delete Key.
Try to start the car with the programmed key/s.





Does the car start?

Yes - Fault-tracing information

No - Reading off diagnostic trouble codes (DTCs)

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Fault-tracing information
The fault was caused by faulty data in the control module memory.

Select Continue.

Continue - FAULT FOUND

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Reading off diagnostic trouble codes (DTCs)




- Switch ignition off and on again.
Read off diagnostic trouble codes (DTCs).





Has diagnostic trouble code (DTC) IMM-112 been stored again?

Yes - Replacing the component

No - FAULT FOUND

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Replacing the component
Try a new control module according to Immobilizer control module Immobilizer Control Module.
Initialize the control module according to Immobilizer control module, initiating Immobilizer Control Module, Initiating.

Select "Continue" when the fault has been remedied.

Continue - Verification

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Verification




Verification

Verification

Hint: Check that the repair has been successful and that the fault has been remedied as follows.




- Ignition on.
Erase diagnostic trouble codes (DTCs).






Continue - Verification (continued)

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Verification (continued)
- Switch off the ignition for more than three seconds.
- Start the car.
Read off diagnostic trouble codes (DTCs).





Has the diagnostic trouble code (DTC) recurred?

Yes - VERIFICATION FAILED

No - VERIFIED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking keys

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