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.
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 Adding/Erasing Keys.
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.
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 Testing and Inspection.
Continue - Verification
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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 - Exit fault-tracing
No - Attempt New Test
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Attempt New Test - Checking keys
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