DTC B13C3:04 [ADVANCED KEYLESS ENTRY SYSTEM]
id0902p8026900
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Description |
LF control unit internal malfunction |
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Detection condition
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• Start stop unit detects the LF control unit internal malfunction.
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Fail-safe function
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• Inhibits the door lock/unlock control using the advanced keyless entry system.
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Possible cause
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• LF control unit internal malfunction
• Start stop unit malfunction
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System wiring diagram
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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|---|---|---|---|
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1
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INSPECT LF CONTROL UNIT
• Inspect the LF control unit.
(See LF CONTROL UNIT INSPECTION.)
• Is the LF control unit normal?
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Yes
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Go to the next step.
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No
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Replace the LF control unit, then go to the next step.
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2
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear the DTC for the advanced keyless entry system using the M-MDS.
• Retrieve the advanced keyless entry system DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the start stop unit.
Go to the next step.
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No
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Go to the next step.
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3
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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