DTC B13C3:04 [ADVANCED KEYLESS ENTRY SYSTEM]
id0902p8026900
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System malfunction location |
LF control unit internal malfunction |
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Detection condition
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• LF control unit internal malfunction detected
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Fail-safe
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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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—
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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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PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS START STOP UNIT
• Clear DTCs for the advanced keyless entry system using the M-MDS.
• Perform the advanced keyless entry system DTC inspection using the M-MDS.
• Is DTC B13C3:04 displayed?
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Yes
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Replace the start stop unit, then 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 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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