SECURITY LIGHT: 14, DTC: B10D7:81/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)]
id09021d356600
DTC |
Security light flashing pattern |
14 |
Key ID number error |
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M-MDS display |
Keyless control module |
B10D7:81 |
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PCM |
P1260:00 |
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DETECTION CONDITION
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• Keyless control module cannot read key ID number data normally.
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POSSIBLE CAUSE
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• Coil antenna connector or terminals malfunction
• Keyless control module connector or terminals malfunction
• Transponder (key) malfunction
• Coil antenna malfunction
• Keyless control module malfunction
• PCM malfunction
• If any of the following items are touching or near key head, signal communication between key and vehicle is negatively affected, resulting in engine not starting.
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Diagnostic Procedure
STEP |
INSPECTION |
ACTION |
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1
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INSPECT COIL ANTENNA CONNECTOR AND TERMINALS
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Disconnect the coil antenna connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 6.
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No
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Go to the next step.
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2
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INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS
• Disconnect the keyless control module connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 6.
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No
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Go to the next step.
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3
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VERIFY WHETHER THERE IS A VALID KEY
• Are there any valid keys which can start the engine other than the cause of the displayed DTC?
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Yes
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Go to the next step.
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No
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Program an additional key referring to the immobilizer system-related parts programming, then go to the next step.
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4
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VERIFY COIL ANTENNA MALFUNCTION
• Switch the ignition to ON using the valid key other than the cause of the displayed DTC.
• Clear the DTC from the keyless control module using the M-MDS.
• Verify the immobilizer system DTC using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the coil antenna, then go to the next step.
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No
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Dispose of the malfunctioning key and program a new key if necessary, then go to Step 7.
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
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5
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VERIFY KEYLESS CONTROL MODULE MALFUNCTION
• Clear the DTC from the keyless control module using the M-MDS.
• Verify the immobilizer system DTC using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the keyless control module and program the immobilizer system-related parts.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
Go to the next step.
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No
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Go to Step 7.
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6
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VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the keyless control module using the M-MDS.
• Verify the immobilizer system DTC using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the PCM, then go to the next step.
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No
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Go to the next step.
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7
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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