SECURITY LIGHT: 11, DTC: B10D9:87/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)]
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DTC |
Security light flashing pattern |
11 |
No detected communication with coil antenna |
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---|---|---|---|---|
M-MDS display |
Keyless control module |
B10D9:87 |
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PCM |
P1260:00 |
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POSSIBLE CAUSE
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• The coil antenna connector is pulled out
• Coil antenna malfunction
• Keyless control module malfunction
• Related wiring harnesses malfunction
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System Wiring Diagram
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Diagnostic Procedure
Step |
Inspection |
Action |
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---|---|---|---|
1
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VERIFY DTCs
• Clear DTCs using the M-MDS.
• Verify DTCs using the M-MDS.
• Is the DTC displayed again?
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Yes
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Inspect B10E6:11.
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No
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Go to the next step.
|
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2
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VERIFY COIL ANTENNA CORRECTLY INSTALLED
• Verify the installation condition of the coil antenna.
• Is the coil antenna correctly installed?
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Yes
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Go to the next step.
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No
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Install the coil antenna correctly, then go to Step 10.
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3
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INSPECT COIL ANTENNA POWER SUPPLY
• Switch the ignition to off.
• Disconnect the coil antenna connector.
• Connect the negative battery cable.
• Switch the ignition to ON.
• Measure the voltage at coil antenna connector terminal B.
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Yes
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Go to step 5.
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No
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Go to the next step.
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4
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INSPECTION KEYLESS CONTROL MODULE
• Measure the voltage at keyless control module connector terminal 4Q.
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Yes
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Repair or replace the wiring harness, then go to Step 10.
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No
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Replace the keyless control module.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
Go to Step 10.
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5
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INSPECT WIRING HARNESS BETWEEN COIL ANTENNA AND GROUND
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Measure the continuity of the wiring harness between coil antenna connector terminal F and ground.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness, then go to Step 10.
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6
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INSPECT COMMUNICATION CIRCUIT (INPUT) FOR CONTINUITY
• Disconnect the keyless control module connector.
• Measure the continuity of the wiring harness between coil antenna connector terminal C and keyless control module connector terminal 2D.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness between the coil antenna and the keyless control module, then go to Step 10.
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7
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INSPECT COMMUNICATION CIRCUIT (OUTPUT) FOR CONTINUITY
• Measure the continuity of the wiring harness between coil antenna connector terminal D and keyless control module connector terminal 2B.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness between the coil antenna and the keyless control module, then go to Step 10.
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8
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INSPECT COIL ANTENNA INPUT SIGNAL CIRCUIT
• Connect the coil antenna connector.
• Connect the negative battery cable.
• Switch the ignition to ON.
• Measure the voltage at coil antenna connector terminal C.
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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 coil antenna.
Go to Step 10.
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9
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INSPECT COMMUNICATION CIRCUIT (OUTPUT) FOR CONTINUITY
• Measure the continuity of the wiring harness between coil antenna connector terminal D and ground.
• Is there continuity?
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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 coil antenna.
Go to the next step.
|
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10
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VERIFY AFTER REPAIR
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Reconnect the disconnected connectors.
• Connect the negative battery cable.
• Clear DTCs using the M-MDS.
• Verify DTCs using the M-MDS.
• Are DTCs output again?
|
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
|
Go to the next step.
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11
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Verify if other DTCs are displayed.
• Are any other DTCs output?
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Yes
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Perform the corresponding DTC inspection.
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No
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DTC troubleshooting completed.
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