SECURITY LIGHT: 13, DTC: B10D7:94/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)]


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DTC

Security light flashing pattern

13

Key ID number data cannot be read

M-MDS display

Keyless control module

B10D7:94

PCM

P1260:00

POSSIBLE CAUSE
•  There is no transponder in the key.
•  Transponder malfunction (key code is not output.)
•  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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―  Spare keys
―  Keys for other vehicles equipped with immobilizer system
―  Any metallic object
―  Any electronic device, or any credit or other card with magnetic strips
•  Coil antenna malfunction
•  Keyless control module malfunction


Diagnostic Procedure

Step

Inspection

Action

1
VERIFY DTCs
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: B10D7:94
―  PCM: P1260:00
Yes
Go to Step 3.
No
Go to the next step.
2
VERIFY DTCs
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: B10D7:05
―  PCM: P1260:00
Yes
Perform the security light: 13, M-MDS: Inspect B10D7:05/P1260:00 inspection.
No
Go to the next step.
3
VERIFY WHETHER KEY IS VALID OR NOT
•  Are there any keys with which the engine can be started, other than the key that is a cause of the displayed DTC?
Yes
Go to Step 5.
No
Go to the next step.
4
VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA
•  Using the programmed key, turn the ignition switch to the ON position.
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: B10D7:94
―  PCM: P1260:00
Yes
Replace the coil antenna, then go to Step 6.
No
Dispose of the malfunctioning key.
Program a new key if necessary.
Go to Step 8.
5
VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: B10D7:94
―  PCM: P1260:00
Yes
Replace the coil antenna, then go to the next step.
No
Dispose of the malfunctioning key.
Program a new key if necessary.
Go to Step 8.
6
PERFORM DTC INSPECTION AND VERIFY THAT MALFUNCTIONING PART IS KEYLESS CONTROL MODULE
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: B10D7:94
―  PCM: P1260:00
Yes
Replace the keyless control module and program the immobilizer system-related parts.
Go to the next step.
No
Go to Step 8.
7
VERIFY TROUBLESHOOTING COMPLETED
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the following DTC present?
―  Keyless control module: B10D7:94
―  PCM: P1260:00
Yes
Inspect the DTC P1260:00.
(See MZ-CD 1.6.)
No
Go to the next step.
8
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.