SECURITY LIGHT 12, DTC B2103/P1260

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SECURITY LIGHT 12, DTC B2103/P1260

B3E090201077W07

SECURITY LIGHT: 12 | • Coil antenna malfunction • The PCM determined a malfunction in the coil antenna even though it is normal.
DTC: B2103/P1260
DETECTION CONDITION | • Coil antenna malfunction • The PCM determined a malfunction in the coil antenna even though it is normal.
POSSIBLE CAUSE | • Coil antenna malfunction • Poor connection of the coil antenna connector • PCM malfunction

## Diagnostic Procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | INSPECT CONNECTOR CONNECTION • Are the coil antenna connector and the instrument cluster connector securely connected? | Yes | Replace the coil antenna, then go to the next step. (See COIL ANTENNA REMOVAL/INSTALLATION.)
No | Connect the connector securely.

2

INSPECT PCM
• Turn the ignition switch to the ON position.
• Is the DTC displayed?

  - Security light: 12
  - WDS or equivalent: B2103/P1260

Yes

Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
(See PCM REMOVAL/INSTALLATION [ZJ, Z6].)
(See PCM REMOVAL/INSTALLATION [LF].)
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)

No | DTC troubleshooting completed.