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FOREWORD [IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]

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  Caution

  • When the engine does not start or stalls and the following DTCs are not indicated, refer to engine symptom troubleshooting. (See NO.3 WILL NOT CRANK [L8, LF, L3]) (See NO.5 WILL NOT CRANK [MZR-CD (RF Turbo)])

  Note

  • When the immobilizer system is defective, the engine cannot be started.
  • If engine condition is normal but security light stays on, inspect for short circuit between security light. Repair or replace the wiring harness if necessary.
  • The vehicle may fail to start or a DTC may be stored in the keyless control module and PCM if the following occurs:

  - If a large, metal object is close to a valid key
  - If an electrical device is close to a valid key
  - If two or more valid keys are on the same key ring

  • If any malfunction cannot be identified, verify that no metal object or electrical device is on the key ring.
  • The security light repeatedly displays a DTC 10 times when the ignition switch is in the ON position.

1. Turn the ignition switch to the ON position.

  • If there is any malfunction, the security light flashes rapidly for approx. 1 minute and starts displaying a DTC.
  • If there is no malfunction, the security light illuminates for approx. 3 seconds and goes off.

2. Verify the security light condition and read the DTC according to security light flashing pattern.

3. Connect the SST (WDS or equivalent) to the vehicle DLC-2 16-pin connector.

4. Verify the DTC with the SST (WDS or equivalent).

5. If a DTC is indicated, perform on-board diagnostic referring to the DTC table.

## PID/Data Monitor and Record Procedure

1. Connect the SST (WDS or equivalent) to the vehicle DLC-2 16-pin connector.

2. Access and monitor PIDs using the SST (WDS or equivalent).