Immobilizer System (Keyless Entry System)

FOREWORD [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]

Foreword [Immobilizer System (Keyless Entry System)]:

Structural View

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[L3]) (See NO.3 WILL NOT CRANK[AJ])
- If DTCs cannot be retrieved due to a security light circuit malfunction, refer to immobilizer system symptom troubleshooting. (See NO.1 SECURITY LIGHT REMAINS ON OR DOES NOT ILLUMINATE[IMMOBILIZER SYSTEM])

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 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 M-MDS to the DLC-2.
4. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
- When using the IDS (laptop PC)
- Select the "Toolbox" tab.
- Select "Self Test".
- Select "Modules".
- Select "RKE".

- When using the PDS (Pocket PC)
- Select "Module Tests".
- Select "Optional" tab.
- Select "RKE".
- Select "Self Test".

5. Verity the DTC according to the directions on the screen.
- It any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.

6. Disconnect the M-MDS.