DTC B1414: Immobilizer Control Module Non-Volatile Memory

Diagnosis start condition:

Battery voltage is 10 V or more.
The remote engine starter was not used to start the engine.

DTC detecting condition:

Defective immobilizer control module
Failed to access the ROM in immobilizer control module.

Trouble symptom:

Engine will not start.

CAUTION: When the immobilizer control module is replaced, registration of the immobilizer system is required. For details, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.

CHECK DTC .
1. Disconnect the ground terminal from battery sensor. Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .
2. Wait for at least 10 seconds.
3. Connect the ground terminal to battery sensor. Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .
4. Turn the ignition switch to ON.
5. Read the DTC of [Immobilizer] using the Subaru Select Monitor. Ref. to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B1414 displayed? (Current malfunction)

Yes : Go to 2 .

No : The system has returned to a normal condition at this time. Finish the diagnosis.
CHECK DTC .
1. Using the Subaru Select Monitor, perform the clear memory of [Immobilizer]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
2. Turn the ignition switch to OFF.
3. Disconnect the ground terminal from battery sensor. Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .
4. Wait for at least 10 seconds.
5. Connect the ground terminal to battery sensor. Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .
6. Turn the ignition switch to ON.
7. Read the DTC of [Immobilizer] using the Subaru Select Monitor. Ref. to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B1414 displayed? (Current malfunction)

Yes : Replace the immobilizer control module. Ref. to SECURITY AND LOCKS>IMMOBILIZER CONTROL MODULE .

No : The system has returned to a normal condition at this time. Finish the diagnosis.