IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P1578 METER FAILURE

DTC DETECTING CONDITION:

Reference code incompatibility between combination meter and body integrated unit

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1.CHECK DIAGNOSTIC TROUBLE CODE (DTC).

Read the DTC of body integrated unit using Subaru Select Monitor.

Is DTC B1401 detected?

2.CHECK LAN COMMUNICATION SYSTEM.

Inspect LAN communication system.

Is DTC U1300, U1301, U1302, B1100 or B1101 of the body integrated unit displayed?

Perform the diagnosis according to DTC.

3.CHECK COMBINATION METER.

1) Perform the registration of immobilizer. Refer to the “PC application help for Subaru Select Monitor”.

2) Start the engine.

Does the engine start?

System is normal.

Replace the combination meter.

NOTE:

• When the combination meter has been replaced, be sure to perform the registration procedure of immobilizer.

• When a combination meter of a model without immobilizer is installed to a model with immobilizer, the engine may not start. If the improper installation occurs, take corrective action as follows.

1. Turn the ignition switch to OFF.

2. Replace the current combination meter with the original combination meter. (Install the part for models without immobilizer.)

3. Disconnect the battery negative terminal, and reconnect after one minute has passed.

4. Turn the ignition switch to START, make sure that the engine starts.

• When the combination meter and body integrated unit are replaced at a time, the registration can not be completed. In this case, it is necessary to rewrite the ID into the body integrated unit.