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

• Communication failure between body integrated unit and ECM

STEPCHECKYESNO

1.CHECK 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 the 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 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.