Inspection steps
WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- The entry & start system uses the CAN communication. Before performing troubleshooting, perform the inspection in "How to troubleshoot", and check that there are no communication problems. (Refer to HOW TO PROCEED WITH TROUBLESHOOTING )
- Before replacing the collation ECM (smart key ECM ASSY), refer to "ENTRY & START SYSTEM (ENTRY FUNCTION) ". (Refer to ENTRY & START SYSTEM (ENTRY FUNCTION)
- Check that no DTC is output. If any DTC is output, proceed to "List of diagnostic codes". (Refer to DIAGNOSTIC TROUBLE CODE CHART )
- If the entry & start system has been disabled by the entry & start system customize settings, enable it before performing troubleshooting. (Refer to CUSTOMIZE PARAMETERS )
- Before performing the following inspection steps, check the fuses related to this system.
- After finishing repair, check that the problem doesn't occur again.
- Checking the harnesses and connectors (instrument panel junction block ASSY - collation ECM) (Refer to INSPECTION STEPS
)
NG: Repair or replacement of the harnesses or connectors
OK: Go to Next Step
- Unit inspection of the instrument panel junction block ASSY (ACC relay) (Refer to INSPECTION STEPS
)
NG: Replacement of the instrument panel junction block ASSY
OK: Go to Next Step
- Inspection of the collation ECM (smart key ECM ASSY) (Refer to DTC B2275 [STSW CIRCUIT ABNORMAL]
)
NG: Replacement of the collation ECM (smart key computer ASSY)
OK: Checking the circuits connected to the relay