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Home >> Subaru >> 2016 >> BRZ Series.HyperBlue >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Entry Start System Start System (Keyless Start)) >> Entry & Start System (Start Function) >> DTC B2276 [ACCR Signal Abnormal] >> Circuit description

Circuit description

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.

This DTC is output when an input problem occurs in the ACC relay cut input signal circuit of the collation ECM (smart key ECM ASSY).

NOTE: If you remove and then reconnect the battery cable, the power returns to the mode it was before you removed the cable.
DTC No. DTC detection status Faulty part DTC Output Confirmation Operation
B2276 A problem is detected (1-trip detection logic (1)) in the ACC relay cut input signal circuit of the collation ECM (smart key ECM ASSY).
  • Collation ECM (smart key ECM ASSY)
  • EFI system
  • Wiring harness or connector
 Start the engine.
(1) The code is output only when the problem is found and the engine switch is on (IG).
Vehicle status when a problem is detected Failsafe function when a problem is detected
  • When the engine starts, the ACC relay is not cut.
  • The start ASSY turns slowly.
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RELATED [CURRENT DATA DISPLAY & SAVE] AND [SYSTEM OPERATION CHECK MODE] ITEMS

DTC No. [Current Data Display & Save] items [System Operation Check Mode] items
B2276 - -
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