2016 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Monitor Status Check: Misfire

Monitor ID Test ID Scaling Unit Description
$A1 $0B Multiply by 1 Time Total number of misfires for EWMA(1) counted during the last driving cycle in all cylinders
$A1 $0C Multiply by 1 Time
  • With IG ON, the number of misfire counted during the last driving cycle in all cylinders is displayed.
  • When the engine is running, the number of misfire counted during current driving cycle in all cylinders is displayed.
$A2 $0B Multiply by 1 Time Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #1
$A2 $0C Multiply by 1 Time
  • With IG ON, the number of misfire counted during the last driving cycle in cylinder #1 is displayed.
  • When the engine is running, the number of misfire counted during current driving cycle in cylinder #1 is displayed.
$A3 $0B Multiply by 1 Time Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #2
$A3 $0C Multiply by 1 Time
  • With IG ON, the number of misfire counted during the last driving cycle in cylinder #2 is displayed.
  • When the engine is running, the number of misfire counted during current driving cycle in cylinder #2 is displayed.
$A4 $0B Multiply by 1 Time Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #3
$A4 $0C Multiply by 1 Time
  • With IG ON, the number of misfire counted during the last driving cycle in cylinder #3 is displayed.
  • When the engine is running, the number of misfire counted during current driving cycle in cylinder #3 is displayed.
$A5 $0B Multiply by 1 Time Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #4
$A5 $0C Multiply by 1 Time
  • With IG ON, the number of misfire counted during the last driving cycle in cylinder #4 is displayed.
  • When the engine is running, the number of misfire counted during current driving cycle in cylinder #4 is displayed.
NOTE:
(1) EWMA (Exponential Weighted Moving Average) counted during the last 10 driving cycles Arithmetic expression for obtaining the number of misfire: 0.1 X (Current times) + 0.9 X (Previous average) (Previous average) for initial value = 0
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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