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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (STI) >> Drive Cycle >> Procedure >> Drive Cycle Z
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Drive Cycle Z

DTC Item Condition
P0068 MAP/MAF - THROTTLE POSITION CORRELATION -
P0101 MASS OR VOLUME AIR FLOW SENSOR "A" CIRCUIT RANGE/PERFORMANCE -

Diagnostic procedure: 

WARNING: When performing the drive cycle Z on the public road, be very careful of the traffic condition and the safe driving must be the high priority.
  1. Using the Subaru Select Monitor, perform the clear memory for «Engine». Ref. to ENGINE (DIAGNOSTICS) (STI)>Clear Memory Mode>OPERATION .
  2. Drive according to the drive pattern described below.
    G12456668Courtesy of SUBARU OF AMERICA, INC.
  3. Read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to ENGINE (DIAGNOSTICS) (STI)>Read Diagnostic Trouble Code (DTC)>OPERATION .