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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.0L) - Introduction >> Drive Cycle >> Procedure >> Drive Cycle W
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Drive Cycle W

DTC Item Condition Number of driving cycles on the detecting condition
P0134 A/F/O2 SENSOR CIRCUIT NO ACTIVITY DETECTED BANK 1 SENSOR 1 - 1
P1492 COIL 1 EGR "A" CONTROL CIRCUIT LOW - 1
P1493 COIL 1 EGR "A" CONTROL CIRCUIT HIGH - 1
P1494 COIL 2 EGR "A" CONTROL CIRCUIT LOW - 1
P1495 COIL 2 EGR "A" CONTROL CIRCUIT HIGH - 1
P1496 COIL 3 EGR "A" CONTROL CIRCUIT LOW - 1
P1497 COIL 3 EGR "A" CONTROL CIRCUIT HIGH - 1
P1498 COIL 4 EGR "A" CONTROL CIRCUIT LOW - 1
P1499 COIL 4 EGR "A" CONTROL CIRCUIT HIGH - 1
WARNING: When performing the drive cycle W 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». Refer to ENGINE (DIAGNOSTICS) (W/O STI)>CLEAR MEMORY MODE>OPERATION .
  2. Drive according to the drive pattern described below.
    G13650444Courtesy of SUBARU OF AMERICA, INC.
  3. Read the temporary code using the Subaru Select Monitor or general scan tool. Refer to ENGINE (DIAGNOSTICS) (W/O STI)>READ DIAGNOSTIC TROUBLE CODE (DTC)>OPERATION .