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Home >> Subaru >> 2018 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) >> Inspection Mode >> Inspection Mode T >> Inspection Mode Z
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Inspection Mode Z

DTC Item Condition Number of driving cycles on the detecting condition
P0030 A/F/O2 HEATER CONTROL CIRCUIT BANK 1 SENSOR 1 - 2
P0068 MAP/MAF - THROTTLE POSITION CORRELATION - 2
P0101 MASS OR VOLUME AIR FLOW SENSOR "A" CIRCUIT RANGE/PERFORMANCE - 2
P219C Cylinder 1 Air-Fuel Ratio Imbalance - 2
P219D Cylinder 2 Air-Fuel Ratio Imbalance - 2
P219E Cylinder 3 Air-Fuel Ratio Imbalance - 2
P219F Cylinder 4 Air-Fuel Ratio Imbalance - 2
WARNING: When performing inspection mode Z on a public road, pay sufficient attention to the traffic condition and give the highest priority to safe driving.

Diagnostic procedure: 

  1. Using the Subaru Select Monitor, clear the memory of [Engine Control System]. Ref. to COMMON (diag)>CLEAR MEMORY .
  2. Drive according to the drive pattern described below.
    G12399919Courtesy of SUBARU OF AMERICA, INC.
  3. Read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to COMMON (diag)>DIAGNOSTIC TROUBLE CODE (DTC) .