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Home >> Subaru >> 2021 >> Crosstrek Sport >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (P-HEV Hybrid Powertrain Control System (Diagnostics) (1 Of 4)) >> Inspection Mode >> Procedure >> Inspection Mode 47

Inspection Mode 47

WARNING: This page is about a different variant/trim than selected.
Code Note Number of driving cycles on the detecting condition
P0AA0-00 - 1
P0AA3-73 - 1

Diagnostic procedure:

  1. Using the Subaru Select Monitor, perform the clear memory of [P-HEV Hybrid Powertrain Control]. Ref. to COMMON (DIAG)> CLEAR MEMORY .
  2. Turn to IG OFF, and wait for 2 minutes or more.
  3. Using the Subaru Select Monitor, read the DTC of [P-HEV Hybrid Powertrain Control] to check that there is no DTC displayed. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)> DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step  1.
  4. Turn to READY ON.
  5. Turn to IG OFF, and wait for 5 seconds or more.
    NOTE: According to the display on the SUBARU SELECT MONITOR, read the Data List and monitor the values of "Hybrid Battery Voltage" and "VL-Voltage before Boosting" for 3 minutes. If the difference between "Hybrid Battery Voltage" and "VL-Voltage before Boosting" is always less than 100 V, the vehicle has returned to normal.
  6. Turn to READY ON.
  7. Using the Subaru Select Monitor, display [Readiness code] of [P-HEV Hybrid Powertrain Control] and check that self-diagnosis of the DTC is completed. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>ALL READINESS DIAGNOSTIC CODE(S) .
    NOTE: If the concerned DTC is displayed, the self-diagnosis of the DTC is not complete. repeat from step  6.
  8. Using the Subaru Select Monitor, read the DTC of [P-HEV Hybrid Powertrain Control] to check that there is no DTC displayed. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)> DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs.