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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Transaxle (Diagnostics) (IMPREZA)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0747: Pressure Control Solenoid "A" Stuck On >> General Description >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different car, the 2020 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Phase 1   
ABS(1) (Target line pressure - Measured line pressure) More than 500 kPa
Measured line pressure Less than 3000 kPa
Phase 2   
Measured line pressure sensor input voltage 0.8 V or less
(Line pressure) (570 kPa or less)
Measured line pressure sensor input voltage 0.195 V or more
(Line pressure)
NOTE: Both Phase 1 and Phase 2 must be met to fail the diagnostics.
(0 kPa or more)
(1) ABS: Absolute value

Time needed for diagnosis: 

Malfunction indicator light illumination  : Illuminates when malfunction occurs in 2 continuous driving cycles.