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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transaxle (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2758 Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On >> Diagnostic Method (Turbo Model)

Diagnostic Method (Turbo Model)

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
|Engine speed - Measured primary pulley shaft speed x Primary reduction gear ratio(1)| < Table 4 RPM
(1) Primary reduction gear ratio: 1.129
ENGINE SPEED SPECIFICATION

Engine speed (RPM) 0 500 1000 1500 2000 2500 3000 3500
|Engine speed - Measured primary pulley shaft speed x Primary reduction gear ratio| (RPM) 0 0 50 50 50 50 50 50
Engine speed (RPM) 4000 4500 5000 5500 6000 6500 7000
|Engine speed - Measured primary pulley shaft speed x Primary reduction gear ratio| (RPM) 50 50 50 50 50 50 50

Time needed for diagnosis:  10 seconds

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