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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle System (Diagnostics) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P2757: Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off >> General Description >> Diagnostic Method

Diagnostic Method

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
ABS* (Engine speed - Measured turbine shaft speed) Exceeds rpm values in Table below
* ABS: Absolute value Table 2
ENGINE SPEED SPECIFICATION

Engine speed (rpm) 0 500 1000 1500 2000 2500 3000 3500
ABS (Engine speed -Measured turbine shaft speed) (rpm) 200 200 200 200 200 200 200 200
 
Engine speed (rpm) 4000 4500 5000 5500 6000 6500 7000  
ABS (Engine speed -Measured turbine shaft speed) (rpm) 200 200 200 200 200 200 200  

Time needed for diagnosis  : 10 s

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