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Home >> Subaru >> 2022 >> WRX Premium, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Continuously Variable Transmission (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0776: Pressure Control Solenoid "B" Performance/Stuck Off >> General Description >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

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
Diagnosis 1 
ABS(1) (Measured front output shaft speed - Measured secondary pulley shaft speed)
 
Exceeds rpm values in Table 1 
Diagnosis 2 
Measured secondary pulley shaft speed
 
More than 600 rpm
(1) Absolute value
ABS: ABSOLUTE VALUE, VEHICLE SPEED SPECIFICATION

Vehicle speed (calculated from front output shaft speed sensor) (MPH) 0 13 25 38 50 63 75
ABS (Measured front output shaft speed - Measured secondary pulley shaft speed) (rpm) 150 100 100 100 100 100 100
Vehicle speed (calculated from front output shaft speed sensor) (MPH) 88 100 113 125 138 150 159
ABS (Measured front output shaft speed - Measured secondary pulley shaft speed) (rpm) 100 100 100 100 100 100 100

Time needed for diagnosis:  5 s

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