LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Subaru
>>
2016
>>
WRX STI Series.HyperBlue
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Diagnostic Trouble Code (DTC) Detecting Criteria
>>
Diagnostic Trouble Code (DTC) Detecting Criteria
>>
DTC P2431 Secondary Air System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1
>>
Execution Condition
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Execution Condition
Secondary Parameters
Execution condition
Elapsed time after ignition switch to OFF
< 60000 ms
Soaking time
≥ 60 s
After secondary air system stops
≥ 3000 ms