LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Subaru
>>
2018
>>
Crosstrek Limited
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System (Diagnostics) (1 Of 4)
>>
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
>>
DTC P0030: A/F/O2 Heater Control Circuit Bank 1 Sensor 1
>>
Execution Condition
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Execution Condition
Secondary parameters
Execution condition
Battery voltage (A/F sensor heater control duty Duration)
10.9 V or more
More than 15%
42000ms or more
20000ms or more
Time while the fuel shut-off function is not in operation