LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Subaru
>>
2019
>>
Forester Touring
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System (Diagnostics) (1 Of 4)
>>
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
>>
DTC P0140: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2
>>
Execution Condition
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Execution Condition
Secondary parameters
Execution condition
Battery voltage
Estimated temperature of the rear oxygen sensor element
Cumulative duty ratio of the rear oxygen sensor heater after engine starting
Rear oxygen sensor offset signal
10.9 V or more
500°C (932°F) or more
11800% or more
1.8V - 2.2V