LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> WRX Premium, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.0L) (1 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0140: 02 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
12 V battery system voltage
Estimated secondary oxygen sensor element temperature
Integrated duty ratio of the secondary oxygen sensor heater operation from engine start
Secondary oxygen sensor offset signal
≥ 10.9 V
≥ 450°C (842°F)
≥54400%
≥ 1.8 V
and
≤ 2.2 V