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Home >> Toyota >> 2009 >> Yaris Base, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1NZ-FE) >> SFI System >> DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs not present P0016 (VVT system - misalignment)
P0031, 32 (A/F Sensor heater)
P0100 - P0103 (MAF meter)
P0110 - P0113 (IAT sensor)
P0115 - P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (Insufficient ECT for Closed Loop)
P0128 (Thermostat)
P0171, P0172 (Fuel system)
P0301 - P0304 (Misfire)
P0335 (CKP sensor)
P0340 (CMP sensor)
P0500 (VSS)
P0505 (ISC)
Active A/F control Performing
Active A/F control performed when following conditions met -
Engine coolant temperature 75°C (167°F) or more
Battery voltage 11 V or more
Idle OFF
Engine RPM Less than 4,000 rpm
A/F sensor status Activated
Fuel cut OFF
Engine load 10 to 70%
Shift position 2 or more
Catalyst monitor Not yet
Intake air amount 4 to 17g/sec