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Home >> Toyota >> 2006 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System (2ZZ-GE)) >> SFI System >> DTC P0171 System Too Lean (Bank 1); DTC P0172 System Too Rich (Bank 1) >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
TYPICAL ENABLING CONDITIONS

Monitor runs whenever these DTCs not present P0010 (VVT VSV), P0011, P0012 (VVT system-Advance, Retard), P0031, P0032 (O2 sensor heater sensor 1), P0031, P0032 (A/F sensor heater sensor 1), P0100, P0102, P0103 (MAF sensor), P0115, P0117, P0118 (ECT sensor), P0120, P0122, P0123 (TP sensor), P0125 (Insufficient ECT for closed loop), P0134 (O2 sensor, A/F sensor (No activity) sensor 1), P0335 (CKP sensor), P0340, P0341 (CMP sensor), P0351, P0352, P0353, P0354 (Igniter), P0500 (VSS), P2440 (A/R control valve stuck open), P2441 (A/R control valve stuck close), P2444 (AIP stuck ON), P2445 (AIP stuck OFF)
Battery voltage 11 V or more
Fuel system status Closed loop (for more than 13 seconds)
Either of the following conditions (a) or (b) met: -
(a) Engine RPM Less than 1,100 rpm
(b) Intake air amount per revolution 0.15 g/rev or more