LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2006 >> Matrix Base, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (1ZZ-FE) - SFI System (For 4WD) - DTC P0010 Through P0171 >> DTC P0171 System Too Lean (Bank 1); DTC P0172 System Too Rich (Bank 1) >> Typical Enabling Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Enabling Conditions

Fuel-trim: 

TYPICAL ENABLING CONDITIONS - FUEL TRIM

The monitor will run whenever the following DTCs are 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)
Fuel system status Closed-loop for more than 13 seconds
Battery voltage 11 V or more
Either of following conditions A or B set -
A. Engine RPM Less than 1,100 rpm
B. Intake air amount per revolution 0.14 g/rev or more