LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> FJ Cruiser 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0010 - P0175 >> DTC P0171 System Too Lean (Bank 1); DTC P0172 System Too Rich (Bank 1); DTC P0174 System Too Lean (Bank 2); DTC P0175 System Too Rich (Bank 2) >> Typical Enabling Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Enabling Conditions

Fuel-trim: 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present P0010, P0020 (OCV Bank 1, 2)
P0011 (VVT System 1 -Advance)
P0012 (VVT System 1 - Retard)
P0021 (VVT System 2 - Advance)
P0022 (VVT System 2 - Retard)
P0031, P0032, P0051, P0052 (A/F sensor heater - Sensor 1)
P0100-P0103 (MAF meter)
P0115-P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (Insufficient ECT for closed loop)
P0335 (CKP sensor)
P0340 (CMP sensor)
P0351 - P0356 (Igniter)
P0500 (VSS)
Fuel system status Closed-loop
Battery voltage 11 V or more
Either of following conditions 1 or 2 set -
1. Engine RPM Below 1,100 rpm
2. Intake air amount per revolution 0.22 g/rev or more
Catalyst monitor No executed
scientia non olet · About LEMON Manuals