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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (2 Of 4) >> 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

Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs are not present P0010, P0020 (MD VVT Bank 1, 2)
P0011 (MD VVT System 1 - Advance)
P0012 (MD VVT System 1 - Retard)
P0021 (MD VVT System 2 - Advance)
P0022 (MD VVT System 2 - Retard)
P0031, P0032, P0051, P0052 (A/F sensor heater - Sensor 1)
P0102, P010C, P010D, P0103 (MAF meter)
P0115-P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (Insufficient ECT for Closed Loop)
P0335 (CKP sensor) P0340 (VVT sensor)
P0351 - P0358 (Igniter)
P0500 (VSS)
Fuel system status Closed loop
Battery voltage 11 V or more
Either of following conditions 1 or 2 is met: -
1. Engine RPM Less than 1100 rpm
2. Intake air amount per revolution 0.29 g/rev or more
Catalyst monitor Not executed