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Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 513 (Engine Control System) >> SFI System >> 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
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

Fuel-trim: 

TYPICAL ENABLING CONDITIONS

The monitor will run whenever these DTCs are not present P0010, P0020 (VVT VSV1, 2), P0011, P0012 (VVT System-Advance, Retard), P0021, P0022 (VVT System 2-Adavance, Retard), P0031, P0032, P0051, P0052 (A/F Sensor Heater Sensor 1), P0100, P0101, P0102, P0103 (MAF Sensor), P0115, P0116, P0117, P0118 (ECT Sensor), P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP Sensor), P0125 (Insufficient ECT for Closed Loop), P0335 (CKP Sensor), P0340 (CMP Sensor), P0351, P0352, P0353, P0354, P0356 (Ignitor), P0500 (VSS)
Fuel system status Closed-loop
Battery voltage 11 V or more
Either of the following conditions is met Condition 1 or 2
1. Engine RPM Less than 1,100 RPM
2. Intake air amount per revolution 0.22 g/rev or more
Catalyst monitor Not executed
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