LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2007 >> Sienna LE, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0136 - P0505 >> 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

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 11V or more
Either of the following conditions is met Condition 1 or 2
1. Engine RPM Less than 1100 rpm
2. Intake air amount per revolution 0.22 g/rev or more
Catalyst monitor Not executed
scientia non olet · About LEMON Manuals