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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 463 (Engine Control System (SFI) - Diagnostics) >> DTC P0171: System Too Lean (Bank 1) DTC P0172: System Too Rich (Bank 1) >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS

Item Specification
Minimum Maximum
The monitor will run whenever the following DTCs are not present See LIST OF DISABLE A MONITOR 
Battery voltage 11 V -
Fuel system: Closed loop 13 seconds -
One of the following condition is met: (a) or (b)
(a) Engine speed - 1,100 rpm
(b) Intake air amount per revolution 0.14g/rev -