Typical Enabling Conditions

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

ALL:

TYPICAL ENABLING CONDITIONS TABLE - ALL

Monitor will run whenever these DTCs are not present

P0115 - P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (insufficient ECT for closed loop)
P0335 (CKP sensor)
P0340, P0341 (CMP sensor)

Mass air flow meter rationality (high voltage)

TYPICAL MALFUNCTION THRESHOLDS TABLE - MASS AIR FLOW METER RATIONALITY (HIGH VOLTAGE)

Engine speed	Less than 2,000 rpm
Engine coolant temperature	70°C (158°F) or more

Mass air flow meter rationality (low voltage)

TYPICAL MALFUNCTION THRESHOLDS TABLE - MASS AIR FLOW METER RATIONALITY (LOW VOLTAGE)

Engine speed	More than 300 rpm
Fuel cut	OFF