LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System (SFI) - Diagnostics (2AZ-FE)) >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
TYPICAL ENABLING CONDITIONS SPECIFICATIONS

The monitor will run whenever the following DTCs are not present See LIST OF DISABLE A MONITOR 
Accumulated time that the following conditions are met 30 sec.
Battery voltage 11 V or more
IAT -10°C (14°F) or more
Idle OFF
MAF 8 to 35 g/ sec.
RPM Less than 4,500 rpm
ECT 75°C (167°F) or more
Estimated catalyst temperature 550 to 910°C (1,022 to 1,652°F)
Fuel system status Closed Loop
A/F sensor voltage 3 to 3.5 V