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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Control System (2UZ-FE)) >> SFI System >> DTC P0412 Secondary Air Injection System Switching Valve "A" Circuit >> Typical Enabling Conditions

Typical Enabling Conditions

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

All: 

TYPICAL ENABLING CONDITIONS

The monitor will run whenever this DTC is not present -

Case 1: 

TYPICAL ENABLING CONDITIONS CHART

Air pump Operating
Air switching valve Operating
Battery voltage 8 V or more
Ignition switch ON
Starter OFF

Case 2: 

TYPICAL ENABLING CONDITIONS CHART

Air pump Not Operating
Air switching valve Not operating
Battery voltage 8 V or more
Ignition switch ON
Starter OFF