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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 933 (Engine Control System - Diagnostic Codes (2 Of 3)) >> 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 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

The monitor will run whenever this DTC is not present -

Case 1: 

TYPICAL ENABLING CONDITIONS TABLE - CASE 1

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

Case 2: 

TYPICAL ENABLING CONDITIONS TABLE - CASE 2

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