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Home >> Toyota >> 2009 >> Tundra Base, 4.0 U >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Control System (2TR-FE)) >> SFI System >> DTC P0418 Secondary Air Injection System Control "A" Circuit >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2009 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

Case 1: 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present -
Secondary air injection system Operating
Battery voltage 8 V or more
Ignition switch ON
Time after ignition switch OFF to ON More than 0.5 seconds
Starter OFF
Time after starter turned from ON to OFF More than 0.5 seconds

Case 2: 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present -
Secondary air injection system Not operating
Battery voltage 8 V or more
Ignition switch ON
Time after ignition switch OFF to ON More than 0.5 seconds
Starter OFF
Time after starter turned from ON to OFF More than 0.5 seconds