DTC P1440 Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 1: DTC P1443 Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 2: Wiring Diagram
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.
Refer to DTC P0412 .