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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 P1441 Stuck Open in Secondary Air Injection Vacuum Switching Valve Bank 1: DTC P1444 Stuck Open in Secondary Air Injection Vacuum Switching Valve Bank 2: DTC P2440 Secondary Air Injection System Switching Valve Stuck Open Bank 1 >> Monitor Strategy

Monitor Strategy

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.
MONITOR STRATEGY

Related DTCs P1441 Air valve bank 1 open stuck
P1444 Air valve bank 2 open stuck
P1441 and P1444 Air valve bank 1 and bank 2 open stuck
P2440 Air valve open stuck
P2440 Air valve bank 1 and bank 2 open stuck
Required sensors/Components (main) AIR valve, AIR VSV bank 1, AIR VSV bank 2
Required sensors/Components (sub) AIR pressure sensor
Frequency of operation Once per driving cycle
Duration 20 seconds
MIL operation 2 driving cycles: P1441 and P1444 Immediate: P2440
Sequence operation None