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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Control System (3UR-FBE) - Diagnostic Codes (6 Of 6)) >> SFI System >> DTC P2440: Secondary Air Injection System Switching Valve Stuck Open Bank1; DTC P2441: Secondary Air Injection System Switching Valve Stuck Close Bank1; DTC P2442: Secondary Air Injection System Switching Valve Stuck Open Bank 2; DTC P2443: Secondary Air Injection System Switching Valve Stuck Closed Bank 2 [10/2016 - 08/2017] >> Monitor Strategy

Monitor Strategy

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Related DTCs P2440: Air control valve stuck open
P2441: Air control valve stuck closed
P2442: Air control valve stuck open
P2443: Air control valve stuck closed
Required Sensors/Components (Main) Pressure sensor
Required Sensors/Components (Related) -
Frequency of Operation Once per drive cycle
Duration 2 seconds: P2440 Case 2, P2442 Case 2
7 seconds: Others
MIL Operation 1 driving cycle: P2440, P2442 (AIR valve is stuck open) [Case 2]
2 driving cycles: P2440, P2442 (AIR valve is stuck open) [Case 1], P2441, P2443 (AIR valve is stuck closed)
Sequence of Operation None
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