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Last Modified: 9-16-2014 6.6 C Doc ID: RM0000013HC052X Model Year: 2015 Model: Tundra Prod Date Range: [08/2014 - ] Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P2443; Secondary Air Injection System Switching Valve Stuck Open Bank1; 2015 MY Tundra [08/2014 - ] 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 DESCRIPTION Refer to DTC P0412
. DTC NO. DTC DETECTION CONDITION TROUBLE AREA P2440 Cumulative pressure pulsation is 60 kPa (450 mmHg) or more for 2 seconds (1 trip detection logic). ASV Open or short in ASV circuit Air switching valve assembly (Pressure sensor) Pressure sensor circuit Air Injection Control Driver (AID) ECM The air switching valve (for bank 1) is stuck open for 7 seconds while the engine is running (2 trip detection logic). P2441 The air switching valve (for bank 1) is stuck close for 7 seconds while the engine is running (2 trip detection logic). ASV Open or short in ASV circuit Vacuum hose (ASV - pressure sensor) Air injection hose Air switching valve assembly (Pressure sensor) Pressure sensor circuit Air Injection Control Driver (AID) ECM P2442 Cumulative pressure pulsation is 60 kPa (450 mmHg) or more for 2 seconds (1 trip detection logic). ASV Open or short in ASV circuit Air switching valve assembly (Pressure 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P244... |