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Last Modified: 9-16-2014 6.6 C Doc ID: RM0000012FY05CX Model Year: 2015 Model: Tundra Prod Date Range: [08/2014 - ] Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0412,P0415; Secondary Air Injection System Switching Valve "A" Circuit; 2015 MY Tundra [08/2014 - ] DTC P0412 Secondary Air Injection System Switching Valve "A" Circuit DTC P0415 Secondary Air Injection System Switching Valve "B" Circuit DESCRIPTION The AID drives the ASV and the air pump according to command signals transmitted by the ECM. The pressure sensor detects the pressure in the secondary air passage when the AIR system is ON and OFF, and transmits a pressure signal to the ECM. The AID is not only equipped to drive the pump and valve, but also with a diagnosis function to detect malfunctions in the AIR system circuit. HINT: As a large current is required to drive the air pump and ASV, an AID is installed to this system. DTC NO. DTC DETECTION CONDITION TROUBLE AREA 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0412,P0415... |