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If there is a defect in the sensor or the sensor circuit, the voltage level deviates from the normal operating range, MONITOR STRATEGY MONITOR STRATEGY TYPICAL ENABLING CONDITIONS P2432, P2433, P2437 and P2438 TYPICAL ENABLING CONDITIONS - P2432, P2433, P2437 AND P2438 P2431 and P2436: TYPICAL ENABLING CONDITIONS - P2431 AND P2436 TYPICAL MALFUNCTION THRESHOLDS P2432 and P2437: Related DTCs P2431: Air flow/Pressure sensor circuit rationality P2432: Air Required Sensors/Components Pressure sensor Required Sensors/Components - Frequency of Operation Continuous Duration P2432, P2433, P2437, P2438: 0.5 seconds P2431, P2436: 5 seconds MIL Operation P2432, P2433, P2437, P2438: Immediate P2431, P2436: 2 driving Sequence of Operation None Monitor runs whenever following DTCs not present None All of following conditions met: - Starter OFF Battery voltage 8 V or more Ignition switch ON Monitor runs whenever following DTCs P2432, P2433, P2437, P2438 (Secondary Air Injection System Starter OFF Battery voltage 8 V or more Ignition switch ON
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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