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TYPICAL ENABLING CONDITIONS P2237, P2238, P2240 and P2241: Monitor runs whenever following DTCs not present P0016, P0018 (VVT System - Misalignment) P0017, P0019 (Exhaust VVT System - Misalignment) P0031, P0032, P0051, P0052, P101D, P103D (Air fuel ratio sensor heater) P0102, P0103 (Mass air flow meter) P0112, P0113 (Intake air temperature sensor) P0115, P0117, P0118 (Engine coolant temperature sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0128 (Thermostat) P0171, P0172, P0174, P0175 (Fuel system) P0301 - P0308 (Misfire) P0335 (Crankshaft position sensor) P1340 (Camshaft position sensor) P0412, P0415, P0418, P0419, P1613, P1614 (Secondary air injection system control) P0451, P0452, P0453 (EVAP system) P2440 - P2447 (Secondary air injection system) P0500, P0722 (Vehicle Speed Sensor) P0505 (IAC valve) P2239, P2242, P2252, P2253, P2255 and P2256: Monitor runs whenever following DTCs not present None A/F sensor - open circuit between A1A+ and A1A-/A2A+ and A2A- Battery voltage 11 V or more Engine Running Estimated sensor temperature 450 to 550°C (842 to 1022°F) for P2237 and P2240 A/F sensor - Low impedance Engine coolant temperature 0°C (0°F) or higher Estimated sensor temperature 700 to 800°C (1292 to 1472°F) for P2238 and P2241 Fuel cut Not executed Other: Battery voltage 11 V or higher Ignition switch ON Timing after ignition switch is OFF to ON 5 seconds or more TYPICAL MALFUNCTION THRESHOLDS 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2237-P223... |