Typical Enabling Conditions
WARNING: This page is about a different variant/trim than selected.
P2237 AND P2238
| Monitor runs whenever the following DTCs are not stored | P0010, P1360, P1362, P1364, P1366, P2614 (Motor drive VVT system control module) P0011 (VVT system - advance) P0012 (VVT system - retard) P0013 (Exhaust VVT oil control solenoid) P0014 (Exhaust VVT system - advance) P0015 (Exhaust VVT system - retard) P0016 (VVT system - misalignment) P0017 (Exhaust VVT system - misalignment) P0031, P0032, P101D (Air fuel ratio sensor (sensor 1) heater) P0037, P0038, P102D (Air fuel ratio sensor (sensor 2) heater) P0087, P0088, P0191, P0192, P0193 (Fuel pressure sensor (for high pressure side)) P0101, P0102, P0103 (Mass air flow meter) P0106, P0107, P0108 (Manifold absolute pressure) P0111, P0112, P0113 (Intake air temperature sensor) P0116, P0117, P0118 (Engine coolant temperature sensor) P0121, P0122, P0123, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0128 (Thermostat) P0136, P013A, P2270, P2271, P22AB, P22AC, P22AD, P22B3, P22B4 (Air fuel ratio sensor (sensor 2)) P0171, P0172 (Fuel system) P0201, P0202, P0203, P0204, P062D, P21CF, P21D0, P21D1, P21D2 (Fuel injector) P0300, P0301, P0302, P0303, P0304 (Misfire) P0327, P0328 (Knock control sensor) P0335, P0337, P0338 (Crankshaft position sensor) P0340, P0342, P0343 (Camshaft position sensor) P0365, P0367, P0368 (Exhaust camshaft position sensor) P0400 (EGR system) P0401 (EGR system (closed)) P0441 (EVAP system) P0489, P0490 (EGR control circuit) P0657, P0658, P2102, P2103, P2111, P2112, P2119 (Throttle actuator) P107B, P107C, P107D (Fuel pressure sensor (for low pressure side)) P11EA, P11EC, P11ED, P11EE, P11EF, P219A, P219C, P219D, P219E, P219F (Air-fuel ratio imbalance) P1235 (High pressure fuel pump circuit) P2228, P2229 (Atmospheric pressure sensor) |
P2237: AIR FUEL RATIO SENSOR (SENSOR 1) CIRCUIT CONTINUITY CHECK (CIRCUIT OPEN)
| Engine | Running |
| Auxiliary battery voltage | 11 V or higher |
| Ignition switch | ON |
| Time after ignition switch off to ON | 5 seconds or more |
P2238: AIR FUEL RATIO SENSOR (SENSOR 1) IMPEDANCE CHECK (HIGH IMPEDANCE)
| Fuel cut | Not executed |
P2238 AND P2239: AIR FUEL RATIO SENSOR (SENSOR 1) RANGE CHECK (A1A+ LOW VOLTAGE, A1A+ HIGH VOLTAGE)
| Auxiliary battery voltage | 10.5 V or higher |
| Ignition switch | ON |
| Time after ignition switch off to ON | 0.5 seconds or more |
| Air fuel ratio sensor (sensor 1) circuit fail (P2237) | Not detected |
| Air fuel ratio sensor (sensor 1) positive/negative current control circuit correlation fail (P2238, P2239) | Not detected |
| Air fuel ratio sensor (sensor 1) negative current control circuit range check fail (P2252, P2253) | Not detected |
P2238 AND P2239: AIR FUEL RATIO SENSOR (SENSOR 1) CORRELATION (A1A+ AND A1A-)
| Auxiliary battery voltage | 10.5 V or higher |
| Ignition switch | ON |
| Time after ignition switch off to ON | 0.5 seconds or more |
| Air fuel ratio sensor (sensor 1) circuit fail (P2237) | Not detected |
| Air fuel ratio sensor (sensor 1) positive current control circuit range check fail (P2238, P2239) | Not detected |
| Air fuel ratio sensor (sensor 1) negative current control circuit range check fail (P2252, P2253) | Not detected |
P2252 AND P2253: AIR FUEL RATIO SENSOR (SENSOR 1) RANGE CHECK (A1A- LOW VOLTAGE, A1A- HIGH VOLTAGE)
| Auxiliary battery voltage | 10.5 V or higher |
| Ignition switch | ON |
| Time after ignition switch off to ON | 0.5 seconds or more |
| Air fuel ratio sensor (sensor 1) circuit fail (P2237) | Not detected |
| Air fuel ratio sensor (sensor 1) positive/negative current control circuit correlation fail (P2238, P2239) | Not detected |
| Air fuel ratio sensor (sensor 1) positive current control circuit range check fail (P2238, P2239) | Not detected |