Typical Enabling Conditions
FUEL TRIM
| Monitor runs whenever following DTCs are not present | P0010, P0020 (Camshaft timing oil control valve assembly bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust camshaft timing oil control valve assembly bank 1, 2) P0014, P0024 (Exhaust VVT system bank 1, 2 - advance) P0015, P0025 (Exhaust VVT system bank 1, 2 - retard) P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052, P101D, P103D (Air fuel ratio sensor heater) P0102, P0103 (Mass air flow meter) 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) P0335 (Crankshaft position sensor) P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor) P0500 (Vehicle speed sensor) P219A, P219B (Air fuel ratio imbalance) |
| Fuel system status | Closed-loop |
| Battery voltage | 11 V or more |
| Either of the following conditions is met: | Condition 1 or 2 |
| 1. Engine speed | Less than 1100 RPM (except U880F) Less than 1000 RPM (for U880F) |
| 2. Intake air amount per revolution | 0.22 g/rev or more (except U880F) 0.3213 g/rev or more (for U880F) |
| Catalyst monitor | Not executed |