Typical Enabling Conditions
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
ALL
| Monitor runs whenever the following DTCs are not stored | None |
| Both of the following conditions are met | - |
| Auxiliary battery voltage | 10.5 V or higher |
| Time after ignition switch off to ON | 0.5 seconds or more |
P0489: EGR A CIRCUIT RANGE CHECK (LOW VOLTAGE)
| Exhaust gas recirculation control circuit motor phase A high current fail (P0490) | Not detected |
P0489: EGR B CIRCUIT RANGE CHECK (LOW VOLTAGE)
| Exhaust gas recirculation control circuit motor phase B high current fail (P0490) | Not detected |
P0490: EGR A CIRCUIT RANGE CHECK (HIGH CURRENT)
| Exhaust gas recirculation control circuit motor phase A low voltage fail (P0489) | Not detected |
P0490: EGR B CIRCUIT RANGE CHECK (HIGH CURRENT)
| Exhaust gas recirculation control circuit motor phase B low voltage fail (P0489) | Not detected |