Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
CASE 1, CASE2, CASE5
| Engine stop and start ECU starter relay voltage | Higher than [Battery voltage x 0.44] V |
CASE 3
| Either of the following conditions (a) or (b) is met | - |
| (a) Engine stop and start ECU starter relay voltage | [Battery voltage x 0.44] V or less |
| (b) Engine stop and start ECU starter relay voltage | [Battery voltage x 0.88] V or higher |
CASE 4
| Engine stop and start ECU starter relay voltage | Less than [Battery voltage x 0.88] V |
CASE 6
| Engine stop and start ECU starter relay terminal voltage level | Low |
CASE 6
| Starter relay overcurrent | Detected |