Monitor Description
WARNING: This page is about a different car, the 2025 Toyota RAV4, 2024 Toyota RAV4, 2023 Toyota RAV4, 2022 Toyota RAV4, and 2021 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
- Hall IC Signal Malfunction
If the grille shutter ECU (swing grille actuator assembly) detects a stuck high or stuck low signal from either hall IC1 or hall IC2, it will output a malfunction signal to the ECM and the ECM will store a DTC.
Detection Condition DTC No. Short to +B (Stuck High) P05B1-12 (Active Grille Air Shutter "B" Circuit Short to Battery) Open or Short to Ground (Stuck Low) P05B1-14 (Active Grille Air Shutter "B" Circuit Short to Ground or Open) - Hall IC Signal Reception Malfunction
If the grille shutter ECU (swing grille actuator assembly) detects a stuck high or stuck low signal from both hall IC1 and hall IC2, it will output a malfunction signal to the ECM and the ECM will store a DTC.
Detection Condition DTC No. Abnormal Signal (Hall IC1 and Hall IC2) P05B1-31 (Active Grille Air Shutter "B" No Signal)