DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 87 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0520-P05A2)) >> SFI System >> DTC P05A2-11: Active Grille Air Shutter "A" Circuit Short to Ground; DTC P05A2-12: Active Grille Air Shutter "A" Circuit Short to Battery; DTC P05A2-13: Active Grille Air Shutter "A" Circuit Open [12/2019 - 10/2021] >> Monitor Description

Monitor Description

WARNING: This page is about a different variant/trim than selected.
  1. Grille Shutter Motor (Swing Grille Actuator Assembly) Malfunction

    If the grille shutter ECU (swing grille actuator assembly) detects a malfunction in the grille shutter motor drive circuit when a grille shutter operation is requested, it will output a malfunction signal to the ECM and the ECM will store a DTC.

    Detection Condition DTC No.
    Short to Ground P05A2-11 (Active Grille Air Shutter "A" Circuit Short to Ground)
    Short to +B P05A2-12 (Active Grille Air Shutter "A" Circuit Short to Battery)
    Open P05A2-13 (Active Grille Air Shutter "A" Circuit Open)
  2. Grille Shutter ECU Internal Malfunction

    If the grille shutter ECU detects an internal malfunction, it will output a malfunction signal to the ECM and the ECM will store a DTC.

    Detection Condition DTC No.
    EEPROM Malfunction P05A2-13 (Active Grille Air Shutter "A" Circuit Open)
    Analog/Digital Conversion Malfunction