DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 111 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0466-P0520)) >> SFI System >> DTC P0505-00: Idle Control System [11/2023 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different variant/trim than selected.

The ECM monitors the idle speed and idling air flow volume to conduct idle speed control. The ECM determines that the idle speed control system is malfunctioning if either of the following conditions is met: