DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 86 (Engine Control System (A25A-FXS) - Diagnostic Codes (P05B1-06DA)) >> SFI System >> DTC P05B1-12: Active Grille Air Shutter "B" Circuit Short to Battery; DTC P05B1-14: Active Grille Air Shutter "B" Circuit Short to Ground or Open; DTC P05B1-31: Active Grille Air Shutter "B" No Signal [12/2019 - 10/2021] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
P05B2

Number of active grille air shutter motor speed sensor 1 signal pulse Less than 1 time
P05B3

Either of the following conditions is met 1 or 2
1. Both of the following conditions are met -
Number of active grille air shutter motor speed sensor 1 signal pulse Several
Active grille air shutter motor speed sensor 2 terminal voltage level High
2. Both of the following conditions are met -
Number of active grille air shutter motor speed sensor 2 signal pulse Several
Active grille air shutter motor speed sensor 1 terminal voltage level High
P05B4

Either of the following conditions is met 1 or 2
1. Both of the following conditions are met -
Number of active grille air shutter motor speed sensor 1 signal pulse Several
Active grille air shutter motor speed sensor 2 terminal voltage level Low
2. Both of the following conditions are met -
Number of active grille air shutter motor speed sensor 2 signal pulse Several
Active grille air shutter motor speed sensor 1 terminal voltage level Low