DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0400-P0450)) >> SFI System >> DTC P0403-18: Exhaust Gas Recirculation "A" Circuit Current Below Threshold; DTC P0403-19: Exhaust Gas Recirculation "A" Circuit Current Above Threshold; DTC P1400-18: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Below Threshold; DTC P1400-19: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Above Threshold [12/2019 - 10/2022] >> Typical Enabling Conditions

Typical Enabling Conditions

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

Both of the following conditions are met -
Auxiliary battery voltage 10.5 V or higher
Time after ignition switch off to ON 0.5 seconds or more
P0489: EGR A CIRCUIT RANGE CHECK (LOW VOLTAGE)

Exhaust gas recirculation control circuit motor phase A high current fail (P0490) Not detected
P0489: EGR B CIRCUIT RANGE CHECK (LOW VOLTAGE)

Exhaust gas recirculation control circuit motor phase B high current fail (P0490) Not detected
P0490: EGR A CIRCUIT RANGE CHECK (HIGH CURRENT)

Exhaust gas recirculation control circuit motor phase A low voltage fail (P0489) Not detected
P0490: EGR B CIRCUIT RANGE CHECK (HIGH CURRENT)

Exhaust gas recirculation control circuit motor phase B low voltage fail (P0489) Not detected