LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Engine Control System (A25A-FXS) - Diagnostic Codes (09 Of 20)) >> 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 [06/2018 - 07/2019] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
ALL

Both of the following conditions are met -
Auxiliary battery voltage 10.5 V or higher
Time after power switch off to on (IG) 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