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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Control System (SFI) (M20A-FXS) - Diagnostic Codes (3 Of 6) (Hybrid)) >> SFI System >> DTC P0403-18: Exhaust Gas Recirculation "A" Circuit Current Below Threshold; DTC P040319: Exhaust Gas Recirculation "A" Circuit Current Above Threshold; DTC P140018: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Below Threshold; DTC P140019: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Above Threshold [10/2018 - 10/2020] >> Typical Enabling Conditions

Typical Enabling Conditions

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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