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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 44 (Engine Control System (Plug-In) (Diagnostic Codes (P0010-P0454))) >> SFI System >> DTC P0403: Exhaust Gas Recirculation Control Circuit >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
One of the following conditions is met Conditions A, B, C or D
A. All of the following conditions are met -
EGR1 output terminal voltage Low
Either of the following conditions is met 1 or 2
1. Step motor Driving
2. EGR1 Not operating
B. All of the following conditions are met -
EGR2 output terminal voltage Low
Either of the following conditions is met 3 or 4
3. Step motor Driving
4. EGR2 Not operating
C. All of the following conditions are met -
EGR3 output terminal voltage Low
Either of the following conditions is met 5 or 6
5. Step motor Driving
6. EGR3 Not operating
D. All of the following conditions are met -
EGR4 output terminal voltage Low
Either of the following conditions is met 7 or 8
7. Step motor Driving
8. EGR4 Not operating