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2021
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RX 450h Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostic Codes) (4 Of 8)
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SFI System
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DTC P0403: Exhaust Gas Recirculation Circuit [07/2020 - ]
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Typical Enabling Conditions
Typical Enabling Conditions
Monitor runs whenever the following DTCs are not stored
None
All of the following conditions are met
-
Engine
Running
Auxiliary battery voltage
10.5 V or higher
Time after power switch off to on (IG)
0.5 seconds or more