LEMON Manuals
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Lexus
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2021
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LS 500 Base, AWD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Control System - Diagnostic Codes (07 Of 14)
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SFI System
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DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1; DTC P0430-00: Catalyst System Efficiency Below Threshold Bank 2 [12/2017 - 10/2020]
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Typical Malfunction Thresholds
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Typical Malfunction Thresholds
Oxygen Storage Capacity (OSC) of catalyst (Normalized)
Less than 1