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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Engine Control System - Diagnostic Codes (02 Of 10)) >> SFI SYSTEM (for Gasoline Model) >> DTC P012F-62: Engine Coolant Temperature/Engine Oil Temperature Signal Compare Failure [10/2022 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
All of the following conditions are met -
Time after ignition switch off 5 hours or more
Engine coolant temperature -10°C (14°F) or higher
Engine oil temperature -10°C (14°F) or higher
Time after ECM started by soak timer 0.5 seconds or more
Ignition switch Off
Battery voltage Higher than 8 V
Engine coolant temperature sensor circuit fail (P0117, P0118) Not detected
Engine oil temperature sensor circuit fail (P0197, P0198) Not detected
Soak timer fail (P2610) Not detected