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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Control System - Diagnostic Codes (5 Of 6)) >> SFI System >> DTC P1235-13: High Pressure Fuel Pump Circuit Open [12/2023 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Time after engine start 5 seconds or more
Command to injector driver relay On
Output duty cycle 5 to 95%
Auxiliary battery voltage 10.5 V or higher
Ignition switch ON
Engine Running