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Home >> Lexus >> 2022 >> LX 600 Premium >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (W/ Canister Pump Module) - Diagnostic Codes (7 Of 9) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P1235-13: High Pressure Fuel Pump Circuit Open [12/2021 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

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%
Battery voltage 10.5 V or higher
Ignition switch ON
Starter Off
Engine Running