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Home >> Subaru >> 2023 >> WRX Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P023F: Fuel Pump Secondary Circuit/Open >> General Description >> Execution Condition

Execution Condition

SECONDARY PARAMETERS AND EXECUTION CONDITION - DIAGNOSIS 1 (POWER SUPPLY SHORT)

Secondary parameters Execution condition
Battery voltage 9.44 V or more
FET and SW statuses Status A
SECONDARY PARAMETERS AND EXECUTION CONDITION - DIAGNOSIS 2 (GROUND SHORT)

Secondary parameters Execution condition
Battery voltage 9.44 V or more
FET and SW statuses Status B
SECONDARY PARAMETERS AND EXECUTION CONDITION - DIAGNOSIS 3 (OPEN CIRCUIT)

Secondary parameters Execution condition
Battery voltage 9.44 V or more
FET and SW statuses Status A (condition 1)
Status B (condition 2)
SECONDARY PARAMETERS AND EXECUTION CONDITION - DIAGNOSIS 4 (SHORT CIRCUIT, OVERCURRENT)

Secondary parameters Execution condition
Battery voltage 9.44 V or more
FET and SW statuses Status C
FET AND SW STATUSES

Condition FET1 FET2 SW1 SW2
Status A OFF OFF OFF ON
Status B OFF OFF ON OFF
Status C ON ON OFF OFF