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Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (Except For STI) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0506: Idle Control System Rpm - Lower Than Expected >> Execution Condition

Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.06 kPa (563 mmHg, 22.2 inHg)
Lambda value (left and right) ≥ 0.85
and
< 1.151
Engine coolant temperature ≥ 60°C (140°F)
Vehicle speed = 0 km/h (0 MPH)
Elapsed time after starting the engine ≥ 10 s
Accelerator pedal position = 0%
Time of no change in park/neutral position switch ≥ 5 s
Cold start diagnosis Not in operation
Main feedback In operation
Idle speed control feedback In operation