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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Diagnostics) (P0171 To P0685) (H4DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0506 Idle Control System Rpm - Lower Than Expected >> Execution Condition

Execution Condition

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Secondary Parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.1kPa (563mmHg, 22.2in Hg)
Lambda value (left and right) ≥ 0.85 and < 1.151
Vehicle speed = 0 km/h (0 MPH)
Engine coolant temperature ≥ 60°C (140°F)
Elapsed time after starting the engine ≥ 10s
Accelerator pedal position = 0%
Elapsed time after gear position change (P ←→ D or N ←→ D) > 5s
Cold start diagnosis Not in operation
Main feedback In operation
Idle speed control feedback In operation