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Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> System >> SFI System - Diagnosis >> DTC P0505: Idle Air Control System >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

IAC Functional Check: 

Fig 1: IAC Functional Check
G01447852Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

IAC Range Check: 

Fig 2: IAC Range Check
G01447853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002