LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2010 >> IS 250C Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control (Diagnostic Codes (P0171-P062F) >> SFI System >> DTC P0505: Idle Control System Malfunction >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Either of the following conditions is met: Condition 1 or 2
1. Frequency that both of the following conditions (a) and (b) are met: 5 times or more
(a) Either of the following conditions is met: Condition A or B
A. Engine speed - target engine speed Below -100 RPM, or more than 200 RPM (A/C off and NSW off)
B. Engine speed - target engine speed Below -100 RPM, or more than 200 RPM (A/C on or NSW on)
(b) Vehicle condition Stop after vehicle was driven by 6.25 mph (10 km/h) or more
2. Frequency that both of the following conditions (c) and (d) are met: Once
(c) Either of the following conditions is met: Condition A or B
A. Engine speed - target engine speed Below -100 RPM, or more than 200 RPM (A/C off and NSW off)
B. Engine speed - target engine speed Below -100 RPM, or more than 200 RPM (A/C on or NSW on)
(d) Idle air control flow rate learning valve 1.22 L/sec. or less, or 7.8 L/sec. or more