LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2015 >> Prius One >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Diagnostic Codes (P0300-P0657)) (Except Plug-In)) >> SFI System >> DTC P0505: Idle Control System Malfunction [08/2014 - ] >> Typical Malfunction Thresholds
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
Either of the following condition is met 1 or 2
1. Both of the following conditions A and B are met -
A. Engine speed - Target engine speed Less than -100 rpm, or higher than 150 rpm
B. IAC flow rate learned value 0.5 L/sec. or less, or 6.1 L/sec. or more for 5 seconds or more
2. Both of the following conditions C and D are met -
C. Frequency that both of the following conditions (a) and (b) are met 5 times or more
(a) Engine speed - Target engine speed Less than -100 rpm, or higher than 150 rpm
(b) Vehicle condition Stopped after being driven at 10 km/h (6.25 mph) or more
D. Either of the following condition is met (c) or (d)
(c) Amount of change IAC flow rate learning value +1.837 L/sec. or more, or -3.08 L/sec. or less
(d) IAC flow rate learning value 0.5 L/sec. or less, or 6.1 L/sec. or more