LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> GS 450h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0327 - P1235 >> DTC P0505 Idle Control System Malfunction >> Typical Malfunction Thresholds
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

Functional check: 

TYPICAL MALFUNCTION THRESHOLDS

Either of following conditions 1 or 2 is met: -
1. Frequency that following conditions (a) and (b) are met: 5 time or more
(a) Engine RPM - target engine RPM Below-100 rpm
(b) Vehicle condition Stop after vehicle was driven by 6.25 mph (10 km/h) or more
2. Frequency that following conditions: Once
ISC flow rate learning value 1.3 L/sec. or less, or 10.3 L/sec. or more