LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> LS 430 >> Repair and Diagnosis >> Engine Performance >> System >> SFI System - Diagnostics >> DTC P0116: Engine Coolant Temp. Circuit Range/Performance Problem >> Typical Malfunction Thresholds
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

ECT sensor stuck (low ECT): 

TYPICAL MALFUNCTION THRESHOLDS TABLE - (LOW ECT)

ECT change Less than 3°C (5.4°F)

ECT sensor stuck (high ECT): 

TYPICAL MALFUNCTION THRESHOLDS TABLE - (HIGH ECT)

ECT change 1°C (1.8°F) or less