LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1993 >> SC 300 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Introduction >> Diagnostic Trouble Codes >> Code 31 (GS300 & SC300)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Code 31 (GS300 & SC300)

Condition is: no airflow meter signal to ECM for 2 seconds with engine speed more than 300 RPM and engine stalls. Probable cause: open or short in airflow meter circuit, defective airflow meter or defective ECM.