LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belt >> Seat Belt Warning System >> Diagnosis System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis System

  1. DESCRIPTION 
    1. Data of the system can be read in the Data Link Connector 3 (DLC3) of the vehicle. Therefore, when the system seems to be malfunctioning, use the Techstream to check for a malfunction and repair it
  2. CHECK DLC3 
    1. Check the DLC3 (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS )
  3. INSPECT BATTERY VOLTAGE 
    1. Check the battery voltage.

      Standard Voltage: 

      11 to 14 V 

      If the voltage is below 11 V, replace the battery before proceeding

scientia non olet · About LEMON Manuals