LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> EFI Relay >> Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

EFI Relay: Inspection

  1. INSPECT EFI RELAY 
    1. Check the resistance.
      1. Using an ohmmeter, measure the resistance between the terminals.

        Standard resistance 

        STANDARD RESISTANCE

        Tester Connection Specified Condition
        3-5 10 kΩ or higher
        3-5 Below 1 Ω (Apply battery voltage to terminals 1 and 2)
        Fig 1: Inspecting EFI Relay
        G04968247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the result is not as specified, replace the EFI relay.