LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LX 470 >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2UZ-FE) >> Circuit Opening Relay >> On-Vehicle Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

  1. REMOVE CIRCUIT OPENING RELAY (Marking: C/ OPN) 
    1. Remove the engine room relay block cover.
    2. Remove the relay from the engine room relay block.
  2. CHECK CIRCUIT OPENING RELAY 
    1. Measure the resistance of the relay.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      3 - 5 10 kΩ or higher
      3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)

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

  3. INSTALL CIRCUIT OPENING RELAY 
    Fig 1: Checking Circuit Opening Relay
    G04975260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals