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Home >> Lexus >> 2008 >> GS 460 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (1UR-FSE) - Circuit Tests And Repair Information >> INJ2 Relay >> On-Vehicle Inspection

On-Vehicle Inspection

  1. REMOVE COOL AIR INTAKE DUCT SEAL  (See REMOVAL )
  2. REMOVE ENGINE ROOM SIDE COVER LH  (See REMOVAL )
  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  4. REMOVE INJ2 RELAY 
    1. Remove the air fuel ratio sensor relay from the engine room No. 2 relay block.
  5. INSPECT INJ2 RELAY 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTIONS SPECIFIED CONDITIONS CHART

      Tester Connection Condition Specified Condition
      3 - 4 No battery voltage is applied to terminals 1 and 2 10 kΩ or higher
      3 - 4 Battery voltage is applied to terminals 1 and 2 Below 1 Ω

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

      Fig 1: INJ2 Relay Circuit Diagram
      G05192416Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL INJ2 RELAY 
  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  8. INSTALL ENGINE ROOM SIDE COVER LH  (See INSTALLATION )
  9. INSTALL COOL AIR INTAKE DUCT SEAL  (See INSTALLATION )
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