Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2017 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System (Service Information) >> Air Fuel Ratio Sensor >> Inspection [07/2015 - ] >> Procedure

Inspection [07/2015 - ]: Procedure

  1. INSPECT AIR FUEL RATIO SENSOR (for Bank 1) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY649411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HA1A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 Ω
      1 (HA1A) - 4 (A1A-) - 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Air Fuel Ratio Sensor)

      If the result is not as specified, replace the air fuel ratio sensor.

  2. INSPECT AIR FUEL RATIO SENSOR (for Bank 2) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY652180Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HA2A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 Ω
      1 (HA2A) - 4 (A2A-) - 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Air Fuel Ratio Sensor)

      If the result is not as specified, replace the air fuel ratio sensor.

scientia non olet · About Mike's Workshop Manuals