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F9: Heated O2 Sensor Short Circuit To Ground

  1. With EM023 disconnected measure the insulation resistance between sensor pin 001 and sensor body.
  2. Repeat for pin 003 and sensor body
    Fig 1: Measuring Resistance Between Sensor Pin 001 And Sensor Body
    G04355516Courtesy of JAGUAR CARS, INC.
    • Is the resistance > 10 MOHM? 

    Yes  : GO to F11 

    No  : Renew the O2 sensor and reconnect plug(s)

    GO to F10 

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