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Home >> Chevrolet >> 2019 >> Cruze Premier, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P057B-P208D)) >> Diagnostic Information and Procedures >> DTC P2081, P2085, P242B, P242E, P2472, or P2484 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Disconnect the appropriate electrical connector: B131 Exhaust Temperature Sensor
    3. NOTE:

    Use the special tool: J-25070 Heat Gun 260 to 400°C (500 to 750°F)

  3. Test the resistance between the test points: Signal circuit terminal 1 & Low Reference circuit terminal 2
  4. Verify the value is within the range listed in the table: Temperature Versus Resistance - Engine Coolant Temperature Sensor
    • If not in the specified range 

      Replace the component: B131 Exhaust Temperature Sensor

    • Go to next step: If in the specified range 
  5. Test for infinite resistance between the test points: Each terminal of the component & The component's housing
    • If less than infinite resistance 

      Replace the component: B131 Exhaust Temperature Sensor

    • Go to next step: If infinite resistance 
  6. All OK.
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