Evaporator Temperature Sensor Test

2002 Honda Civic SiSECTION Evaporator Temperature Sensor Test
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. Dip the sensor in ice water, and measure the resistance between its terminals.
    Fig 1: Dipping Sensor In Ice Water & Measuring Resistance Between Its Terminals
    G01519985Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Then pour warm water on the sensor, and check for a change in resistance.
  3. Compare the resistance readings with the specifications shown in the graph; the resistance should be within the specifications.
Fig 2: Evaporator Temperature Sensor Temperature-To-Resistance Chart
G01519986Courtesy of AMERICAN HONDA MOTOR CO., INC.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.