Printed-Heater Lines Check

2007 Mitsubishi Endeavor SE, FWDSECTION Printed-Heater Lines Check
  1. Run the engine at 2,000 r/min. Check the heater element with the battery at full.
  2. Turn "ON" the rear window defogger switch. Measure the heater element voltage with an ohmmeter at the rear window glass center A. Condition is good if it indicates about 6 V.
    Fig 1: Measuring Rear Window Glass Heater Element Voltage
    G04289756Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  3. If 12 V is indicated at A, there is a break in the negative terminals from A. Move the test probe slowly to the negative terminal to detect where voltage changes suddenly (0V).
  4. If 0 V is indicated at A, there is a break in the positive terminals from A. Defect where the voltage changes suddenly (12 V) in the same method described above.
    Fig 2: Voltage Changes Graph
    G04289757Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
RENDER: 1.0x

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When to See a Mechanic

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

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