Hyundai Tucson LM Quiz
Body Electrical System

Sunroof Motor Repair Procedures

In this manual: Body Electrical System
General Information — 1Engine Mechanical System — 44Engine Electrical System — 45Emission Control System — 24Engine Control System/Fuel System — 93Clutch System — 13Manual Transmission — 18Automatic Transmission — 87Four-Wheel Drive (4WD) System — 26Drive Shaft and Axle — 29Suspension System — 35Steering — 20Restraints — 47Brake System — 36Body (Interior and Exterior) — 53Body Electrical System — 202Heating, Ventilation, and Air Conditioning — 58
20steps
~120min
4/5difficulty
Done 0 of 20

Replacement

  1. Disconnect the negative (-) battery terminal.
  2. Remove the headliner. (Refer to Group BD - "Roof Trim")
  3. Remove the sunroof motor (A) after disconnecting the connector (10-pin).
  4. Ground the terminals as shown in the table below and check that the sunroof operates as shown in the table below.
  5. Perform these input tests at the sunroof wire harness motor connector. If any test indicates a problem, locate and correct the cause, then recheck the system. If all input tests are normal, the sunroof motor must be faulty; replace it.
    Terminal Test Conditions Test: Expected Result
    3 IG2 ON Check the voltage to ground:
    There should be battery voltage
    1 Under any condition Check continuity to ground:
    Continuity should be present.
    6 Under any condition Check voltage to ground:
    Battery voltage should be present.
  6. Perform these input tests at the sunroof wire harness console connector. If any test indicates a problem, locate and correct the cause, then recheck the system. If all input tests are normal, the sunroof motor must be faulty; replace it.
    Terminal Test Conditions Test: Expected Result
    3 IG2 ON Check the voltage to ground:
    There should be battery voltage
    1 Under any condition Check the continuity of the ground connection:
    There should be continuity.
    2 Under any condition Check the voltage to ground:
    There should be battery voltage.
  7. Turn the ignition switch to ON and fully close the panoramic sunroof.
  8. Release the sunroof control lever.
  9. Press and hold the CLOSE button for more than 10 seconds until the sunroof moves slightly.
  10. Release the sunroof control lever.
  11. Press and hold the CLOSE button again until the sunroof does the following:
    A. Tilt > Slide Open > Slide Close, then release the switch.
  12. The panoramic roof reset procedure is complete.
  13. The sunroof ECU determines the motor operating time.
  14. The motor can operate continuously for the 1st operating time (120 ± 10 sec.).
  15. The motor, which operates continuously, stops after the 1st operating time (120 ± 10 s).
  16. The motor then stays off for the 1st cooling time (18 ± 2 sec.).
  17. The motor operates for the 2nd operating time (10 ± 2 sec.) when motor operation continues after the 1st cooling time (18 ± 2 sec.).
  18. The motor, which operates continuously, stops after the second start (10 ± 2 s).
  19. The motor does not operate for the 2nd cooling time (18 ± 2 sec.).
  20. The motor repeats the 2nd operating time and 2nd cooling time while motor operation continues.
    A. If the motor does not operate continuously, the operating time limit for motor overheat protection is increased.
    B. The motor operating time resets to "0" if the battery or fuse is reconnected after being disconnected, discharged, or blown.
    T1: 120 ± 10 sec., T2: 18 ± 2 sec., T3: 10 ± 2 sec., T4: 18 ± 2 sec.
Sunroof Reset Whenever the vehicle battery is disconnected or discharged, or you use the emergency handle to operate the sunroof, you must reset the sunroof system as follows: Overheat Protection of the Sunroof Motor To protect the sunroof motor from overheating during continuous operation, the sunroof ECU monitors the operating time and cooling time of the motor as described below:

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