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Diagnosis And Testing - Sunroof Switch

Fig 1: Sunroof Switch Terminals
GC0153299Courtesy of CHRYSLER GROUP, LLC
  1. Disconnect and isolate the battery negative cable.
  2. Remove the power sunroof switch from the headliner. Refer to SWITCH, SUNROOF, REMOVAL .
  3. Disconnect the sunroof wire harness connector from the sunroof switch connector receptacle.
  4. Using a multimeter, test the continuity between the terminals of the sunroof switch connector receptacle while actuating the switch as shown in the Sunroof Switch Tests chart .
    SUNROOF SWITCH TESTS
    SWITCH POSITION CONTINUITY BETWEEN PINS
    OFF NO CONTINUITY
    CLOSE 1 and 2
    OPEN 1 and 3
    SWITCH ILLUMINATION LED - SET MULTIMETER TO DIODE MODE - CONNECT PIN 4 TO PLUS (+), CONNECT PIN 1 TO MINUS (-) - LED SHOULD BARELY GLOW
  5. If the switch fails any of the tests, replace the ineffective switch.