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Diagnosis And Testing - Window Switch

Remove the switch from its mounting, (Refer to ELECTRICAL/POWER WINDOWS/POWER WINDOW SWITCH - REMOVAL) . Using an ohmmeter, test the window switch for continuity in all positions. Refer to POWER WINDOW SWITCH CONTINUITY  table to determine if continuity is correct. See Fig 1. If the correct results are not obtained, replace the switch.

Fig 1: Power Window Switch
GC0019987Courtesy of DAIMLERCHRYSLER CORP.
POWER WINDOW SWITCH CONTINUITY

SWITCH POSITION CONTINUITY BETWEEN
OFF

PIN 1 AND 4

PIN 2 AND 5

PIN 3 AND 8

DOWN

PIN 1 AND 4

PIN 4 AND 8

PIN 2 AND 5

UP

PIN 1 AND 4

PIN 4 AND 5

PIN 3 AND 8