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Home >> Jeep >> 2021 >> Cherokee High Altitude, Full Time T/Case Control >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Windows (Service Information) >> Switch, Power Window >> Diagnosis And Testing >> Front Door - Driver Side
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Front Door - Driver Side

Any diagnosis of the power window system should begin with the use of the scan tool. For information on the use of the scan tool, refer to the appropriate Diagnostic information . 

The diagnosis found here applies to the driver side power window switches. If the problem being diagnosed is an inoperative power window switch illumination lamp, but the power window switch operates as designed, replace the faulty door power window switch.

For complete circuit diagrams, refer to the appropriate wiring information.

  1. Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
  2. Remove the power window switch from the door trim panel. Refer to SWITCH, POWER WINDOW, REMOVAL .
  3. Refer to the appropriate wiring diagram connector pin outs for the switch and check the door power window switch continuity as shown in illustration in the power window switch test chart below.
All SMART MOTOR WINDOW SWITCH RESISTANCE VALUES
Mode Low Limit Nominal High Limit
Up / Auto Up 228 Ohm 235 Ohm 240 Ohm
Down / Auto Down 228 Ohm 235 Ohm 240 Ohm