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Test 2: Left Front Window Inoperative

  1. Turn ignition switch to RUN position. Using DVOM connected to ground, backprobe at master window switch assembly connector (C1 on 4 door models) Brown wire terminal. See WIRING DIAGRAMS  . Press left front window switch on master window switch assembly to DOWN position. If battery voltage is present, go to next step. If battery voltage is not present, go to step  4 .
  2. Using DVOM connected to ground, backprobe at master window switch assembly connector (C1 on 4 door models) Dark Blue wire terminal. Press left front window switch on master window switch assembly to UP position. If battery voltage is present, go to next step. If battery voltage is not present, go to step  4 .
  3. Disconnect left front window motor harness connector. Using DVOM connected to ground, measure voltage at left front window motor harness connector terminal "A" (Brown wire). Press left front window switch on master window switch assembly to DOWN position. If battery voltage is present, go to step  5 . If battery voltage is not present, go to step  6 .
  4. Replace master window switch assembly. See WINDOW & DOOR LOCK SWITCHES  under REMOVAL & INSTALLATION. Recheck system operation.
  5. Using DVOM connected to ground, measure voltage at left front window motor connector terminal "B" (Dark Blue wire). Press left front window switch on master window switch assembly in UP position. If battery voltage is present, go to step  7 . If battery voltage is not present, go to step  8 .
  6. Repair open in Brown wire between master window switch assembly and left front window motor connector terminal "A". See WIRING DIAGRAMS  . Recheck system operation.
  7. Replace left front window motor. See WINDOW MOTOR  under REMOVAL & INSTALLATION. Recheck system operation.
  8. Repair open in Dark Blue wire between master window switch assembly and left front window motor connector terminal "B". Recheck system operation.
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