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Front Passenger's Window Switch Circuit

  1. Using scan tool, check for body control ECU DTCs. If DTC B1223 is present, go to next step. If DTC B1223 is not present, check window motor circuit. See WINDOW MOTOR CIRCUIT . Repair as necessary. If window motor circuit is okay, check front passenger's door ECU.
  2. Check window switch. See PASSENGER'S SWITCH  under COMPONENT TESTS. Repair as necessary. If window switch is okay, go to next step.
  3. Check wiring harness and connectors between front passenger's switch and passenger's door ECU. See WIRING DIAGRAMS . Repair as necessary. If wiring harness and connectors are okay, go to next step
  4. Check wiring harness and connectors between front passenger's switch and master switch. See WIRING DIAGRAMS. Repair as necessary. If wiring harness and connectors are okay, check window motor circuit. See WINDOW MOTOR CIRCUIT . If window motor circuit is okay, check front passenger's door ECU.
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