FixVault
Home › Lexus › 2003 › IS 300 Base, Automatic › Repair and Diagnosis › Accessories & Equipment › Communication Devices › Body Control System › Circuit Tests › Power Window Switch Circuit › Inspection Procedure

Inspection Procedure

  1. Check the power window switch. See POWER WINDOW SWITCH under COMPONENT TESTS under POWER WINDOWS article under WINDOWS in ACCESSORIES & EQUIPMENT. If the results are OK, go to the next step. If the results are not OK, replace the power window switch.
  2. Check the wiring harness and connector between the power window switch and body ECU. See WIRING DIAGRAMS . If the results are OK, go to the next step. If the results are not OK, repair or replace wiring harness or connector.
  3. Check the wiring harness and connector between the power window switch and body ground. See WIRING DIAGRAMS . If the results are OK, the circuit is OK. Further diagnosis is needed. If the results are not OK, repair or replace the wiring harness or connector.
About FixVault