INTERMITTENT CONCERN TROUBLESHOOTING [POWER WINDOW SYSTEMS (WITH EXTERIOR OPEN/CLOSE FUNCTION)]

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Vibration Method

• If a malfunction occurs or becomes worse while driving on a rough road or when the engine is vibrating, perform following the steps:

  Note
  • There are several reasons why vehicle or engine vibration could cause an electrical malfunction. Some of the things to inspect for:
    ― Connectors not fully seated.
    ― Wiring harnesses not having full play.
    ― Wires laying across brackets or moving parts.
    ― Wires routed too close to hot parts.
  • An improperly routed, improperly clamped, or loose wiring harness can cause wiring to become pinched between parts.
  • The connector joints, points of vibration, and places where wiring harnesses pass through the firewall, body panels are the major areas to be inspected.

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Connector Terminal Check Method

1. Inspect the connection condition of each female terminal.

2. Insert the male terminal into the female terminal to inspect for looseness.

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