INTERMITTENT CONCERN TROUBLESHOOTING [POWER WINDOW SYSTEMS (AUTO-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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