Mazda RX-8 Workshop Manual page 3179

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2011 - RX-8 - Body and Accessories
INTERMITTENT CONCERN TROUBLESHOOTING [POWER WINDOW SYSTEM
(WITH EXTERIOR OPEN/CLOSE FUNCTION)]
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.
Inspect for DTCs or malfunctions by slightly shaking wiring harnesses and
connectors that are suspected of causing the malfunction.