Mazda RX-8 Workshop Manual page 2384

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2011 - RX-8 - Steering
PRECAUTION
Intermittent Concern Troubleshooting
Vibration method
If a malfunction occurs or becomes worse while driving on a rough road or when the
engine is vibrating, perform the following steps.
NOTE:
There are several reasons why vehicle or engine vibration could cause an electrical
malfunction. Inspect the following:
An improperly routed, improperly clamped, or loose 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 and other panels are the major areas to be inspected.
Inspection method for switch and/or sensor connectors or wires
1. Connect the M-MDS to the DLC-2.
2. Turn the ignition switch to the ON position (engine off).
NOTE:
If the engine starts and runs, perform the following steps at idle.
3. Access PIDs for the switch you are inspecting.
Connectors not fully seated.
Wiring harnesses not having full play.
Wires laying across brackets or moving parts.
Wires routed too close to hot parts.