Mazda RX-8 Workshop Manual page 2065

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2011 - RX-8 - Transmission/Transaxle
NO.2 VEHICLE MOVES IN N POSITION [SJ6A-EL]
2 Vehicle moves in N position
DESCRIPTION
POSSIBLE
CAUSE
NOTE:
Diagnostic procedure
Vehicle creeps in N position.
Vehicle creeps if brake pedal is not depressed in N position.
If the vehicle moves in N position, basically, the malfunction is in the AT.
Since a malfunction in the sensor circuit or output circuit is the cause of
the malfunction in the AT, inspect the sensors, output circuit, and the
related wiring harnesses.
Clutch burnt (C1 clutch, C4 clutch, One-way clutch)
Selector lever position disparity (Although the selector
indicator shows N position, the hydraulic circuit shows D
range or R position)
Before following the troubleshooting steps, make sure that the Automatic
Transmission On-Board Diagnostic and Automatic Transmission Basic
Inspection are conducted. (See
Line pressure low
Shift solenoid B malfunction
Shift solenoid C malfunction
Shift solenoid E malfunction
Shift solenoid G malfunction
Control valve body malfunction
TR switch mis-adjustment
BASIC INSPECTION [SJ6A-EL].)