Mazda RX-8 Workshop Manual page 1882

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2011 - RX-8 - Transmission/Transaxle
DTC P0712 [SJ6A-EL]
DTC P0712 Transmission fluid temperature (TFT) sensor circuit malfunction (short to ground)
DETECTION
CONDITION
POSSIBLE CAUSE
If the TCM detects the following condition for 10 s or more, the TCM determines that the TFT
sensor circuit has a malfunction.
ATF temperature 200 °C {392 °F} or more
Diagnostic support note:
The MIL illuminates if the TCM detects the above malfunction condition during first drive cycle.
A PENDING CODE is not available.
FREEZE FRAME DATA is available.
The AT warning light illuminates.
The DTC is stored in the TCM memory.
TFT sensor malfunction
TCM connector or terminal malfunction
Short to ground in wiring harness between TFT sensor and TCM terminal 1J
Short to ground in wiring harness between TFT sensor and TCM terminal 1M
Couple component connector or terminal malfunction
TCM malfunction