Mazda RX-8 Manual page 1200

DTC P0733
DTC P0733 Gear 3 incorrect (incorrect gear ratio detected)
DETECTION
CONDITION
POSSIBLE
CAUSE
TCM monitors rotation ratio of the parking gear rotation compared to the reverse
•
and high clutch drum rotation when the following monitoring conditions are met. If
the rotation ratio is 0.819 or less , or 1.181 or more , the TCM determines that there
is malfunction.
Monitoring condition:
2 s or more after shifting to D range
Vehicle speed 20 km/h {12 mph} or more
Engine speed 1,000 rpm or more
Turbine speed 1,000 rpm or more
Ratio between engine speed and turbine speed less than 1.1
Throttle opening angle 12.5% or more
Engine torque 50 N·m {5.1 kgf·m, 37 ft·lbf} or more
ATF temperature within 20    150 ° ° ° ° C {68    302 ° ° ° ° F}
None of the following are present: DTC P0705, P0706, P0711, P0712,
P0713, P0715, P0720, P0751, P0753, P0758, P0761, P0762, P0763, P0766,
P0767, P0768, P0882, P0960, U0073, U0100.
Diagnostic support note:
This is a continuous monitor (CCM).
•
MIL does not illuminate.
•
AT warning light does not illuminates.
•
PENDING CODE is not available.
•
FREEZE FRAME DATA is available.
•
DTC stored in the TCM memory.
•
ATF level low
•
Deteriorated ATF
•
Shift solenoid B or F malfunction
•
Pressure control solenoid malfunction
•
Line pressure low
•
Low clutch slipping
•
High clutch slipping
•
Control valve malfunction
•
Oil pump malfunction
•
TCM malfunction
•
(w) RX-8 Transmission (Manual & Auto)
Page 175