Mazda CX-7 2007 Workshop Manual page 912

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
STEP
8 VERIFY TROUBLESHOOTING OF DTC P0729
COMPLETED
• Make sure to reconnect all the disconnected
connectors.
• Clear the DTC from the memory using the M-
MDS.
• Drive the vehicle under the following conditions
at least 12 times for more than 1 s:
— ATF temperature (TFT PID): 20 °C {68 °F}
or more
— Drive in the D range, 6GR
— Accelerator opening angle (THOP PID):
10% or more
• Is same DTC present?
9 VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
(See 05-02-4 AFTER REPAIR
PROCEDURE[AW6A-EL, AW6AX-EL].)
• Are any DTCs present?
End Of Sie
DTC P0730[AW6A-EL, AW6AX-EL]
DTC P0730 Gear 1 and engine brake operation incorrect (incorrect gear ratio detected)
• Engine braking is detected to be not operating when following conditions are satisfied while driving:
Monitoring condition:
— ATF temperature 20 °C {68 °F} or more
— Driving in 1GR in M range
— Engine running
— Accelerator opening angle 10% or more
— Vehicle speed signal normal
DETECTION
CONDITION Diagnostic support note:
• This is a continuous monitor (CCM).
• The MIL does not illuminate if the TCM detects the above malfunction condition during the 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.
• ATF level low
• Deteriorated ATF
• Shift solenoid A stuck
• Shift solenoid B stuck
• Shift solenoid D stuck
• Shift solenoid E stuck
• Shift solenoid F stuck
POSSIBLE
• Line pressure control solenoid stuck
CAUSE
• Line pressure low
• C1 clutch slipping
• B2 brake slipping
• Control valve stuck
• Oil pump malfunction
• TCM malfunction
05-02–24
INSPECTION
Yes Replace the TCM, then go to the next step.
(See 05-17-25 TCM REMOVAL/INSTALLATION[AW6A-EL,
AW6AX-EL].)
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See 05-02-5 DTC TABLE[AW6A-EL, AW6AX-EL].)
No DTC troubleshooting completed.
ACTION
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