Mazda CX-7 2007 Workshop Manual page 910

2007 mazda cx-7
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ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
STEP
4
INSPECT CONTINUITY OF VSS CIRCUIT
• Inspect for continuity between the couple
component terminals B19 and B20 (wiring
harness-side).
• Is there continuity?
5
INSPECT TERMINAL VSS FOR POOR
CONNECTION
• Disconnect the VSS connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Are terminals normal?
6
INSPECT TERMINAL COUPLE COMPONENT
CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between couple
component terminals (wiring harness-side) and
VSS terminals (wiring harness-side).
— Terminal B19 and terminal B
— Terminal B20 and terminal A
• Is there continuity?
7
INSPECT TERMINAL COUPLE COMPONENT
CIRCUIT FOR SHORT TO CIRCUIT
• Inspect for continuity between couple
component terminals (wiring harness-side).
— Terminal B19 and all terminals except B19/
B20 (wiring harness-side).
— Terminal B20 and all terminals except B19/
B20 (wiring harness-side).
• Is there continuity?
8
VERIFY TROUBLESHOOTING OF DTC P0722
COMPLETED
• Make sure to reconnect all the disconnected
connectors.
• Clear the DTC from the memory using the M-
MDS.
• Drive the vehicle in D range and make sure
that gears shift smoothly from 1GR to 6GR.
• 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 P0729[AW6A-EL, AW6AX-EL]
DTC P0729
Gear 6 incorrect (incorrect gear ratio detected)
• Incorrect gear ratio detected when following conditions are satisfied while driving:
Monitoring condition:
— ATF temperature 20 °C {68 °F} or more
— Driving in 6GR in D 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 illuminates 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.
05-02–22
INSPECTION
Yes Go to go to Step 8.
No
Go to the next step.
Yes Go to the next step.
No
Replace the couple component, then go to Step 8.
Yes Go to the next step.
No
Repair or replace the couple component, then go to Step 8.
Yes Repair or replace the couple component, then go to the
next step.
No
Inspect the coupler component.
• If the coupler component is normal, replace the
automatic transaxle, then go to the next step.
(See05-17-29 AUTOMATIC TRANSAXLE REMOVAL/
INSTALLATION[AW6A-EL, AW6AX-EL].)
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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