Mazda 6. Manual - part 216
ON-BOARD DIAGNOSTIC
K–105
K
End Of Sie
DTC P0772
A6E567001030W33
6
CHECK OPERATION OF EACH VALVE AND
EACH SPRING
• Turn ignition key to OFF.
• Remove control valve body.
• Disassemble control valve body.
• Is each valve operation okay and is return
spring okay?
K–34 CONTROL VALVE BODY REMOVAL
K–35 CONTROL VALVE BODY INSTALLATION
.)
(See ATX Workshop Manual FN4A-EL (9999-95-
FN4A-99).)
Yes Replace ATX, then go to next step.
(See
K–29 AUTOMATIC TRANSAXLE REMOVAL/
(See ATX Workshop Manual FN4A-EL (9999-95-FN4A-
99).)
No
Repair or replace shift valve and return spring, then go to
next step.
(See
K–34 CONTROL VALVE BODY REMOVAL
,
CONTROL VALVE BODY INSTALLATION
(See ATX Workshop Manual FN4A-EL (9999-95-FN4A-
99).)
7
VERIFY TROUBLESHOOTING OF DTC P0771
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory using WDS or
equivalent.
• Start engine.
• Warm up ATX.
• Drive the vehicle under the following conditions
and make sure that gears shift smoothly from
1GR to 4GR.
— ATF temperature: 20
°C {68 °F} or above
— Drive in D range
— Vehicle speed: within 60—100 km/h {37—
62 mph} (4th gear only).
• Is pending code present?
Yes Replace PCM, then go to next step.
(See
No
Go to next step.
8
VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
• Are any DTCs present?
Yes Go to applicable DTC inspection.
No
Troubleshooting completed.
STEP
INSPECTION
ACTION
DTC P0772
Shift solenoid E stuck ON
DETECTION
CONDITION
• When any of DTC P0731, P0733, and P0734 are not generated, and all of following conditions satisfied
under each of following throttle conditions.
— ATF temperature 20
°C {68 °F} or above.
— Driving in 4GR at D range.
— Engine run.
— Turbine speed within 225—4,988 rpm.
— Vehicle speed below 70 km/h {43 mph}.
— Torque converter clutch (TCC) no operation
— Difference between engine speed and turbine speed below 50 rpm
• Throttle conditions.
— Throttle opening angle (TP PID) above 10.1% and 5 seconds or more have passed.
— Throttle opening angle (TP PID) within 3.1—10.1% and 3 seconds or more have passed.
— Throttle opening angle at closed throttle position and 5 seconds or more have passed.
Diagnostic support note:
• This is a continuous monitor (CCM).
• MIL illuminates if PCM detects the above malfunction condition in two consecutive drive cycles or in one
drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
• FREEZE FRAME DATA is available.
• HOLD indicator light flashes.
• DTC is stored in the PCM memory.
POSSIBLE
CAUSE
• ATF level low
• Deteriorated ATF
• Shift solenoid E stuck
• Control valve stuck
• PCM malfunction