Dtc P0751 - Mazda 2002 6 Workshop Manual

STEP
10 VERIFY TROUBLESHOOTING OF DTC P0745
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory using WDS or
equivalent.
• Make sure to wait more than 1 second after
turning ignition key to ON.
• Are any DTCs present?
11 VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See K–52 AFTER REPAIR
• Are any DTCs present?
End Of Sie

DTC P0751

DTC P0751 Shift solenoid A stuck OFF
• When any of P0731, P0732, and P0733 are not generated, and all conditions below satisfied.
— ATF temperature 20 °C {68 °F} or above.
— Driving in 4GR at D range.
— Engine run.
— Turbine speed within 225— 4,988 rpm.
— Differential gear case (output) revolution speed 35 rpm or above.
— Torque converter clutch (TCC) not operating
— Revolution ratio of forward clutch drum revolution to differential gear case revolution within 0.91—1.09.
— Any of the following not generated: DTC P0500, P0706, P0707, P0708, P0712, P0713, P0715, P0751,
DETECTION
P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0767, P0768, P0771,
CONDITION
P0772, P0773.
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.
• ATF level low
• Deteriorated ATF
POSSIBLE
• Shift solenoid A stuck
CAUSE
• Control valve stuck
• PCM malfunction
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has FREEZE FRAME PID DATA been
recorded?
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins availability.
• Is any related repair information available?
3 CHECK ATF CONDITION
• Turn ignition key to OFF.
• Check ATF condition.
— Clear red: Normal
— Milky: Water mixed in fluid
— Reddish brown: Deteriorated ATF
• Is it okay?
(See K–12 Automatic Transaxle Fluid (ATF)
Condition Inspection.)
4 CHECK ATF LEVEL
• Start engine.
• Warm up ATX.
• Is ATF level within specification?
(See K–12 Automatic Transaxle Fluid (ATF) Level
Inspection.)
K–82
ON-BOARD DIAGNOSTIC
INSPECTION
PROCEDURE.)
INSPECTION
Yes Replace PCM, then go to next step.
(See F–43 PCM REMOVAL/INSTALLATION.)
No No concern is detected. Go to next step.
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
Yes Go to next step.
No Record FREEZE FRAME PID DATA on repair order, then
go to next step.
Yes Perform repair or diagnosis according to available repair
information.
• If vehicle is not repaired, go to next step.
No Go to next step.
Yes Go to next step.
No If ATF color milky or reddish brown, replace ATF, then go to
Step 5.
(See K–13 AUTOMATIC TRANSAXLE FLUID (ATF)
REPLACEMENT.)
Yes Go to next step.
No Adjust ATF level, then go to Step 7.
(See K–12 Automatic Transaxle Fluid (ATF) Level
Inspection.)
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A6E567001030W20
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