Dtc P0756 - Mazda Mazda6 Workshop Manual Supplement

STEP
11 INSPECT TERMINAL COMPONENT NO.1 (12-
PIN) CIRCUIT FOR SHORT TO POWER
• Turn ignition key to ON (engine OFF).
• Check voltage at terminal component No.1 (12-
pin) terminal I (harness-side).
• Is voltage 0 V?
12 INSPECT TCM CIRCUIT FOR SHORT TO
GROUND
• Turn ignition key to OFF.
• Check continuity between TCM terminal 2W
(harness-side) and body ground.
• Is there any continuity?
13 VERIFY TROUBLESHOOTING OF DTC P0753
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory using WDS or
equivalent.
• Drive vehicle in D range and make sure that
gears shift smoothly from 1GR to 5GR.
• Is same DTC present?
14 VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See K2–124 AFTER REPAIR
• Is there any DTC present?
End Of Sie

DTC P0756

DTC P0756 Shift solenoid B malfunction (stuck off)
• Difference between actual gear ratio and gear ratio set in TCM is large.
Diagnostic support note:
• This is a continuous monitor (CCM).
• MIL illuminates if TCM detects the above malfunction condition.
DETECTION
• PENDING CODE is not available.
CONDITION
• FREEZE FRAME DATA is available.
• AT warning light does not indication.
• DTC is stored in TCM memory.
• Shift solenoid B malfunction.
POSSIBLE
• Shift valve B stuck
CAUSE
• TCM 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 and/or on-
line repair information availability.
• Is any related repair information available?
3 CHECK FOR DTC
• Turn ignition key to ON (engine OFF).
• Inspect DTC.
• Is DTC outputted?
ON-BOARD DIAGNOSTIC
INSPECTION
PROCEDURE.)
INSPECTION
Yes Go to next step.
No Repair or replace harness, then go to Step 13.
Yes Repair or replace harness, then go to next step.
No Go to next step.
Yes Replace TCM, then go to next step.
(See K2–96 TCM REMOVAL/INSTALLATION.)
No 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 Follow applicable DTC inspection procedure.
No Go to next step.
ACTION
A6E577018901218
ACTION
K2–153
K2