Mazda CX-7 2007 Workshop Manual page 941

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
STEP
6 INSPECT TERMINAL COUPLE COMPONENT
CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between couple
component terminal B5 (wiring harness-side)
and shift solenoid A terminal A wiring harness-
side).
• Is there continuity?
7 INSPECT TERMINAL COUPLE COMPONENT
CIRCUIT FOR SHORT TO POWER
• Inspect for continuity between couple
component terminal B5 and all terminals
except B5 (wiring harness-side).
• Is there continuity?
8 VERIFY TROUBLESHOOTING OF DTC P0974
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 P0976[AW6A-EL, AW6AX-EL]
DTC P0976 Shift solenoid B circuit malfunction (short to ground)
• Short to ground in shift solenoid B signal system (The solenoid remains off continuously for 100 ms or
more even if the TCM sends a solenoid on command).
Diagnostic support note:
• The MIL illuminates if the TCM detects the above malfunction condition during first drive cycle.
DETECTION
• A PENDING CODE is not available.
CONDITION
• FREEZE FRAME DATA is available.
• The AT warning light illuminates.
• The DTC is stored in the TCM memory.
• Short to ground in wiring harness between shift solenoid B terminal A and TCM terminal B2
• Shift solenoid B malfunction
POSSIBLE
• Damaged connector between shift solenoid B and TCM
CAUSE
• TCM malfunction
INSPECTION
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 Replace the control valve body, then go to the next step.
(See 05-17-38 CONTROL VALVE BODY 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
id050211803600
05-02–53
05-02