Mazda CX-7 2007 Workshop Manual page 938

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
DTC P0973 Shift solenoid A circuit malfunction (short to ground)
4
SHIFT SOLENOID A
SHIFT SOLENOID A WIRING
HARNESS-SIDE CONNECTOR
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has the FREEZE FRAME DATA been
recorded?
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Verify related Service Bulletins and/or on-line
repair information availability.
• Is any related repair information available?
3 INSPECT TERMINAL COUPLE COMPONENT
FOR POOR CONNECTION
• Turn the ignition switch to the LOCK position.
• Remove the TCM.
(See 05-17-25 TCM REMOVAL/
INSTALLATION[AW6A-EL, AW6AX-EL].)
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Are terminals normal?
4 INSPECT RESISTANCE OF SHIFT SOLENOID A
CIRCUIT
• Inspect for resistance between couple
component terminal B5 (wiring harness-side)
and ground.
• Is resistance within 11— 15 ohms?
(See 05-17-20 SOLENOID VALVE
INSPECTION[AW6A-EL, AW6AX-EL].)
5 INSPECT TERMINAL SHIFT SOLENOID A FOR
POOR CONNECTION
• Disconnect the shift solenoid A connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Are terminals normal?
05-02–50
COUPLE COMPONENT
6
5
A
A
INSPECTION
7
B5
COUPLE COMPONENT CONNECTOR
B5
Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order,
then go to the next step.
Yes Perform repair or diagnosis according to the available
repair information.
• If the vehicle is not repaired, go to the next step.
No Go to the next step.
Yes Go to the next step.
No Replace the couple component, then go to Step 7.
Yes Go to go to Step 7.
No Go to the next step.
Yes Go to the next step.
No Replace the couple component, then go to Step 7.
TCM
ACTION