Mazda CX-7 2007 Workshop Manual page 936

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
DTC P0963 Line pressure control solenoid circuit malfunction (short to power)
LINE PRESSURE
CONTROL SOLENOID
LINE PRESSURE CONTROL SOLENOID
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 LINE PRESSURE
CONTROL SOLENOID CIRCUIT
• Inspect for resistance between couple
component terminals B3 and B1 (wiring
harness-side).
• Is resistance within 5.0— 5.6 ohms?
(See 05-17-20 SOLENOID VALVE
INSPECTION[AW6A-EL, AW6AX-EL].)
05-02–48
COUPLE COMPONENT
5
B
4
A
5
B A
INSPECTION
6
(+)
B3
6
B1 (-)
COUPLE COMPONENT CONNECTOR
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.
TCM
B1 B3
ACTION