Mazda CX 7. Manual — part 226

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]

05-02–13

05-02

End Of Sie

DTC P0708[AW6A-EL, AW6AX-EL]

id050211801100

Diagnostic procedure

End Of Sie

2

VERIFY RELATED REPAIR INFORMATION
AVAILABILITY

• Verify related Service Bulletins and/or on-line

repair information availability.

• Is any related repair information available?

Yes

Perform repair or diagnosis according to the available
repair information.

• If the vehicle is not repaired, go to the next step.

No

Replace the TCM, then go to the next step.
(See 05-17-25 TCM REMOVAL/INSTALLATION[AW6A-EL,
AW6AX-EL].)

3

VERIFY TROUBLESHOOTING OF DTC P0707
COMPLETED

• Make sure to reconnect all the disconnected

connectors.

• Clear the DTC from the memory using the M-

MDS.

• Drive the vehicle in each range (P— D).

• Is same DTC present?

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.

4

VERIFY AFTER REPAIR PROCEDURE

• Perform the “After Repair Procedure”.

(See 05-02-4 AFTER REPAIR
PROCEDURE[AW6A-EL, AW6AX-EL].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.
(See 05-02-5 DTC TABLE[AW6A-EL, AW6AX-EL].)

No

DTC troubleshooting completed.

STEP

INSPECTION

ACTION

DTC P0708

Transaxle range (TR) switch circuit high input

DETECTION

CONDITION

• TR switch position voltage input to TCM is 4.84 V or more when ignition switch is at ON position.

Diagnostic support note:

• This is a continuous monitor (CCM).

• The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle.

• A PENDING CODE is not available.

• FREEZE FRAME DATA is available.

• The AT warning light illuminates.

• The DTC is stored in the TCM memory.

POSSIBLE

CAUSE

• TR switch malfunction

• TCM malfunction

STEP

INSPECTION

ACTION

1

VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED

• Has the FREEZE FRAME DATA been

recorded?

Yes

Go to the next step.

No

Record the FREEZE FRAME DATA on the repair order,
then go to the next step.

2

VERIFY RELATED REPAIR INFORMATION
AVAILABILITY

• Verify related Service Bulletins and/or on-line

repair information availability.

• Is any related repair information available?

Yes

Perform repair or diagnosis according to the available
repair information.

• If the vehicle is not repaired, go to the next step.

No

Replace the TCM, then go to the next step.
(See 05-17-25 TCM REMOVAL/INSTALLATION[AW6A-EL,
AW6AX-EL].)

3

VERIFY TROUBLESHOOTING OF DTC P0708
COMPLETED

• Make sure to reconnect all the disconnected

connectors.

• Clear the DTC from the memory using the M-

MDS.

• Drive the vehicle in each range (P— D).

• Is same DTC present?

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.

4

VERIFY AFTER REPAIR PROCEDURE

• Perform the “After Repair Procedure”.

(See 05-02-4 AFTER REPAIR
PROCEDURE[AW6A-EL, AW6AX-EL].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.
(See 05-02-5 DTC TABLE[AW6A-EL, AW6AX-EL].)

No

DTC troubleshooting completed.

1871-1U-06B(05-02).fm 13 ページ ２００６年３月１５日 水曜日 午前１１時１８分

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]

05-02–14

DTC P0711[AW6A-EL, AW6AX-EL]

id050211801200

Diagnostic procedure

DTC P0711

Transaxle fluid temperature (TFT) sensor malfunction (stuck)

DETECTION

CONDITION

• Change in ATF temperature cannot be detected for 15 min or more when driving in D range.

Diagnostic support note:

• This is continuous monitor (CCM).

• The MIL illuminates if the TCM detects the above malfunction condition during first drive cycle.

• A PENDING CODE is not available.

• FREEZE FRAME DATA is available.

• The AT warning light illuminates.

• The DTC is stored in the TCM memory.

POSSIBLE

CAUSE

• TFT sensor malfunction

• Damaged connector TCM

• TCM malfunction

STEP

INSPECTION

ACTION

1

VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED

• Has the FREEZE FRAME DATA been

recorded?

Yes

Go to the next step.

No

Record the FREEZE FRAME DATA on the repair order,
then go to the next step.

2

VERIFY RELATED REPAIR INFORMATION
AVAILABILITY

• Verify related Service Bulletins and/or on-line

repair information availability.

• Is any related repair information available?

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.

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?

Yes

Go to the next step.

No

Replace the couple component, then go to Step 5.

B8

B7

3

4

TCM

TFT
SENSOR

COUPLE COMPONENT CONNECTOR

COUPLE COMPONENT

3

B8

B7

(+)

(-)

1871-1U-06B(05-02).fm 14 ページ ２００６年３月１５日 水曜日 午前１１時１８分

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]

05-02–15

05-02

End Of Sie

DTC P0712[AW6A-EL, AW6AX-EL]

id050211801300

4

INSPECT RESISTANCE OF TFT SENSOR
CIRCUIT

• Inspect for resistance between couple

component terminals B8 and B7 (wiring
harness-side).

• Is resistance as shown below?

— ATF temperature 10

°C {50°F}: 5.62— 7.31

kilohms

— ATF temperature 25

°C {77°F}: 3.5 kilohms

— ATF temperature 110

°C {230°F}: 0.22—

0.27 kilohms

(See 05-17-12 TRANSAXLE FLUID

TEMPERATURE (TFT) SENSOR
INSPECTION[AW6A-EL, AW6AX-EL].)

Yes

Go to the next step.

No

Replace the TFT sensor, then go to the next step.
(See 05-17-13 TRANSAXLE FLUID TEMPERATURE
(TFT) SENSOR REMOVAL/INSTALLATION[AW6A-EL,
AW6AX-EL].)

5

VERIFY TROUBLESHOOTING OF DTC P0711
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?

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.

6

VERIFY AFTER REPAIR PROCEDURE

• Perform the “After Repair Procedure”.

(See 05-02-4 AFTER REPAIR
PROCEDURE[AW6A-EL, AW6AX-EL].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.
(See 05-02-5 DTC TABLE[AW6A-EL, AW6AX-EL].)

No

DTC troubleshooting completed.

STEP

INSPECTION

ACTION

DTC P0712

Transaxle fluid temperature (TFT) sensor circuit malfunction (short to ground)

DETECTION

CONDITION

• If the TCM detects the following condition for 10 s or more, the TCM determines that the TFT sensor circuit

has a malfunction.
— ATF temperature 200

°C {392 °F} or more

Diagnostic support note:

• This is continuous monitor (CCM).

• The MIL illuminates if the TCM detects the above malfunction condition during first drive cycle.

• A PENDING CODE is not available.

• FREEZE FRAME DATA is available.

• The AT warning light illuminates.

• The DTC is stored in the TCM memory.

POSSIBLE

CAUSE

• TFT sensor malfunction

• Short to ground in wiring harness between TFT sensor and TCM terminal B8

• Short to ground in wiring harness between TFT sensor and TCM terminal B7

• Damaged connector TCM

• TCM malfunction

1871-1U-06B(05-02).fm 15 ページ ２００６年３月１５日 水曜日 午前１１時１８分

ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]

05-02–16

Diagnostic procedure

STEP

INSPECTION

ACTION

1

VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED

• Has the FREEZE FRAME DATA been

recorded?

Yes

Go to the next step.

No

Record the FREEZE FRAME DATA on the repair order,
then go to the next step.

2

VERIFY RELATED REPAIR INFORMATION
AVAILABILITY

• Verify related Service Bulletins and/or on-line

repair information availability.

• Is any related repair information available?

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.

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?

Yes

Go to the next step.

No

Replace the couple component, then go to Step 5.

4

INSPECT RESISTANCE OF TFT SENSOR
CIRCUIT

• Inspect for resistance between couple

component terminals B8 and B7 (wiring
harness-side).

• Is resistance as shown below?

— ATF temperature 10

°C {50°F}: 5.62— 7.31

kilohms

— ATF temperature 25

°C {77°F}: 3.5 kilohms

— ATF temperature 110

°C {230°F}: 0.22—

0.27 kilohms

(See 05-17-12 TRANSAXLE FLUID

TEMPERATURE (TFT) SENSOR
INSPECTION[AW6A-EL, AW6AX-EL].)

Yes

Go to the next step.

No

Replace the TFT sensor, then go to the next step.
(See 05-17-13 TRANSAXLE FLUID TEMPERATURE
(TFT) SENSOR REMOVAL/INSTALLATION[AW6A-EL,
AW6AX-EL].)

5

VERIFY TROUBLESHOOTING OF DTC P0712
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?

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.

DTC P0712

Transaxle fluid temperature (TFT) sensor circuit malfunction (short to ground)

B8

B7

3

4

TCM

TFT
SENSOR

COUPLE COMPONENT CONNECTOR

COUPLE COMPONENT

3

B8

B7

(+)

(-)

1871-1U-06B(05-02).fm 16 ページ ２００６年３月１５日 水曜日 午前１１時１８分