Mazda CX 7. Manual - part 225

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

05-02–9

05-02

MIL: Malfunction Indicator Lamp
DC:  Drive Cycle
CCM: Comprehensive Component Monitor
– :   N/A

End Of Sie

P0998

Shift solenoid F circuit malfunction (short to 
ground/open circuit)

X

X

1

CCM

X

 (See 05-02-74 
DTC 
P0998[AW6A-
EL, AW6AX-
EL])

P0999

Shift solenoid F circuit malfunction (short to 
power)

X

X

1

CCM

X

 (See 05-02-76 
DTC 
P0999[AW6A-
EL, AW6AX-
EL])

P1700

Valve control solenoid circuit malfunction at R 
range (valve stuck)

–

X

1

–

X

 (See 05-02-78 
DTC 
P1700[AW6A-
EL, AW6AX-
EL])

P2757

Torque converter clutch (TCC) stuck off

X

X

1

CCM

X

 (See 05-02-79 
DTC 
P2757[AW6A-
EL, AW6AX-
EL])

P2758

Torque converter clutch (TCC) stuck on

X

X

1

CCM

X

 (See 05-02-80 
DTC 
P2758[AW6A-
EL, AW6AX-
EL])

P2762

TCC control solenoid range/performance (stuck)

X

X

1

CCM

X

 (See 05-02-82 
DTC 
P2762[AW6A-
EL, AW6AX-
EL])

P2763

TCC control solenoid circuit malfunction (short to 
power)

X

X

1

CCM

X

 (See 05-02-83 
DTC 
P2763[AW6A-
EL, AW6AX-
EL])

P2764

TCC control solenoid circuit malfunction (short to 
ground/open circuit)

X

X

1

CCM

X

 (See 05-02-85 
DTC 
P2764[AW6A-
EL, AW6AX-
EL])

U0073

CAN BUS OFF

 (See 09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION 
SYSTEM])

U0100

TCM cannot receive any signals from PCM

 (See 09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION 
SYSTEM])

U0121

TCM cannot receive any signals from ABS HU/
CM

 (See 09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION 
SYSTEM])

U0140

TCM cannot receive any signals from instrument 
cluster

 (See 09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION 
SYSTEM])

U0415

Invalid data received from ABS HU/CM (wheel 
speed)

 (See 09-02D-7 DTC TABLE[MULTIPLEX COMMUNICATION 
SYSTEM])

DTC No.

Condition

MIL

AT 

warning 

light

DC

Monitor 

item

Memory 

function

Page

1871-1U-06B(05-02).fm  9 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]

05-02–10

DTC P0601[AW6A-EL, AW6AX-EL]

id050211800600

Diagnostic procedure

End Of Sie

DTC P0603[AW6A-EL, AW6AX-EL]

id050211800700

Diagnostic procedure

DTC P0601

Flash ROM malfunction

DETECTION 

CONDITION

• Flash ROM (in TCM) internal circuit malfunction is detected.

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

• 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 P0601 
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.

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.

DTC P0603

EEPROM malfunction

DETECTION 

CONDITION

• Different numeric values for EEPRROM and RAM (in TCM) are detected.

Diagnostic support note:

• 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

• 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.

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

05-02–11

05-02

End Of Sie

DTC P0604[AW6A-EL, AW6AX-EL]

id050211800800

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 P0603 
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.

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 P0604

RAM malfunction

DETECTION 

CONDITION

• RAM (in TCM) read/write error is detected.

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

• 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 P0604 
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.

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  11 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]

05-02–12

DTC P0706[AW6A-EL, AW6AX-EL]

id050211800900

Diagnostic procedure

End Of Sie

DTC P0707[AW6A-EL, AW6AX-EL]

id050211801000

Diagnostic procedure

DTC P0706

Transaxle range (TR) switch circuit range/performance

DETECTION 

CONDITION

• TCM detects stuck TR switch when ignition switch is at ON position.

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

• 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 P0706 
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.

DTC P0707

Transaxle range (TR) switch circuit low input

DETECTION 

CONDITION

• TR switch position voltage input to TCM is less than 0.127 V 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.

1871-1U-06B(05-02).fm  12 ページ  ２００６年３月１５日　水曜日　午前１１時１８分