Mazda CX 7. Manual — part 54
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–171
01-02
Diagnostic procedure
End Of Sie
DTC P0604[L3 WITH TC]
id010239809300
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 FREEZE FRAME DATA on the repair order, then go
to the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
Yes
Perform the repair or diagnosis according to the available
repair information.
• If the vehicle is not repaired, go to the next step.
No
Perform PCM configuration procedure, then go to the next
step.
(See01-40-21 PCM CONFIGURATION[L3 WITH TC].)
3
VERIFY TROUBLESHOOTING OF DTC P0602
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn ignition switch to the ON position (Engine
off).
• Clear the DTC from the PCM memory using
the M-MDS.
• Start the engine.
• Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No
Troubleshooting completed.
DTC P0604
PCM RAM error
DETECTION
CONDITION
• PCM internal RAM malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in PCM memory.
POSSIBLE
CAUSE
• PCM internal RAM 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 FREEZE FRAME DATA on the repair order, then go
to the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
Yes
Perform the 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
VERIFY TROUBLESHOOTING OF P0604
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory using
the M-MDS.
• Start the engine.
• Is the same DTC present?
Yes
Replace the PCM, go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No
Troubleshooting completed.
1871-1U-06B(01-02).fm 171 ページ 2006年3月15日 水曜日 午前10時32分
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–172
End Of Sie
DTC P0606[L3 WITH TC]
id010239809400
Diagnostic procedure
End Of Sie
DTC P0607[L3 WITH TC]
id010239809500
Diagnostic procedure
DTC P0606
ECM/PCM processor
DETECTION
CONDITION
• PCM internal CPU malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in PCM memory.
POSSIBLE
CAUSE
• PCM internal CPU 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 FREEZE FRAME DATA on the repair order, then go
to the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
Yes
Perform the 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
VERIFY TROUBLESHOOTING OF P0606
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory using
the M-MDS.
• Start engine.
• Is same DTC present?
Yes
Replace PCM, go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No
Troubleshooting completed.
DTC P0607
PCM performance problem
DETECTION
CONDITION
• PCM internal malfunction.
Diagnostic support note
• This is a continuous monitor (Other).
• MIL does not illuminate.
• FREEZE FRAME DATA is not available.
• DTCs are stored in PCM memory.
POSSIBLE
CAUSE
• PCM internal malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record FREEZE FRAME DATA on repair order, then go to
the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for 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.
1871-1U-06B(01-02).fm 172 ページ 2006年3月15日 水曜日 午前10時32分
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–173
01-02
End Of Sie
DTC P0610[L3 WITH TC]
id010239809600
Diagnostic procedure
End Of Sie
3
VERIFY TROUBLESHOOTING OF P0607
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory using
the M-MDS.
• Start engine.
• Is same DTC present?
Yes
Replace PCM, go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No
Troubleshooting completed.
STEP
INSPECTION
ACTION
DTC P0610
PCM vehicle options error
DETECTION
CONDITION
• PCM data configuration error
Diagnostic support note
• This is a continuous monitor (CCM).
• The MIL does not illuminate.
• FREEZE FRAME DATA is available.
• DTCs are stored in PCM memory.
POSSIBLE
CAUSE
• Configuration procedure has not been completed
• PCM 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 FREEZE FRAME DATA on the repair order, then go
to the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
Yes
Perform the 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
VERIFY TROUBLESHOOTING OF DTC P0610
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn the ignition switch to the ON position
(Engine off).
• Clear the DTC from the PCM memory using
the M-MDS.
• Start the engine.
• Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
Yes
Go to the applicable DTC troubleshooting.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No
Troubleshooting completed.
1871-1U-06B(01-02).fm 173 ページ 2006年3月15日 水曜日 午前10時32分
ON-BOARD DIAGNOSTIC [L3 WITH TC]
01-02–174
DTC P0638[L3 WITH TC]
id010239809800
Diagnostic procedure
End Of Sie
WM: DTC P07XX
DTC P0703[L3 WITH TC]
id010239809900
DTC P0638
Throttle actuator control range/performance
DETECTION
CONDITION
• The PCM compares the actual TP with the target TP when the engine is running. If the difference is more
than the specification, the PCM determines that there is a throttle actuator control circuit range/
performance problem.
Diagnostic support note
• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in the PCM memory.
POSSIBLE
CAUSE
• Throttle actuator malfunction
• Throttle valve malfunction
• PCM malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record FREEZE FRAME DATA on repair order, then go to
the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for 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 FOR OTHER DTCS
• Have other DTCs been stored?
Yes
Perform the diagnostic procedure for the applicable DTCs.
No
Go to the next step.
4
INSPECT THROTTLE ACTUATOR
• Inspect the throttle actuator. (See 01-13-12
THROTTLE ACTUATOR INSPECTION[L3
WITH TC])
• Is the throttle actuator normal?
Yes
Go to the next step.
No
Replace the throttle body, then go to the next step.
5
VERIFY TROUBLESHOOTING OF P0638
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory using
the M-MDS.
• Turn the ignition switch off.
• Start the engine and let it idle.
• Is the same DTC present?
Yes
Replace the PCM, go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No
Go to the next step.
6
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No
Troubleshooting completed.
DTC P0703
Brake switch No.1 circuit malfunction
DETECTION
CONDITION
• PCM monitors changes in the input voltage from the brake switch. If the PCM does not detect the voltage
change while alternately accelerating and decelerating 8 times, the PCM determines that the brake switch
circuit has a malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in
one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if the PCM detects the above malfunction condition during the first drive
cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in PCM memory.
1871-1U-06B(01-02).fm 174 ページ 2006年3月15日 水曜日 午前10時32分
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