Dtc P0601[L3 With Tc]; Dtc P0602[L3 With Tc] - Mazda CX-7 2007 Workshop Manual

DTC P0601[L3 WITH TC]

DTC P0601 Internal control module memory check sum error
• PCM internal memory check sum error.
Diagnostic support note
• This is a continuous monitor (CCM).
DETECTION
• MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
CONDITION
• FREEZE FRAME DATA is available.
• DTCs are stored in PCM memory.
POSSIBLE
• PCM internal memory malfunction
CAUSE
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has the FREEZE FRAME DATA been
recorded?
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
3 VERIFY TROUBLESHOOTING OF P0601
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory using
the M-MDS.
• Start the engine.
• Is same DTC present?
4 VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
End Of Sie

DTC P0602[L3 WITH TC]

DTC P0602 PCM programming error
• No configuration data in PCM
Note
• If the "PCM CONFIGURATION" is successful, the PCM stores DTC P0602 and illuminates the MIL
(System is normal). Clear DTC P0602 using the M-MDS after the "PCM CONFIGURATION".
• MIL turns off after three drive cycles with no failure (DTCs remain in PCM).
DETECTION
CONDITION
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.
• Configuration has not been completed.
POSSIBLE
• PCM malfunction
CAUSE
01-02–170
ON-BOARD DIAGNOSTIC [L3 WITH TC]
INSPECTION
Yes Go to the next step.
No Record FREEZE FRAME DATA on the repair order, then go
to the next step.
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.
Yes Replace the PCM, go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No Troubleshooting completed.
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