STEP
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INSPECTION
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ACTION
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
|
Yes
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Go to the next step.
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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.
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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 INTAKE SHUTTER VALVE
• Inspect the intake shutter valve.
• Is there any malfunction?
|
Yes
|
Replace the intake shutter valve, then go to the next step.
|
No
|
Go to the next step.
|
5
|
VERIFY TROUBLESHOOTING OF P1589 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Turn the engine switch off.
• Start the engine and let it idle.
• Is the same DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
|
No
|
Go to the next step.
|
6
|
VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
No
|
Troubleshooting completed.
|