Diagnostic procedure
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STEP
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INSPECTION
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ACTION
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|---|---|---|---|
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1
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Check for related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to available Service Information.
• If vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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2
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VERIFY DTC P1603 DETECTED AGAIN
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Turn the ignition switch off, then start engine.
• Is the same DTC present?
|
Yes
|
Perform code word reprogram procedure.
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No
|
Go to the next step.
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|
3
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VERIFY TROUBLESHOOTING OF DTC P1603 COMPLETED
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Turn the ignition switch off, then start engine.
• Is the same DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
|
|
No
|
Go to the next step.
|
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4
|
VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See AFTER REPAIR PROCEDURE [AJ].)
• Is there any DTC present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
Troubleshooting completed.
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