 DTC DETECTION LOGIC
NOTEļ¼
If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to DTC Logic (GT-R certified NISSAN dealer).
DTC No.
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Trouble diagnosis name
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DTC detecting condition
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Possible cause
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P1564
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ASCD steering switch
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- An excessively high voltage signal from the ASCD steering switch is sent to ECM.
- ECM detects that input signal from the ASCD steering switch is out of the specified range.
- ECM detects that the ASCD steering switch is stuck ON.
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- Harness or connectors
(The switch circuit is open or shorted.)
- ASCD steering switch
- ECM
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 DTC CONFIRMATION PROCEDURE
 1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test. - Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
>>GO TO 2.
 2.PERFORM DTC CONFIRMATION PROCEDURE
- Turn ignition switch ON and wait at least 10 seconds.
- Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.
- Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
- Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 seconds.
- Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
- Check DTC.
Is DTC detected?
YES >>Go to Diagnosis Procedure (GT-R certified NISSAN dealer). NO >>INSPECTION END
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