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Diagnostic Procedure
NHEC0274
1 INSPECTION START
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “SELF DIAG RESULTS” mode with CONSULT-II.
3. Touch “ERASE”.
4. Perform “DTC Confirmation Procedure”.
See EC-449.
5. Is the 1st trip DTC P0605 displayed again?
With GST
1. Turn ignition switch “ON”.
2. Select MODE 4 with GST.
3. Touch “ERASE”.
4. Perform “DTC Confirmation Procedure”.
See EC-449.
5. Is the 1st trip DTC P0605 displayed again?
YesorNo
Yes © GO TO 2.
No © INSPECTION END
2 REPLACE ECM
1. Replace ECM.
2. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to “IVIS (INFINITI
VEHICLE IMMOBILIZER SYSTEM — NATS)”, EC-82.
3. Perform “Idle Air Volume Learning”, EC-66,
Is the result CMPLT or INCMP?
CMPLT or INCMP
CMPLT © INSPECTION END
INCMP © Follow the construction of “Idle Air Volume Learning”.
DTC P0605 ECM
Diagnostic Procedure
EC-450
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