2007 NISSAN 350Z display

NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
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Revision: 2006 November2007 350Z
*: When NVIS (NATS) detects trouble, the security indicator lights up while ignition key is in the “ON” position.
SYMPTOM MATRIX CHART 2
Non self-diagnosis related item
*: CONSULT-III self-diagnostic results display screen “no malfunction is detected”.
DIAGNOSTIC SYSTEM DIAGRAM

Security indicator
lighting up*

Engine cannot be
startedLOCK MODE
[P1610]PROCEDURE 6
(BL-165 )LOCK MODEWhen the starting opera-
tion is carried out five or
more times consecu-
tively under the follow-
ing conditions, NVIS
(NATS) will shift the
mode to one which pre-
vents the engine from
being started.

Unregistered ignition
key is used.

BCM or ECM’s mal-
functioning.
Security indicator light-
ing up*DON'T ERASE
BEFORE CHECKING
ENG DIAGWORK FLOW
(BL-155
)Engine trouble data and
NVIS (NATS) trouble
data have been detected
in ECM— SYMPTOMDisplayed “SELF-DIAG
RESULTS” on CON-
SULT-III screen.DIAGNOSTIC PROCE-
DURE
(Reference page)SYSTEM
(Malfunctioning part or
mode)REFERENCE PART NO.
OF ILLUSTRATION ON
SYSTEM DIAGRAM
SYMPTOMDIAGNOSTIC PROCEDURE
(Reference page)SYSTEM
(Malfunctioning part or mode)REFERENCE PART NO. OF
ILLUSTRATION ON SYSTEM
DIAGRAM
Security indicator does not light
up*.PROCEDURE 5
(BL-163
)Security indictor. —
Open circuit between Fuse and
BCM—
BCM A
PIIA1122E

BL-158
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2006 November2007 350Z
Diagnostic Procedure 1NIS0003K
Self-diagnostic results:
“CHAIN OF ECM-IMMU” displayed on CONSULT-III screen
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-III, then perform the trouble diag-
nosis of malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-16, "
CAN Com-
munication Inspection Using CONSULT-III (Self-Diagnosis)" .
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “CHAIN OF ECM-IMMU” displayed on CONSULT-III screen.
NOTE:
In rare case, “CHAIN OF ECM-IMMU” might be stored during key registration procedure, even if the system is
not malfunctioning.
Is CONSULT-III screen displayed as above?
Yes >> GO TO 2.
No >> GO TO BL-156, "
SYMPTOM MATRIX CHART 1" .
2. CHECK POWER SUPPLY CIRCUIT FOR BCM
1. Disconnect BCM connector.
2. Check voltage between BCM harness connector M91 terminal 42, 55 and ground with CONSULT-III or
tester.
OK or NG
OK >> GO TO 3.
NG >> Check the following.

40A fusible link (letter F , located in fuse and fusible
link box)

10A fuse [No.18, located in the fuse block (J/B)]

Harness for open or short between fusible link and
BCM. Ref. Part No. C1

Harness for open or short between fuse and BCM. Ref. Part No. C1
3. CHECK IGN SW. ON SIGNAL
1. Turn ignition switch ON.
2. Check voltage between BCM harness connector M90 terminal 38 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 4.
NG >> Check the following.

10A fuse [No. 1, located in the fuse block (J/B)]

Harness for open or short between fuse and BCM.
Ref. part No. C2 42 (GY) - Ground : Battery voltage
55 (R) - Ground : Battery voltage
PIIA6374E
38 (W/L) - Ground : Battery voltage
PIIA6144E

NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
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Revision: 2006 November2007 350Z
4. CHECK GROUND CIRCUIT FOR BCM
1. Turn ignition OFF.
2. Check continuity between BCM harness connector M91 terminal 52 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness. Ref. part No. C3
5. REPLACE BCM
1. Replace BCM Ref. part No. A
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
Does the engine start?
Yes >> BCM is malfunctioning.

Replace BCM. Ref. part No. A

Perform initialization with CONSULT-III.

For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
No >> ECM is malfunctioning.

Replace ECM. Ref. part No. B

Perform initialization or re-communicating function.

For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.

For re-communicating function, refer to BL-152, "ECM Re-communicating Function" .
Diagnostic Procedure 2NIS0003L
Self-diagnostic results:
“DIFFERENCE OF KEY” displayed on CONSULT-III screen
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “DIFFERENCE OF KEY” displayed on CONSULT-III screen.
Is CONSULT-III screen displayed as above?
Ye s > > G O T O 2 .
No >> GO TO BL-156, "
SYMPTOM MATRIX CHART 1" .
2. PERFORM INITIALIZATION WITH CONSULT-III
Perform initialization with CONSULT-III. Re-register all NATS ignition key IDs.
For initialization and registration of NATS ignition key IDs, refer to “CONSULT-III Operation Manual NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-III shows message on the screen.
Can the system be initialized and can the engine be started with re-registered NATS ignition key?
Yes >> Ignition key ID was unregistered. Ref. part No. D
No >> BCM is malfunctioning.

Replace BCM. Ref. part No. A

Perform initialization with CONSULT-III.

For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”. 52 (B) - Ground : Continuity should exist.
PIIA9326E

BL-160
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2006 November2007 350Z
Diagnostic Procedure 3NIS0003M
Self-diagnostic results:
“CHAIN OF IMMU-KEY” displayed on CONSULT-III screen
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “CHAIN OF IMMU-KEY” displayed on CONSULT-III screen.
Is CONSULT-III screen displayed as shown in figure?
Yes >> GO TO 2.
No >> GO TO BL-156, "
SYMPTOM MATRIX CHART 1" .
2. CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. Refer to BL-166, "
How to Replace NATS Antenna Amp." .
OK or NG
OK >> GO TO 3.
NG >> Reinstall NATS antenna amp. correctly.
3. CHECK NVIS (NATS) IGNITION KEY ID CHIP
Start engine with another registered NATS ignition key.
Does the engine start?
Yes >> Ignition key ID chip is malfunctioning.

Replace the ignition key. Ref. part No, E5

Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
No >> GO TO 4.
4. CHECK POWER SUPPLY FOR NATS ANTENNA AMP.
1. Turn ignition switch “ON”.
2. Check voltage between NATS antenna amp. harness connector M28 terminal 1 and ground with CON-
SULT-III or tester.
OK or NG
OK >> GO TO 5.
NG >>

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-III. For initialization, refer to “CON-
SULT-III Operation Manual NATS-IVIS/NVIS”. Just after turning ignition switch “ON”
Voltage: Approx. 5V (For 3 seconds)
PIIB7398E

NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
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Revision: 2006 November2007 350Z
5. CHECK NATS ANTENNA AMP. SIGNAL LINE- 1
Check voltage between NATS antenna amp. harness connector M28 terminal 2 and ground with analogue
tester.
OK or NG
OK >> GO TO 6.
NG >>

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-III. For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
6. CHECK NATS ANTENNA AMP. SIGNAL LINE- 2
Check voltage between NATS antenna amp. harness connector M28 terminal 3 and ground with analogue
tester.
OK or NG
OK >> GO TO 7.
NG >>

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-III. For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
7. CHECK NATS ANTENNA AMP. GROUND LINE CIRCUIT
1. Turn ignition switch “OFF”.
2. Check continuity between NATS antenna amp. connector harness M28 terminal 4 and ground.
OK or NG
OK >> NATS antenna amp. is malfunctioning. Ref. part No. E6
NG >> Replace NATS antenna amp.

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-III. For initialization, refer to “CON-
SULT-III Operation Manual NATS-IVIS/NVIS”.
Diagnostic Procedure 4NIS0003N
Self-diagnostic results:
“ID DISCORD, IMM-ECM” displayed on CONSULT-III screenBefore turning ignition switch “ON”
Voltage: 0V
Just after turning ignition switch “ON”
: Pointer of tester should move.
PIIB7399E
Before turning ignition switch “ON”
Voltage: 0V
Just after turning ignition switch “ON”
: Pointer of tester should move.
PIIB7340E
4 (BR) – Ground : Continuity should exist.
PIIB7341E

BL-162
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2006 November2007 350Z
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “ID DISCORD, IMM-ECM” displayed on CONSULT-III screen.
NOTE:
“ID DISCORD IMM-ECM”:
Registered ID of BCM is in discord with that of ECM.
Is CONSULT-III screen displayed as above?
Yes >> GO TO 2.
No >> GO TO BL-156, "
SYMPTOM MATRIX CHART 1" .
2. PERFORM INITIALIZATION WITH CONSULT-III
Perform initialization with CONSULT-III. Re-register all NATS ignition key IDs.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-III shows message on the screen.
Can the system be initialized?
Yes >> Start engine. (END)

(System initialization had not been completed. Ref. part No. F )
No >> ECM is malfunctioning.

Replace ECM. Ref. part No. B

Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.

NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
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Revision: 2006 November2007 350Z
Diagnostic Procedure 6NIS0003P
Self-diagnostic results:
“LOCK MODE” displayed on CONSULT-III screen
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “LOCK MODE” is displayed on CONSULT-III screen.
Is CONSULT-III screen displayed as above?
Ye s > > G O T O 2 .
No >> GO TO BL-156, "
SYMPTOM MATRIX CHART 1" .
2. ESCAPE FROM LOCK MODE
1. Turn ignition switch OFF.
2. Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.
3. Return the key to OFF position. Wait 5 seconds.
4. Repeat steps 2 and 3 twice (total of three cycles).
5. Start the engine.
Does engine start?
Yes >> System is OK (Now system is escaped from “LOCK MODE”).
No >> GO TO 3.
3. PERFORM INITIALIZATION WITH CONSULT-III
Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-III shows the message on the screen.
Can the system be initialized?
Yes >> System is OK.
No >> GO TO 4.
4. PERFORM INITIALIZATION WITH CONSULT-III AGAIN
1. Replace BCM.
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-III shows the message on the screen.
Can the system be initialized?
Yes >> System is OK. (BCM is malfunctioning. Ref. part No. A )
No >> ECM is malfunctioning.

Replace ECM. Ref. part No. B

Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.