2003 NISSAN ALMERA N16 nats

NATS SELF-DIAGNOSTIC RESULTS ITEM CHART=NJEL0410S04
Detected items (NATS program card
screen terms)P No. Code
(Self-diag-
nostic result
of “ENGINE”Malfunction is detected when .....
Reference page
ECM INT CIRC-IMMUNATS MAL-
FUNCTION
P1613The malfunction of ECM internal circuit of IMMU com-
munication line is detected. EL-415
CHAIN OF ECM-IMMUNATS MAL-
FUNCTION
P1612Communication impossible between ECM and IMMU
(In rare case, “CHAIN OF ECM-IMMU” might be stored
during key registration procedure, even if the system is
not malfunctioning.) EL-397 (QG & YD w/o c.r.) EL-416 (K9K & YD w c.r.)
DIFFERENCE OF KEYNATS MAL-
FUNCTION
P1615IMMU can receive the key ID signal but the result of ID
verification between key ID and IMMU is NG. EL-420
CHAIN OF IMMU-KEYNATS MAL-
FUNCTION
P1614IMMU cannot receive the key ID signal.
EL-421
ID DISCORD, IMM-ECMNATS MAL-
FUNCTION
P1611The result of ID verification between IMMU and ECM is
NG. System initialization is required. EL-423
LOCK MODENATS MAL-
FUNCTION
P1610When the starting operation is carried out five or more
times consecutively under the following conditions,
NATS will shift the mode to one which prevents the
engine from being started.
Unregistered ignition key is used.
IMMU or ECM’s malfunctioning.EL-426
DON’T ERASE BEFORE
CHECKING ENG DIAG—All engine trouble codes except NATS trouble code has
been detected in ECM.EL-412
NATS (NISSAN ANTI-THEFT SYSTEM)
CONSULT-II (Cont’d)
EL-392

Trouble Diagnoses/QG and YD Engine Models
with Common Rail
NJEL0590WORK FLOWNJEL0590S01
SEL729WE
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NATS (NISSAN ANTI-THEFT SYSTEM)
Trouble Diagnoses/QG and YD Engine Models with Common Rail
EL-393

First perform the “SELF-DIAG RESULTS” in “SMART ENTRANCE”
with CONSULT-II, when perform the each trouble diagnosis. Refer
to EL-390, “CONSULT-II INSPECTION PROCEDURE”.
SYMPTOM MATRIX CHART 1NJEL0590S02Self-diagnosis related item
SYMPTOMDisplayed “SELF-DIAG
RESULTS” on CON-
SULT-II screen.DIAGNOSTIC PROCE-
DURE
(Reference page)SYSTEM
(Malfunctioning part or
mode)REFERENCE PART
NO. OF ILLUSTRATION
ON SYSTEM DIAGRAM
Security indicator
lighting up*
Engine cannot be
startedECM INT CIRC-IMMUPROCEDURE 1
(EL-396, “Diagnostic
Procedure 1”)ECM B
CHAIN OF ECM-IMMUPROCEDURE 2
(EL-397, “Diagnostic
Procedure 2”)In rare case, “CHAIN
OF ECM-IMMU” might
be stored during key
registration procedure,
even if the system is not
malfunctioning.—
Open circuit in battery
voltage line of IMMU
circuitC1
Open circuit in ignition
line of IMMU circuitC2
Open circuit in ground
line of IMMU circuitC3
Open circuit in commu-
nication line between
IMMU and ECMC4
Short circuit between
IMMU and ECM com-
munication line and bat-
tery voltage lineC4
Short circuit between
IMMU and ECM com-
munication line and
ground lineC4
ECM B
IMMU A
DIFFERENCE OF KEYPROCEDURE 3
(EL-399, “Diagnostic
Procedure 3”)Unregistered key D
IMMU A
NATS (NISSAN ANTI-THEFT SYSTEM)
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-394

SYMPTOMDisplayed “SELF-DIAG
RESULTS” on CON-
SULT-II screen.DIAGNOSTIC PROCE-
DURE
(Reference page)SYSTEM
(Malfunctioning part or
mode)REFERENCE PART
NO. OF ILLUSTRATION
ON SYSTEM DIAGRAM
Security indicator
lighting up*
Engine cannot be
started
CHAIN OF IMMU-KEYPROCEDURE 4
(EL-400, “Diagnostic
Procedure 4”)Malfunction of key ID
chipE5
Communication line
between ANT/ AMP and
IMMU:
Open circuit or short
circuit of battery voltage
line or ground lineE1
E2
Open circuit in power
source line of ANT/ AMP
circuitE3
Open circuit in ground
line of ANT/ AMP circuitE4
Antenna amp. E6
Dongle unit G
IMMU A
ID DISCORD, IMM-ECMPROCEDURE 5
(EL-403, “Diagnostic
Procedure 5”)System initialization has
not yet been completed.F
ECM B
LOCK MODEPROCEDURE 7
(EL-406, “Diagnostic
Procedure 7”)LOCK MODE D
Security indicator light-
ing up*DON’T ERASE
BEFORE CHECKING
ENG DIAGWORK FLOW
(EL-393, “Work Flow”)Engine trouble data and
NATS trouble data have
been detected in ECM—
*: When NATS detects trouble, the security indicator lights up while ignition key is in the “ON” position.
SYMPTOM MATRIX CHART 2NJEL0590S03Non self-diagnosis related item
SYMPTOMDIAGNOSTIC PROCEDURE
(Reference page)SYSTEM
(Malfunctioning part or mode)REFERENCE PART NO. OF
ILLUSTRATION ON SYSTEM
DIAGRAM
Security ind. does not light up.PROCEDURE 6
(EL-404, “Diagnostic Proce-
dure 6”)Security ind. —
Open circuit between Fuse and
IMMU—
Continuation of initialization
mode—
IMMU A
Security ind. does not blink just
after initialization even if the
vehicle is equipped with dongle
unit.PROCEDURE 8
(EL-407, “RHD models only:
Diagnostic Procedure 8”)NATS might be initialized with-
out connecting dongle unit
properly.—
Security ind. does not blink just
after ignition switch is turned to
ON when some malfunction
related to NATS is detected
even if the vehicle is equipped
with dongle unit.Open circuit in ground line of
dongle unit circuitC6
Open or short circuit in com-
munication line between IMMU
and dongle unitC5
Dongle unit G
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
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IDX
NATS (NISSAN ANTI-THEFT SYSTEM)
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-395

SYMPTOMDIAGNOSTIC PROCEDURE
(Reference page)SYSTEM
(Malfunctioning part or mode)REFERENCE PART NO. OF
ILLUSTRATION ON SYSTEM
DIAGRAM
Security ind. dose not blink just
after ignition switch is turned to
ON.
Engine can not be started*PROCEDURE 9
(EL-408, “Diagnostic Proce-
dure 9”)Open or short circuit starter
motor between smart entrance
control unit—
*: CONSULT-II Self-diagnostic results display screen “no malfunction isdetected”.
DIAGNOSTIC SYSTEM DIAGRAMNJEL0590S04
SIIA1667E
SEL152X
DIAGNOSTIC PROCEDURE 1NJEL0590S05Self-diagnostic results:
“ECM INT CIRC-IMMU” displayed on CONSULT-II screen
1. Confirm SELF-DIAGNOSTIC RESULTS “ECM INT CIRC-
IMMU” displayed on CONSULT-II screen.
2. Replace ECM.
Ref. part No. B
3. Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation manual
NATS”.
NATS (NISSAN ANTI-THEFT SYSTEM)
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-396

DIAGNOSTIC PROCEDURE 2=NJEL0590S06Self-diagnostic results:
“CHAIN OF ECM-IMMU” displayed on CONSULT-II screen
1 CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “CHAIN OF ECM-IMMU” displayed on CONSULT-II screen.
NOTE:
In rare case, “CHAIN OF ECM-IMMU” might be stored during key registration procedure, even if the system is not mal-
functioning.
SEL292W
Is CONSULT-II screen displayed as above?
Ye s G O T O 2 .
No GO TO EL-394, “SYMPTOM MATRIX CHART 1”.
2 CHECK POWER SUPPLY CIRCUIT FOR IMMU
1. Disconnect IMMU connector.
2. Check voltage between IMMU (Smart entrance control unit) harness connector M195 terminal 56 (R/B) and ground
CONSULT-II or tester.
SIIA1669E
Battery voltage should exist.
OK or NG
OK GO TO 3.
NGCheck the following
10A fuse [No. 12, located in the fuse block (J/B)]
Harness for open or short between fuse and IMMU connector
Ref. Part No. C1
GI
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LC
EC
FE
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IDX
NATS (NISSAN ANTI-THEFT SYSTEM)
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-397

3 CHECK IGN SW. ON SIGNAL
1. Turn ignition switch ON.
2. Check voltage between IMMU (Smart entrance control unit) harness connector M42 terminal 29 (Y/G) and ground with
CONSULT-II or tester.
SIIA1668E
Battery voltage should exist.
OK or NG
OK GO TO 4.
NoCheck the following
10A fuse [No. 10, located in the fuse block (J/B)]
Harness for open or short between fuse and IMMU connector
Ref. part No. C2
4 CHECK GROUND CIRCUIT FOR IMMU
1. Turn ignition OFF.
2. Check continuity between IMMU (Smart entrance control unit) harness connector M195 terminal 53 (B) and ground.
SIIA1565E
Continuity should exist.
OK or NG
OK GO TO 5.
NG Repair harness.Ref. part No. C3
5 REPLACE IMMU (SMART ENTRANCE CONTROL UNIT)
1. Replace IMMU (Smart entrance control unit)Ref. part No. A
2. Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation manual NATS”.
Does the engine start?
OK IMMU (Smart entrance control unit) is malfunctioning.
No ECM is malfunctioning.
Replace ECM.Ref. part No. B
Perform initialization with CONSULT-II
For initialization, refer to “CONSULT-II operation manual NATS”
NATS (NISSAN ANTI-THEFT SYSTEM)
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-398

DIAGNOSTIC PROCEDURE 3NJEL0590S07Self-diagnostic results:
“DIFFERENCE OF KEY” displayed on CONSULT-II screen
1 CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “DIFFERENCE OF KEY” displayed on CONSULT-II screen.
SEL367X
Is CONSULT-II screen displayed as above?
Ye s G O T O 2 .
No GO TO EL-394, “SYMPTOM MATRIX CHART 1”.
2 PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II. Re-register all NATS ignition key IDs.
For initialization and registration of NATS ignition key IDs, refer to “CONSULT-II operation manual NATS”.
NOTE:
If the initialization is not completed or fails, CONSULT-II shows above message on the screen.
SEL297W
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 IMMU (Smart entrance control unit) is malfunctioning.
Replace IMMU (Smart entrance control unit).Ref. part No. A
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation manual NATS”.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
NATS (NISSAN ANTI-THEFT SYSTEM)
Trouble Diagnoses/QG and YD Engine Models with Common Rail (Cont’d)
EL-399