Infiniti I30 (A33). Manual — part 437
Detected items (NATS program card
screen terms)
P No. Code
(Self-diag-
nostic result
of “ENGINE”
Malfunction is detected when . .
Reference page
LOCK MODE
NATS MAL-
FUNCTION
P1610
When the starting operation is carried out five or more
times consecutively under the following conditions, IVIS
(NATS) will shift the mode to one which prevents the
engine from being started.
I
Unregistered ignition key is used.
I
IMMU or ECM’s malfunctioning.
DON’T ERASE BEFORE
CHECKING ENG DIAG
—
All engine trouble codes except IVIS (NATS) trouble
code has been detected in ECM.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
CONSULT-II (Cont’d)
EL-417
Trouble Diagnoses
NHEL0177
WORK FLOW
NHEL0177S01
SEL024X
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Trouble Diagnoses
EL-418
SYMPTOM MATRIX CHART 1
NHEL0177S02
(Self-diagnosis related item)
SYMPTOM
Displayed “SELF-DIAG
RESULTS” on CON-
SULT-II screen.
DIAGNOSTIC PROCE-
DURE
(Reference page)
SYSTEM
(Malfunctioning part or
mode)
REFERENCE PART NO.
OF ILLUSTRATION ON
NEXT PAGE
I
Security indicator
lighting up*
I
Engine hard to start
ECM INT CIRC-IMMU
PROCEDURE 1
ECM
B
CHAIN OF ECM-IMMU
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
circuit
C1
Open circuit in ignition
line of IMMU circuit
C2
Open circuit in ground
line of IMMU circuit
C3
Open circuit in commu-
nication line between
IMMU and ECM
C4
Short circuit between
IMMU and ECM com-
munication line and bat-
tery voltage line
C4
Short circuit between
IMMU and ECM com-
munication line and
ground line
C4
ECM
B
IMMU
A
DIFFERENCE OF KEY
PROCEDURE 3
Unregistered key
D
IMMU
A
CHAIN OF IMMU-KEY
PROCEDURE 4
Malfunction of key ID
chip
E
IMMU
A
ID DISCORD, IMM-
ECM
PROCEDURE 5
System initialization has
not yet been com-
pleted.
F
ECM
F
LOCK MODE
PROCEDURE 7
LOCK MODE
D
I
MIL staying ON
I
Security indicator
lighting up*
DON’T ERASE
BEFORE CHECKING
ENG DIAG
WORK FLOW
Engine trouble data and
IVIS (NATS) trouble
data have been
detected in ECM
—
*: When IVIS (NATS) detects trouble, the security indicator lights up while ignition key is in the “ON” position.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Trouble Diagnoses (Cont’d)
EL-419
SYMPTOM MATRIX CHART 2
NHEL0177S03
(Non self-diagnosis related item)
SYMPTOM
DIAGNOSTIC PROCEDURE
(Reference page)
SYSTEM
(Malfunctioning part or mode)
Security ind. does not light up.
PROCEDURE 6
Security ind.
Open circuit between Fuse and IMMU
Continuation of initialization mode
IMMU
DIAGNOSTIC SYSTEM DIAGRAM
NHEL0177S04
SEL087WD
SEL314W
DIAGNOSTIC PROCEDURE 1
NHEL0177S06
Self-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. Ref. part No. B.
2.
Replace ECM.
3.
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation manual
IVIS/NVIS”.
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Trouble Diagnoses (Cont’d)
EL-420
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