Nissan Primera P12. Instruction — part 113
NATS (NISSAN ANTI-THEFT SYSTEM)
BL-161
C
D
E
F
G
H
J
K
L
M
A
B
BL
DIAGNOSTIC SYSTEM DIAGRAM
Diagnostic Procedure 1
EIS005JD
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.
2.
Replace ECM.
Ref. part No. B
3.
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation instruction NATS”.
Diagnostic Procedure 2
EIS005JE
Self-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 malfunctioning.
Is CONSULT-II screen displayed as above?
Yes
>> GO TO 2
No
>> GO TO
BL-159, "SYMPTOM MATRIX CHART 1"
.
SIIA1667E
SEL152X
SEL292W
BL-162
NATS (NISSAN ANTI-THEFT SYSTEM)
2.
CHECK POWER SUPPLY CIRCUIT FOR IMMU
1.
Turn ignition switch OFF.
2.
Disconnect IMMU connector.
3.
Check voltage between IMMU (Smart entrance control unit) harness connector M43 terminal 56 and
ground CONSULT-II or tester.
OK or NG
OK
>> GO TO 3
NG
>> Check 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
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 and
ground with CONSULT-II or tester.
OK or NG
OK
>> GO TO 4
NG
>> Check 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 M43 terminal 53 and
ground.
OK or NG
OK
>> GO TO 5
NG
>> Repair harness. Ref. part No. C3
56 (R/B) - Ground
: Battery voltage
SIIA1669E
29 (Y/G) - Ground
: Battery voltage
SIIA1668E
53 (B) - Ground
: Continuity should exist.
SIIA1565E
NATS (NISSAN ANTI-THEFT SYSTEM)
BL-163
C
D
E
F
G
H
J
K
L
M
A
B
BL
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 instruction NATS”.
Does the engine start?
Yes
>> 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 instruction NATS”
Diagnostic Procedure 3
EIS005JF
Self-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.
Is CONSULT-II screen displayed as above?
Yes
>> GO TO 2
No
>> GO TO
BL-159, "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 instruction NATS”.
NOTE:
If the initialization is not completed or fails, CONSULT-II shows
above 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
>>
●
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 man-
ual NATS”.
SEL367X
SEL297W
BL-164
NATS (NISSAN ANTI-THEFT SYSTEM)
Diagnostic Procedure 4
EIS005JG
Self-diagnostic results:
“CHAIN OF IMMU-KEY” displayed on CONSULT-II screen
1.
CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “CHAIN OF IMMU-KEY”
displayed on CONSULT-II screen.
Is CONSULT-II screen displayed as above?
Yes
>> GO TO 2
No
>> GO TO
BL-159, "SYMPTOM MATRIX CHART 1"
.
2.
CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. Refer to
BL-170, "How to Replace NATS Antenna Amp"
.
OK or NG
OK
>> GO TO 3
NG
>> Reinstall NATS antenna amp. correctly.
3.
CHECK 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-II.
●
For initialization, refer to “CONSULT-II Operation Instruction NATS”.
No
>> GO TO 4.
4.
CHECK POWER SUPPLY FOR NATS ANTENNA AMP.
Check voltage between NATS antenna amp. harness connector M34 terminal 1(G) and ground with analogue
tester.
OK or NG
OK
>> GO TO 5.
NG
>>
●
Check harness for open or short between NATS
antenna amp and IMMU (Smart entrance control
unit).
NOTE:
If harness is OK, replace IMMU, perform initialization with CONSULT-II. For initialization, refer
to “CONSULT-II operation instruction NATS”.
SEL957W
Before turning ignition switch “ON”
Voltage: 0V
Just after turning ignition switch “ON”
: Pointer of tester should move.
SIIA1670E
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