Nissan Pathfinder (2005 year). Instruction — part 103
NVIS(NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
BL-111
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D
E
F
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A
B
BL
2005 Pathfinder
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-IVIS/
NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
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-II.
●
For initialization, refer to “CONSULT-II Operation
Instruction NATS-IVIS/NVIS”.
Diagnostic Procedure 3
EIS0040P
Self-diagnostic results:
“ID DISCORD, IMM-ECM” displayed on CONSULT-II screen
1.
CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “ID DISCORD, IMM-ECM” displayed on CONSULT-II screen.
NOTE:
“ID DISCORD IMM-ECM”:
Registered ID of BCM is in discord with that of ECM.
Is CONSULT-II screen displayed as above?
Yes
>> GO TO 2.
No
>> GO TO
BL-107, "SYMPTOM MATRIX CHART 1"
.
2.
PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II. Re-register all NATS ignition key IDs.
For initialization, refer to “CONSULT-II Operation Instruction NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
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-II.
For initialization, refer to “CONSULT-II Operation Instruction NATS-IVIS/NVIS”.
SEL297W
PIIA1262E
SEL297W
BL-112
NVIS(NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
2005 Pathfinder
Diagnostic Procedure 4
EIS0040Q
Self-diagnostic results:
“LOCK MODE” displayed on CONSULT-II screen
1.
CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “LOCK MODE” is displayed
on CONSULT-II screen.
Is CONSULT-II screen displayed as above?
Yes
>> GO TO 2.
No
>> GO TO
BL-107, "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”). Clear all codes.
No
>> GO TO 3.
3.
PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Instruction NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
shows the message on the screen.
Can the system be initialized?
Yes
>> System is OK.
No
>> GO TO 4.
PIIA1264E
SEL297W
NVIS(NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
BL-113
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D
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B
BL
2005 Pathfinder
4.
PERFORM INITIALIZATION WITH CONSULT-II AGAIN
1.
Replace BCM.
2.
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Instruction NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
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-II.
For initialization, refer to “CONSULT-II Operation
Instruction NATS-IVIS/NVIS”.
Diagnostic Procedure 5
EIS0040R
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-107, "SYMPTOM MATRIX CHART 1"
.
2.
CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. Refer to
BL-117, "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-II.
For initialization, refer to “CONSULT-II Operation Instruction NATS-IVIS/NVIS”.
No
>> GO TO 4.
SEL297W
PIIA1263E
BL-114
NVIS(NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
2005 Pathfinder
4.
CHECK POWER SUPPLY FOR NATS ANTENNA AMP.
1.
Turn ignition switch OFF.
2.
Check voltage between NATS antenna amp. connector M21 terminal 1 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness. Ref. part No. E3
5.
CHECK NATS ANTENNA AMP. SIGNAL LINE- 1
Check voltage between NATS antenna amp. connector M21 terminal 2 and ground with analog tester.
OK or NG
OK
>> GO TO 6.
NG
>>
●
Repair or replace harness. Ref. part No. E1
NOTE:
If harness is OK, replace BCM, perform initialization with CONSULT-II. For initialization, refer to
“CONSULT-II Operation Instruction NATS-IVIS/NVIS”.
1 - Ground
: Battery voltage
LIIA1280E
2 - Ground
Before inserting key into ignition key
cylinder
Voltage: Battery voltage
After inserting key into ignition key cyl-
inder
: Pointer of tester should move for 30
seconds, then return to battery voltage.
Just after turning ignition switch ON
: Pointer of tester should move for
approx. 1 second, then return to battery
voltage.
LIIA1642E
NVIS(NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
BL-115
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A
B
BL
2005 Pathfinder
6.
CHECK NATS ANTENNA AMP. SIGNAL LINE- 2
Check voltage between NATS antenna amp. connector M21 terminal 4 and ground with analog tester.
OK or NG
OK
>> GO TO 7.
NG
>>
●
Repair or replace harness. Ref. part No. E2
NOTE:
If harness is OK, replace BCM, perform initialization with CONSULT-II. For initialization, refer to
“CONSULT-II Operation Instruction NATS-IVIS/NVIS”.
7.
CHECK NATS ANTENNA AMP. GROUND LINE CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between NATS antenna amp. connector M21 terminal 3 and ground.
OK or NG
OK
>> NATS antenna amp. is malfunctioning. Ref. part No. E6
NG
>>
●
Repair or replace harness. Ref. part No. E4
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-II. For initialization, refer to “CON-
SULT-II Operation Instruction NATS-IVIS/NVIS”.
4 - Ground
Before inserting key into ignition key
cylinder
Voltage: Battery voltage
After inserting key into ignition key
cylinder
: Pointer of tester should move for 30
seconds, then return to battery volt-
age.
Just after turning ignition switch ON
: Pointer of tester should move for
approx. 1 second, then return to bat-
tery voltage.
LIIA1643E
3 - Ground
: Continuity should exist.
LIIA1283E
BL-116
NVIS(NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
2005 Pathfinder
Diagnostic Procedure 6
EIS0040S
“SECURITY INDICATOR LAMP DOES NOT LIGHT UP”
1.
CHECK FUSE
Check 10A fuse [No.19, located in the fuse block (J/B)].
OK or NG
OK
>> GO TO 2.
NG
>> Replace fuse.
2.
CHECK SECURITY INDICATOR LAMP
1.
Install 10A fuse.
2.
Start engine and turn ignition switch OFF.
3.
Check the security indicator lamp lights up.
OK or NG
OK
>> Inspection End.
NG
>> GO TO 3.
3.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1.
Disconnect combination meter.
2.
Check voltage between combination meter connector M24 ter-
minal 3 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
4.
CHECK BCM (NATS CONTROL UNIT) FUNCTION
1.
Connect combination meter.
2.
Disconnect BCM.
3.
Check voltage between BCM connector M18 terminal 23 and
ground.
OK or NG
OK
>> BCM is malfunctioning.
●
Replace BCM.
Ref. part No. A
●
Perform initialization with CONSULT-II.
●
For initialization, refer to “CONSULT-II Operation
Instruction NATS-IVIS/NVIS”.
NG
>> Check the following.
●
Harness for open or short between combination meter and BCM (NATS control unit).
●
Combination meter
Security indicator lamp should light up.
3 - Ground
: Battery voltage
WIIA0467E
23 - Ground
: Battery voltage
LIIA0523E
NVIS(NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
BL-117
C
D
E
F
G
H
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K
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M
A
B
BL
2005 Pathfinder
How to Replace NATS Antenna Amp.
EIS0040T
NOTE:
●
If NATS antenna amp. is not installed correctly, NVIS (NATS)
system will not operate properly and SELF-DIAG RESULTS
on CONSULT-II screen will show “LOCK MODE” or “CHAIN
OF IMMU-KEY”.
●
Initialization is not necessary only when NATS antenna
amp. is replaced with a new one.
SIIA1683E
BL-118
HOMELINK UNIVERSAL TRANSCEIVER
2005 Pathfinder
HOMELINK UNIVERSAL TRANSCEIVER
PFP:96401
Wiring Diagram — TRNSCV —
EIS0040U
WIWA0553E
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