Infiniti QX4 (R50). Manual — part 381
DIAGNOSTIC PROCEDURE 3
=NBEL0224S07
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.
SEL367X
Is CONSULT-II screen displayed as above?
Yes
©
GO TO 2.
No
©
GO TO SYMPTOM MATRIX CHART 1.
2
PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II. Re-register all IVIS (NATS) ignition key IDs.
For initialization and registration of IVIS (NATS) ignition key IDs, refer to “CONSULT-II operation manual IVIS/NVIS”.
SEL297W
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 IVIS (NATS) ignition key?
Yes
©
Ignition key ID was unregistered. Ref. part No. D
No
©
IMMU is malfunctioning.
Replace IMMU. Ref. part No. A
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation manual IVIS/NVIS”.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Trouble Diagnoses (Cont’d)
EL-341
DIAGNOSTIC PROCEDURE 4
=NBEL0224S08
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.
SEL368X
Is CONSULT-II screen displayed as above?
Yes
©
GO TO 2.
No
©
GO TO SYMPTOM MATRIX CHART 1.
2
CHECK IVIS (NATS) IGNITION KEY ID CHIP
Start engine with another registered IVIS (NATS) ignition key.
Does the engine start?
Yes
©
Ignition key ID chip is malfunctioning.
Replace the ignition key.
Ref. part No. E
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual IVIS/NVIS”.
No
©
GO TO 3.
3
CHECK IMMU INSTALLATION
Check IMMU installation.
Refer to “How to Replace IMMU” in EL-347.
OK or NG
OK
©
IMMU is malfunctioning.
Replace IMMU. Ref. part No. A
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual IVIS/NVIS”.
NG
©
Reinstall IMMU correctly.
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Trouble Diagnoses (Cont’d)
EL-342
DIAGNOSTIC PROCEDURE 5
=NBEL0224S09
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.
SEL369X
NOTE:
“ID DISCORD IMMU-ECM”:
Registered ID of IMMU is in discord with that of ECM.
Is CONSULT-II screen displayed as above?
Yes
©
GO TO 2.
No
©
GO TO SYMPTOM MATRIX CHART 1.
2
PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II. Re-register all IVIS (NATS) ignition key IDs.
For initialization, refer to “CONSULT-II operation manual IVIS/NVIS”.
SEL297W
NOTE:
If the initialization is not completed or fails, CONSULT-II shows above 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. F
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation manual IVIS/NVIS”.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Trouble Diagnoses (Cont’d)
EL-343
DIAGNOSTIC PROCEDURE 6
=NBEL0224S10
“SECURITY INDICATOR LAMP DOES NOT LIGHT UP”
1
CHECK FUSE
Check 10A fuse [No. 12, located in the fuse block (J/B)].
Is 10A fuse OK?
Yes
©
GO TO 2.
No
©
Replace fuse.
2
CHECK SECURITY INDICATOR LAMP
1. Install 10A fuse.
2. Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual IVIS/NVIS”.
3. Turn ignition switch OFF.
4. Start engine and turn ignition switch OFF.
5. Check the security indicator lamp lighting.
Security indicator lamp should be blinking.
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 3.
3
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Disconnect security indicator lamp connector.
2. Check voltage between security indicator lamp connector terminal 1 and ground.
SEL370X
OK or NG
OK
©
GO TO 4.
NG
©
Check harness for open or short between fuse and security indicator lamp.
4
CHECK SECURITY INDICATOR LAMP
Check security Indicator Lamp.
Is security indicator lamp OK?
Yes
©
GO TO 5.
No
©
Replace security indicator lamp.
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Trouble Diagnoses (Cont’d)
EL-344
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