INFINITI QX4 2005 Factory Service Manual

BL-154
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: October 20052005 QX56
Diagnostic Procedure 6EIS008SA
“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 >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2. CHECK SECURITY INDICATOR LAMP
1. Start engine and turn ignition switch OFF.
2. 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 security indicator lamp.
2. Check voltage between security indicator lamp connector M24
terminal 8 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK BCM (NATS CONTROL UNIT) FUNCTION
1. Connect security indicator lamp.
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
Manual NATS-IVIS/NVIS”.
NG >> Check the following:

Harness for open or short between security indicator lamp and BCM (NATS control unit).

Indicator lamp condition Security indicator lamp should light up.
8 - Ground :Battery voltage
LIIA1072E
23 - Ground :Battery voltage
LIIA0523E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
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How to Replace NATS Antenna Amp.EIS008SB
NOTE:

If NATS antenna amp. is not installed correctly, IVIS (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 when only NATS antenna
amp. is replaced with a new one.
SIIA1683E

BL-156
HOMELINK UNIVERSAL TRANSCEIVER
Revision: October 20052005 QX56
HOMELINK UNIVERSAL TRANSCEIVERPFP:96401
Wiring Diagram — TRNSCV —EIS008SC
WIWA0759E

HOMELINK UNIVERSAL TRANSCEIVER
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Revision: October 20052005 QX56
Trouble DiagnosesEIS008SD
DIAGNOSTIC PROCEDURE
SYMPTOM: Transmitter does not activate receiver.
Before conducting the procedure given below, make sure that system receiver (garage door opener, etc.)
operates with original, hand-held transmitter. If NG, receiver or hand-held transmitter is malfunctioning, not
vehicle related.
1. ILLUMINATE CHECK

Turn ignition switch OFF.

Does amber light (LED) of transmitter illuminate when any but-
ton is pressed?
YES or NO
YES >> GO TO 2.
NO >> GO TO 3.
2. TRANSMITTER CHECK
Check transmitter with Tool.*
*For details, refer to Technical Service Bulletin.
OK or NG
OK >> Receiver or hand-held transmitter malfunction, not vehicle related.
NG >> Replace transmitter.
3. POWER SUPPLY CHECK
1. Disconnect transmitter.
2. Check voltage between Homelink® universal transceiver connector R106 terminal 1 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace fuse or harness.
LIIA1466E
1 - Ground : Battery voltage
LIIA1467E

BL-158
HOMELINK UNIVERSAL TRANSCEIVER
Revision: October 20052005 QX56
4. GROUND CIRCUIT CHECK
Check continuity between Homelink® universal transceiver connector R106 terminal 2 and body ground.
OK or NG
OK >> Replace compass and thermometer assembly.
NG >> Repair or replace harness.2 - Ground : Continuity should exist.
LIIA2039E

CAB AND REAR BODY
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Revision: October 20052005 QX56
CAB AND REAR BODYPFP:93020
Body MountingEIS008SE
When removing, be sure to replace bolts and nuts (sealant applied bolts or self-lock nuts are used for all
mounting).
LIIA1564E

BL-160
BODY REPAIR
Revision: October 20052005 QX56
BODY REPAIRPFP:60100
Body Exterior Paint ColorEIS008SF
M: Metallic; 2S: 2-Coat Solid, 2P: 2-Coat Pearl; 3P: 3-Coat Pearl; t: New Cross Linking Clear Coat
LIIA1437E
ComponentColor code B18 EY2 G10 J20 K11 K12 Q11
DescriptionCobalt
Blue KashmirLiquid
OnyxJadeSilver
GraphiteSilver
IndulgenceTu sc an
Pearl
Clear coat t t t t t t t
1Outside
mirrorBodyChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
Base Black KH3 KH3 KH3 KH3 KH3 KH3 KH3
2Radiator
grilleCenter
and
emblemChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
3 Bumpers Fascias Body color B18 EY2 G10 J20 K11 K12 Q11
4 Valance Black KH3 KH3 KH3 KH3 KH3 KH3 KH3
5Running
BoardsBody Body color B18 EY2 G10 J20 K11 K12 Q11
Step pad Black KH3 KH3 KH3 KH3 KH3 KH3 KH3
6Outside
handlesChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
7Side
Guard
MoldingBase Body color B18 EY2 G10 J20 K11 BK12 BQ10
To p T r i mChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
8License
plate fin-
isherBase Body color B18 EY2 G10 J20 K11 K12 Q11
Top and
bottom
trimChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
9Cowl top
coverBody color B18 EY2 G10 J20 K11 K12 Q11
10Rear
spoilerBody color B18 EY2 G10 J20 K11 K12 Q11

BODY REPAIR
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Body Component PartsEIS008SG
UNDERBODY COMPONENT PARTS
LIIA0908E

BL-162
BODY REPAIR
Revision: October 20052005 QX56
1. Hoodledge assembly (RH, LH)
2. Hoodledge reinforcement (RH, LH)
3. Body mounting bracket (RH, LH)
4. Hoodledge front brace (RH), Battery mounting bracket (LH)
5. Harness connector bracket
6. Rear floor reinforcement
7. Rear floor
8. Rear floor reinforcement
9. Rear floor side (RH, LH)
10. Crossmember
11. Second seat rear crossmember
12. Second seat front crossmember
13. Rear front seat crossmember
14. Second Body crossmember
15. Front floor
16. Front seat front crossmember
17. Front floor reinforcement
18. Outer sill (RH, LH)
19. Second crossmember extension
20. Rear crossmember end
21. Rear lower crossmember end
22. Rear crossmember end (RH, LH)
23. Rear side member rear reinforcement (RH, LH)
24. Rear side member (RH, LH)
25. Rear side member reinforcement (RH, LH)
26. Inner sill extension (RH, LH)
27. Rear crossmember
28. Upper dash top
29. Upper dash bottom
30. Cowl top
31. Lower dash
32. Lower dash insulator (RH)
33. Lower dash reinforcement
34. Side dash (RH, LH)
35. Lower dash insulator

BODY REPAIR
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BODY COMPONENT PARTS
LIIA1438E