steering INFINITI QX56 2008 Factory Service Manual

WARNING FUNCTIONDLK-35
< FUNCTION DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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WARNING METHOD
The following table shows the alarm or warning methods with chime.
Combination meter shows information display when the warning conditions are met.
Engine start information Ignition switch is ON posi-
tion
• Ignition switch: ON position.
• Shift position: P position
• Engine is stopped
Ignition switch is except
ON position • Ignition switch: Except ON position.
• Shift position: P position
• Intelligent Key can be detected inside the vehicle.
Steering lock information When steering lock can not be released after ignition switch is turned ON.
Intelligent Key low battery warning When Intelligent Key has low battery, it is detected by BCM after ignition switch
is turned ON.
Key ID warning When registered intelligent Key cannot be detected inside the vehicle after ig-
nition switch is turned ON.
Warning/Information functions
Operation procedure
Warning/Information functions Combination meter display Warning chime
Combination
meter buzzer Intelligent
Key warning buzzer
Intelligent Key system malfunction ———
OFF position warn-
ing For internal
—Activate —
For external —— Activate
P position warning Activate —
Ta k e a w a y w a r n i n g Door is open to
close
Activate Activate
Door is open ——
Ta k e a w a y
through window Activate —
Door lock operation
warning Request switch
operation
——
Activ a te
Intelligent Key
operation ——
Activ a te
Key ID warning ——
JMKIA0037GB
JMKIA0036GB
JMKIA0036GB
Revision: March 2010 2008 QX56

DLK-36
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
WARNING FUNCTION
LIST OF OPERATION RELATED PARTS
Parts marked with
× are the parts related to operation.
Engine start information ——
Steering lock information ——
Intelligent Key low battery warning ——
Warning/Information functions Combination meter display
Warning chime
Combination
meter buzzer Intelligent
Key warning
buzzer
ALKIA0967ZZ
ALKIA0702ZZ
JMKIA0048GB
Warning function
Intelligent Key
Intelligent Key unit
Ignition switch
Door switch
Door request switch
Inside key antenna
Outside key antenna
Intelligent Key warning buzzer
Combination meter warning buzzer
CAN communication system
BCM
Combination meter display
Park position switch
“KEY” warning lamp
Intelligent Key system malfunction ×××
OFF position warning For internal
×× ××
For external ×× ××
P position warning ×××× ××
Ta k e a w a y w a r n i n g Door is open or close
×× × × ×××××
Door is open ×××× ×××
Take away through win-
dow ××
× ×× ×
Intelligent Key is removed
from vehicle ××
×× ×
Door lock operation warning ×× ××××× ××
Key ID warning ××× ××××
Revision: March 2010 2008 QX56

WARNING FUNCTIONDLK-37
< FUNCTION DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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Key warning ×× × ××××
Intelligent Key insert information ×××× ××××
Engine start information Ignition switch is ON posi-
tion
××× ×
××××
Ignition switch is except
ON position ××× ×
×××
Steering lock information ××× ×
Intelligent Key low battery warning ×××× ×
Warning function
Intelligent Key
Intelligent Key unit
Ignition switch
Door switch
Door request switch
Inside key antenna
Outside key antenna
Intelligent Key warning buzzer
Combination meter warning buzzer
CAN communication system
BCM
Combination meter display
Park position switch
“KEY” warning lamp
Revision: March 2010
2008 QX56

WARNING FUNCTIONDLK-39
< FUNCTION DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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O PALKIA0579ZZ
1. Horn E3 (view with hood open) 2. IPDM E/R E122, E124
(view with co ver removed) 3. Horn relay H-1
4. Remote keyless entry receiver M25 (view with instrume nt panel RH removed) 5. Intelligent key warning buzzer E25 6. Combination meter M23, M24
7. Intelligent Key unit M70 (view with instrument panel LH removed) 8. BCM M18, M19, M20
(view with instrument panel LH removed) 9. Steering lock solenoid M15
(view with steering column removed)
10. Key switch and ignition knob switch M12 11. A/T shift selector (park position switch) M203
(view with center console removed)12. Inside key antenna 3 (front of center
console) M210
(view with center console removed)
13. Inside key antenna 1 (rear of center con- sole) M209 14. Inside key antenna 4 (overhead console
area) R210
(view with overhead console removed) 15. Inside key antenna 2 (luggage com-
partment) B76
(view with rear carpet removed)
16. Rear bumper antenna C7 (view with rear bumper removed) 17. Back door latch D503
18. Front outside antenna LH D15
Front outside antenna RH D115
19. Front door request switch LH D16 Front door request switch RH D116 20. Front door lock assembly LH (door un-
lock sensor) D14 21. Front door switch LH B8
RH B108
22. Rear door switch LH B18 RH B116
Revision: March 2010 2008 QX56

DLK-42
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
KEY REMINDER FUNCTION
ALKIA0579ZZ
1. Horn E3
(view with hood open) 2. IPDM E/R E122, E124
(view with cover removed) 3. Horn relay H-1
4. Remote keyless entry receiver M25 (view with instrume nt panel RH removed) 5. Intelligent key warning buzzer E25 6. Combination meter M23, M24
7. Intelligent Key unit M70 (view with instrument panel LH removed) 8. BCM M18, M19, M20
(view with instrument panel LH removed) 9. Steering lock solenoid M15
(view with steering column removed)
10. Key switch and ignition knob switch M12 11. A/T shift selector (park position switch) M203
(view with center console removed)12. Inside key antenna 3 (front of center
console) M210
(view with center console removed)
13. Inside key antenna 1 (rear of center con- sole) M209 14. Inside key antenna 4 (overhead console
area) R210
(view with overhead console removed) 15. Inside key antenna 2 (luggage com-
partment) B76
(view with rear carpet removed)
16. Rear bumper antenna C7 (view with rear bumper removed) 17. Back door latch D503
18. Front outside antenna LH D15
Front outside antenna RH D115
19. Front door request switch LH D16 Front door request switch RH D116 20. Front door lock assembly LH (door un-
lock sensor) D14 21. Front door switch LH B8
RH B108
22. Rear door switch LH B18 RH B116
Revision: March 2010 2008 QX56

HAZARD AND BUZZER REMINDER FUNCTIONDLK-45
< FUNCTION DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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1. Horn E3 (view with hood open) 2. IPDM E/R E122, E124
(view with co ver removed) 3. Horn relay H-1
4. Remote keyless entry receiver M25 (view with instrume nt panel RH removed) 5. Intelligent key warning buzzer E25 6. Combination meter M23, M24
7. Intelligent Key unit M70 (view with instrument panel LH removed) 8. BCM M18, M19, M20
(view with instrument panel LH removed) 9. Steering lock solenoid M15
(view with steering column removed)
10. Key switch and ignition knob switch M12 11. A/T shift selector (park position switch) M203
(view with center console removed)12. Inside key antenna 3 (front of center
console) M210
(view with center console removed)
13. Inside key antenna 1 (rear of center con- sole) M209 14. Inside key antenna 4 (overhead console
area) R210
(view with overhead console removed) 15. Inside key antenna 2 (luggage com-
partment) B76
(view with rear carpet removed)
16. Rear bumper antenna C7 (view with rear bumper removed) 17. Back door latch D503
18. Front outside antenna LH D15
Front outside antenna RH D115
19. Front door request switch LH D16 Front door request switch RH D116 20. Front door lock assembly LH (door un-
lock sensor) D14 21. Front door switch LH B8
RH B108
22. Rear door switch LH B18 RH B116
Revision: March 2010 2008 QX56

STEERING LOCK UNITDLK-95
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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STEERING LOCK UNIT
Diagnosis ProcedureINFOID:0000000001539004
1.CHECK STEERING LOCK SOLENOID POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect steering lock solenoid connector.
3. Check voltage between steering lock solenoid harness connector M15 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace steering lock solenoid power supply circuit.
2.CHECK STEERING LOCK SOLENOID GROUND CIRCUIT
Check continuity between steering lock sol enoid harness connector M15 terminal 4 and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace the steering lock solenoid ground cir- cuit.
3.CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect steering lock solenoid connector.
2. Check voltage between Intelligent Key unit harness connector M70 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 6
4.CHECK STEERING LOCK COMMUNICATION SIGNAL
Check signal between Intelligent Key unit connector M70 terminal 32 and ground with oscilloscope. 1 - Ground : Battery voltage
WIIA1202E
4 - Ground
: Continuity should exist.
WIIA1203E
1 - Ground : Approx. 5V
WIIA1204E
Revision: March 2010 2008 QX56

DLK-96
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
STEERING LOCK UNIT
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 6
5.CHECK STEERING LOCK SOLENOID COMMUNICA
TION CIRCUIT FOR OPEN
1. Disconnect Intelligent Key unit and steering lock solenoid connectors.
2. Check continuity between Intelligent Key unit harness connector (B) M70 terminals 1, 32 and steering lock solenoid connector (A) M15 terminals 2, 3.
Is the inspection result normal?
YES >> Replace steering lock solenoid. • After replacing steering lock solenoid, perform regis-
tration procedure. Refer to SEC-13, "
System Descrip-
tion".
NO >> Repair or replace harness between steering lock sole-
noid and Intelligent Key unit.
6.CHECK STEERING LOCK SOLENOID COMMUNICATION CIRCUIT FOR SHORT
1. Disconnect Intelligent Key unit and steering lock solenoid connectors.
2. Check continuity between steering lock so lenoid connector M15 terminals 2, 3 and ground.
Is the inspection result normal?
YES >> Replace Intelligent Key unit. Refer to SEC-116,
"Removal and Installation".
NO >> Repair or replace harness between steering lock sole-
noid and Intelligent Key unit.
Connector Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 32 Ground Ignition
switch is
pushed
WIIA1205ESIIA1911J
1 - 2 : Continuity should exist.
32 - 3 : Continuity should exist.
ALKIA0661ZZ
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist.
ALKIA0662ZZ
Revision: March 2010 2008 QX56

INTELLIGENT KEY UNITDLK-165
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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INTELLIGENT KEY UNIT
Reference Value - Intelligent Key UnitINFOID:0000000001539057
TERMINAL LAYOUT
PHYSICAL VALUES
WIIA1168E
Te r m i n a lWire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch Po- sition Operation or Conditions
1L/Y Steering lock sole-
noid power supply LOCK
— 5
2 L CAN-H —— —
3 P CAN-L —— —
4GR Intelligent Key warn-
ing buzzer (front of
vehicle) LOCK
Operate door request
switch. Buzzer OFF
Battery voltage
Buzzer ON 0
5B/W Front door request
switch LH —Press front door request switch LH.
0
Other than above Battery voltage
6 G/R Ignition switch (ON) ON —Battery voltage
7 B/R Key switch LOCKInsert mechanical key into ignition key
cylinder.
Battery voltage
Remove mechanical key from ignition
key cylinder. 0
8G Remote keyless en-
try receiver ground
—— 0
9GR Remote keyless en-
try receiver signal —When remote keyless entry receiver re-
ceives signal from keyfob.
Stand-by
11 Y Power source (Fuse) — —Battery voltage
12 B Ground —— 0
OCC3879D
Revision: March 2010 2008 QX56

INTELLIGENT KEY UNITDLK-167
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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30 G/B Remote keyless en-
try receiver power
supply
—— 5
32 L/O Steering lock sole-
noid communication
signal LOCKWhen Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above
5
33 W Rear parcel shelf an-
tenna (+) signal
LOCKPress ignition knob switch: ON (Ignition
knob switch)
34 BR Rear parcel shelf an-
tenna (-) signal
35 O Inside key antenna 2
(luggage compart-
ment) (+) signal
LOCK Back door open → all doors closed
36 R Inside key antenna 2
(luggage compart-
ment) (-) signal
37 LG Front outside anten-
na (+) signal RH
LOCK Press front door request switch RH.
38 B/Y Front outside anten-
na (-) signal RH
39 L/R P range switch —A/T shift selector lever is in “P” position.
0
Other than above Battery voltage
40 V AS select unlock out-
put
—UNLOCK with rear door locks disabled.
0
Other than above Battery voltage
Te r m i n a l
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch Po-
sition Operation or Conditions
SIIA1911J
PIIB7441E
PIIB7441E
SIIA1910J
Revision: March 2010
2008 QX56