2011 INFINITI QX56 door lock

BCS
DIAGNOSIS SYSTEM (BCM)BCS-31
< SYSTEM DESCRIPTION >
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WORK SUPPORT
ACTIVE TEST
RETAIND PWR
RETAIND PWR : CONSULT-III F
unction (BCM - RETAINED PWR)INFOID:0000000006376459
Data monitor
SIGNAL BUFFER
SIGNAL BUFFER : CONSULT-III F unction (BCM - SIGNAL BUFFER)INFOID:0000000006274818
DATA MONITOR
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-BK Indicates [ON/OFF] condition of back door switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock/unlock switch LH and RH.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock/unlock switch LH and RH.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from door key cylinder.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from door key cylinder.
TR/BD OPEN SW Indicates [ON/OFF] condition of back door opener switch.
TRNK/HAT MNTR NOTE:
This item is displayed, but cannot be monitored.
RKE-LOCK Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
RKE-UNLOCK Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
RKE-TR/BD NOTE:
This item is displayed, but cannot be monitored.
Monitored Item Description
Service Item Description
SECURITY ALARM SET This mode is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRG The switch which triggered vehicle security alarm is recorded.
This mode is able to confirm and erase the record of vehicle security alarm.
The trigger data can be erased by touching “CLEAR” on CONSULT-III screen.
Test Item Description
THEFT IND This test is able to check security indicator lamp operation. Security indicator lamp is turned on
when “ON” on CONSULT-III screen is touched.
VEHICLE SECURITY HORN This test is able to check horn operation. Horn is activated for 0.5 seconds after “ON” on CONSULT-
III screen is touched.
HEADLAMP(HI) This test is able to check headlamp operation. Headlamps are activated for 0.5 seconds after “ON”
on CONSULT-III screen is touched.
FLASHER This test is able to check hazard warning lamp operation. Hazard warning lamps are activated after
“ON” on CONSULT-III screen is touched.
Monitor Item Description
DOOR SW-DR Indicates [ON/OFF] condition of driver side door switch.
DOOR SW-AS Indicates [ON/OFF] condition of passenger side door switch.
Monitor item [UNIT] Description
PUSH SW
[Off/On] Displays the status of the push-button ignition switch (push switch) judged by BCM.
Revision: 2010 May2011 QX56

BCS-34
< ECU DIAGNOSIS INFORMATION >
BCM
RR FOG SWNOTE:
The item is indicated, but not monitored. Off
DOOR SW-DR Driver door closed Off
Driver door opened On
DOOR SW-AS Passenger door closed Off
Passenger door opened On
DOOR SW-RR Rear RH door closed Off
Rear RH door opened On
DOOR SW-RL Rear LH door closed Off
Rear LH door opened On
DOOR SW-BK Back door closed Off
Back door opened On
CDL LOCK SW Other than power door lock switch LOCK Off
Power door lock switch LOCK On
CDL UNLOCK SW Other than power door lock switch UNLOCK Off
Power door lock switch UNLOCK On
KEY CYL LK-SW Other than driver door key cylinder LOCK position Off
Driver door key cylinder LOCK position On
KEY CYL UN-SW Other than driver door key cylinder UNLOCK position Off
Driver door key cylinder UNLOCK position On
HAZARD SW Hazard switch is OFF Off
Hazard switch is ON On
REAR DEF SW Rear window defogger switch OFF Off
Rear window defogger switch ON On
TR/BD OPEN SW Back door opener switch OFF Off
While the back door opener switch is turned ON On
TRNK/HAT MNTR NOTE:
The item is indicated, but not monitored.
Off
FA N O N S I G NOTE:
The item is indicated, but not monitored.
Off
AIR COND SW NOTE:
The item is indicated, but not monitored. Off
RKE-LOCK LOCK button of the key is not pressed Off
LOCK button of the key is pressed On
RKE-UNLOCK UNLOCK button of the key is not pressed Off
UNLOCK button of the key is pressed On
RKE-TR/BD BACK DOOR OPEN button of the key is not pressed Off
BACK DOOR OPEN button of the key is pressed On
RKE-PANIC PANIC button of the key is not pressed Off
PANIC button of the key is pressed On
RKE-MODE CHG LOCK/UNLOCK button of the key is not pressed and held simultaneously Off
LOCK/UNLOCK button of the key is pressed and held simultaneously On
OPTI SEN (DTCT) Bright outside of the vehicle Close to 5 V
Dark outside of the vehicle Close to 0 V
OPTI SEN (FILT) Bright outside of the vehicle (Lighting switch AUTO) Close to 5 V
Dark outside of the vehicle (Lighting switch AUTO) Close to 1.50 V
Monitor Item Condition Value/Status
Revision: 2010 May2011 QX56

BCS
BCM
BCS-35
< ECU DIAGNOSIS INFORMATION >
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B A
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N
OPTICAL SENSOR
NOTE:
The item is indicated, but not monitored. Off
RAIN SENSOR No rain (or very light rain) Off
Light rain
LOW
Heavy rain HIGH
When liquid is splashed on the front window SPLSH
Rain sensor internal error NG
REQ SW -DR Driver door request switch is not pressed Off
Driver door request switch is pressed On
REQ SW -AS Passenger door request switch is not pressed Off
Passenger door request switch is pressed On
REQ SW -RR NOTE:
The item is indicated, but not monitored.
Off
REQ SW -RL NOTE:
The item is indicated, but not monitored. Off
REQ SW -BD/TR Back door request switch is not pressed Off
Back door request switch is pressed On
PUSH SW Push-button ignition switch (push switch) is not pressed Off
Push-button ignition switch (push switch) is pressed On
CLUCH SW NOTE:
The item is indicated, but not monitored. Off
BRAKE SW 1 The brake pedal is not depressed Off
The brake pedal is depressed On
BRAKE SW 2 The brake pedal is depressed when No. 7 fuse is blown Off
The brake pedal is not depressed when No. 7 fuse is blown, or No. 7 fuse
is normal
On
DETE/CANCL SW Selector lever in P position Off
Selector lever in any position other than P On
SFT PN/N SW Selector lever in any position other than P and N Off
Selector lever in P or N position On
S/L -LOCK Steering is locked Off
Steering is unlocked On
S/L -UNLOCK Steering is unlocked Off
Steering is locked On
S/L RELAY-F/B Steering is unlocked Off
Steering is locked On
UNLK SEN -DR Driver door is locked Off
Driver door is unlocked On
PUSH SW -IPDM Push-button ignition switch (push-switch) is not pressed Off
Push-button ignition switch (push-switch) is pressed On
IGN RLY1 -F/B Ignition switch in OFF or ACC position Off
Ignition switch in ON position On
DETE SW -IPDM Selector lever in any position other than P Off
Selector lever in P position On
SFT PN -IPDM Selector lever in any position other than P and N Off
Selector lever in P or N position On
Monitor Item Condition Value/Status
Revision: 2010 May2011 QX56

BCS-36
< ECU DIAGNOSIS INFORMATION >
BCM
SFT P -METSelector lever in any position other than P Off
Selector lever in P position On
SFT N -MET Selector lever in any position other than N Off
Selector lever in N position On
ENGINE STATE Engine stopped Stop
While the engine stalls Stall
At engine cranking Crank
Engine running Run
S/L LOCK-IPDM Steering is locked Off
Steering is unlocked On
S/L UNLK-IPDM Steering is unlocked Off
Steering is locked On
S/L RELAY-REQ Steering is unlocked Off
Steering is locked On
VEH SPEED 1 While driving Equivalent to speed-
ometer reading
VEH SPEED 2 While driving Equivalent to speed-
ometer reading
DOOR STAT-DR Driver door is locked LOCK
Wait with selective UNLOCK operation (60 seconds) READY
Driver door is unlocked UNLOCK
DOOR STAT-AS Passenger door is locked LOCK
Wait with selective UNLOCK operation (60 seconds) READY
Passenger door is unlocked UNLOCK
ID OK FLAG Steering is locked Reset
Steering is unlocked Set
PRMT ENG STRT The engine start is prohibited Reset
The engine start is permitted Set
PRMT RKE STRT NOTE:
The item is indicated, but not monitored.
Reset
RKE OPE COUN1 During the operation of the key Operation frequency
of the key
RKE OPE COUN2 NOTE:
The item is indicated, but not monitored. —
CONFRM ID ALL The key ID that the key slot receives is not recognized by any key ID reg-
istered to BCM.
Ye t
The key ID that the key slot receives is recognized by any key ID regis-
tered to BCM. Done
CONFIRM ID4 The key ID that the key slot receives is not recognized by the fourth key ID
registered to BCM.
Ye t
The key ID that the key slot receives is recognized by the fourth key ID reg-
istered to BCM. Done
CONFIRM ID3 The key ID that the key slot receives is not recognized by the third key ID
registered to BCM.
Ye t
The key ID that the key slot receives is recognized by the third key ID reg-
istered to BCM. Done
Monitor Item Condition Value/Status
Revision: 2010 May2011 QX56

BCS
BCM
BCS-43
< ECU DIAGNOSIS INFORMATION >
C
D E
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B A
O P
N30
(W/L) Ground Back door opener
switch
InputBack door
opener switch Pressed 0 V
Not pressed
1.0 - 1.5 V
31
(W/G) Ground Front door lock as-
sembly driver side
(Unlock sensor) Input Driver door LOCK status (Unlock sen-
sor switch OFF)
7.0 - 8.0 V
UNLOCK status (Unlock
sensor switch ON) 0 V
32
(LG) Ground Combination switch
OUTPUT 5 OutputCombination
switch All switches OFF
(Wiper volume dial 4)
7.0 - 8.0 V
Front fog lamp switch ON
(Wiper volume dial 4)
1.0 V
Rear wiper switch ON
(Wiper volume dial 4)
Any of the condition below
with all switches OFF
 Wiper volume dial 1
 Wiper volume dial 2
 Wiper volume dial 6
 Wiper volume dial 7
Terminal No.
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
JPMIA0012GB
PKIB4960J
PKIB4960J
PKIB4956J
Revision: 2010 May2011 QX56

BCS
BCM
BCS-47
< ECU DIAGNOSIS INFORMATION >
C
D E
F
G H
I
J
K L
B A
O P
N
55
(G) Ground Rear door UNLOCK Output Rear door UNLOCK (Actuator is acti-
vated)
12 V
Other then UNLOCK (Ac-
tuator is not activated) 0 V
56
(W/R) Ground Interior room lamp
power supply OutputInterior room lamp battery saver is activated.
(Cuts the interior room
lamp power supply) 0 V
Interior room lamp battery saver is not acti-
vated.
(Outputs the interior room lamp power sup-
ply) 12 V
57
(LG) Ground Battery power sup-
ply
Input Ignition switch OFF Battery voltage
59
(G) Ground Passenger door UN-
LOCK
Output Passenger door UNLOCK (Actuator is acti-
vated)
12 V
Other then UNLOCK (Ac-
tuator is not activated) 0 V
60
(G) Ground Turn signal LH Output Ignition switch
ONTurn signal switch OFF 0 V
Turn signal switch LH
6.0 - 7.0 V
61
(G/Y) Ground Turn signal RH Output Ignition switch
ONTurn signal switch OFF 0 V
Turn signal switch RH
6.0 - 7.0 V
62
(R) Ground Step lamp Output Step lamp ON 0 V
OFF 12 V
63
(BR) Ground Interior room lamp
timer control
OutputInterior room
lamp OFF 12 V
ON 0 V
64
(GR/R) Ground Cranking request input
Ignition switch
ONEngine stopped (Selector
lever is in P position)
0 V
Engine stopped (Selector
lever is not in P position) 12 V
Engine running 12 V
65
(R) Ground All doors, fuel lid
LOCK
Output All doors, fuel lid LOCK (Actuator is activat-
ed)
12 V
Other then LOCK (Actua-
tor is not activated) 0 V
Terminal No.
(Wire color) Description
Condition
Va l u e
(Approx.)
Signal name Input/
Output
+ −
PKIC6370E
PKIC6370E
Revision: 2010 May2011 QX56

BCS-48
< ECU DIAGNOSIS INFORMATION >
BCM
66
(V) Ground Driver door, fuel lid
UNLOCK OutputDriver door, fuel
lid UNLOCK (Actuator is acti-
vated)
12 V
Other then UNLOCK (Ac-
tuator is not activated) 0 V
67
(B) Ground Ground Output Ignition switch ON 0 V
68
(Y) Ground P/W power supply
(IGN)
Output Ignition switch ON 12 V
69
(W) Ground
P/W power supply
(BAT) Output Ignition switch OFF 12 V
70
(Y) Ground Battery power sup-
ply Input Ignition switch OFF Battery voltage
72
(P) Ground Puddle lamp control Output Puddle lamp OFF 12 V
ON 0 V
73
(W) Ground ON indicator lamp Output Ignition switch OFF (LOCK indicator is
not illuminated)
Battery voltage
ON 0 V
74
(Y/B) Ground Trailer turn signal
RH control
OutputIgnition switch
ON Turn signal switch OFF Battery voltage
Turn signal switch RH
6.0 - 7.0 V
75
(LG/R) Ground
Driver door request
switch Input
Driver door re-
quest switch ON (Pressed) 0 V
OFF (Not pressed) 12 V
76
(P/L) Ground
Passenger door re-
quest switch Input
Passenger door
request switch ON (Pressed) 0 V
OFF (Not pressed) 12 V
77
(O/L) Ground Trailer turn signal LH
control
OutputIgnition switch
ON Turn signal switch OFF Battery voltage
Turn signal switch LH
6.0 - 7.0 V
Te r m i n a l N o .
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
PKIC6370E
PKIC6370E
Revision: 2010 May2011 QX56

BCS
INSPECTION AND ADJUSTMENTBCS-69
< BASIC INSPECTION >
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G H
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B A
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CONFIGURATION (BCM)
: Configuration listINFOID:0000000006274828
Items and setting value that are written in BCM by t he write configuration can be checked by “READ CONFIG-
URATION” as shown in the following table.
SETTING ITEM NOTE
Items Setting value
HZRD (SHCK DTCT ULK) FUNC WITH — UNLOCK WITH SHOCK WITHOUT —
CAN CONNECTION UNIT MODE1 —
NISSAN/INFINITI SETTING INFINITI — AUTO LIGHT WITH —
RAIN SENSOR CONFIG WITH — THEFT ALM AREA MODE2 —
AT DOOR LK VHCL SPED SET MODE2 — TPMS TPMS SBF —
Revision: 2010 May2011 QX56