POWER DOOR LOCK SYSTEM
BL-23
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Revision: 2006 November2007 350Z
System DescriptionNIS0000G
Power is supplied at all times
through 40A fusible link (letter F , located in the fuse and fusible link box)
to BCM terminal 55,
through 10A fuse [No.18, located in the fuse block (J/B)]
to BCM terminal 42,
through 10A fuse [No.21, located in the fuse block (J/B)]
to key switch terminal 2.
When ignition key inserted, power is supplied
through key switch terminal 1
to BCM terminal 37.
Ground is supplied
to terminal 52 of BCM
through body grounds M30 and M66.
When the door is locked or unlocked with power window main switch (door lock and unlock switch),
ground is supplied
to power window main switch (door lock and unlock switch) terminal 15
through body grounds M30 and M66.
Power window main switch (door lock and unlock switch) operation signal is supplied
through power window main switch (door lock and unlock switch) terminal 12.
to BCM terminal 22
When the door is locked or unlocked with power window sub-switch (door lock and unlock switch),
ground is supplied
to power window sub-switch (door lock and unlock switch) terminal 11
through body grounds M30 and M66.
Power window sub-switch (door lock and unlock switch) operation signal is supplied
through power window sub-switch (door lock and unlock switch) terminal 16.
to BCM terminal 22
When the door is locked with door key cylinder switch,
ground is supplied
to power window main switch (door lock and unlock switch) terminal 6
through door key cylinder switch terminals 3 and 2 and
through body grounds M30 and M66.
Door key cylinder switch operation signal is supplied
through power window main switch (door lock and unlock switch) terminal 12
to BCM terminal 22.
When the door is unlocked with door key cylinder switch,
ground is supplied
to power window main switch (door lock and unlock switch) terminal 7
through door key cylinder switch terminals 1 and 2 and
through body grounds M30 and M66.
Door key cylinder switch operation signal is supplied
through power window main switch (door lock and unlock switch) terminal 12
to BCM terminal 22.
BCM is connected to power window main switch (door lock and unlock switch) and power window sub-switch
(door lock and unlock switch) as serial link.
BL-24
POWER DOOR LOCK SYSTEM
Revision: 2006 November2007 350Z
POWER WINDOW SERIAL LINK
Power window main switch, power window sub-switch and BCM transmit and receive the signal by power win-
dow serial link.
The under mentioned signal is transmitted from power window main switch to BCM.
Door lock and unlock switch signal.
The under mentioned signal is transmitted from power window sub-switch to BCM.
Door lock and unlock switch signal.
OUTLINE
Functions available by operating the door lock and unlock switches on driver's door and pas-
senger's door
With the locking operation of door lock and unlock switch, door lock actuators of driver's and passenger's
doors are locked.
With the unlocking operation of door lock and unlock switch, door lock actuators of driver's and passen-
ger's doors are unlocked.
Functions available by operating the key cylinder switch
With the locking operation of door key cylinder, door lock actuators of all doors are locked.
When door key cylinder is unlocked, door lock actuator (driver side) is unlocked.
When door key cylinder is unlocked for the second time within 5 seconds after the first unlock operation,
door lock actuators on driver's and passenger's doors are unlocked.
Unlock mode can be changed by using CONSULT-III “WORK SUPPORT” mode in “DOOR LOCK-UNLOCK
SET”.
Refer to BL-35, "
WORK SUPPORT" .
Key reminder door system
When door lock and unlock switch is operated to lock doors with ignition key put in key cylinder and driver's
and passenger's door open, driver and passenger door lock actuators are locked and then unlocked.
Back door opener operation/For coupe
When back door opener switch is ON with driver's door unlocked,
ground is supplied
to BCM terminal 68
through back door opener actuator terminals 1 and 2 and
through body grounds B5, B6, D105 and T14
Then back door opener actuator opens back door.
BL-34
POWER DOOR LOCK SYSTEM
Revision: 2006 November2007 350Z
Terminals and Reference Value for BCMNIS0000K
*When interior lamp battery saver control is in OFF: Approx. 5V
Terminal and Reference Value for Power Window Main SwitchNIS0000L
Te r m i -
nalWire
colorItemSignal
Input/
OutputConditionVoltage (V)
(Approx.)
12 P Passenger side door switch Input ON (Open) → OFF (Closed) 0 → 5
22 Y Power window switch serial linkInput/
Output—
30 P Back door opener switch InputPress the back door opener
switch when driver side door is
unlocked5 → 0
37 B/R Ignition key switch (insert) InputON (Key inserted) → OFF (Key
removed from IGN key cylinder)Battery voltage → 0
39 L CAN-HInput/
Output——
40 P CAN-LInput/
Output——
42 GY Power source (Fuse) Input — Battery voltage
44 YDriver side door lock actuator
(unlock)OutputDoor lock / unlock switch
(Free → Unlock)0 → Battery voltage → 0
50 PU All door lock actuator (lock) OutputDoor lock / unlock switch
(Free → Lock)0 → Battery voltage → 0
51 W/RPassenger side door lock actua-
tor (unlock)OutputDoor lock / unlock switch
(Free → Unlock)0 → Battery voltage → 0
52 B Ground — — 0
55 R Power source (Fusible link) Input — Battery voltage
58 R/W Back door switch Input ON (Open) → OFF (Closed) 0 → Battery voltage *
62 L Driver side door switch Input ON (Open) → OFF (Closed) 0 → 5
68 L/R Back door opener output OutputPress the back door opener
switch when driver side door is
unlocked0 → Battery voltage
PIIA2344J
TerminalWire
colorItem ConditionVoltage (V)
(Approx.)
6 B/R Key cylinder switch lock signalKey position
(Neutral → Locked)5 → 0
7 SB Key cylinder switch unlock signalKey position
(Neutral → Unlocked)5 → 0
12 PU/W Power window switch serial link —
15 B Ground — 0
PIIA2344J
POWER DOOR LOCK SYSTEM
BL-35
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Revision: 2006 November2007 350Z
Work FlowNIS0000M
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-23, "
System Description" .
3. Does power door lock system operate normally? If Yes, GO TO 6, If No, GO TO 4.
4. INSPECTION END.
CONSULT-III Function (BCM)NIS0000N
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
WORK SUPPORT
DATA MONITOR
*1: For Coupe
*2: For Roadster
ACTIVE TEST
BCM diagnosis
partInspection item, self-diagnosis
modeContent
Door lockWork support Changes the setting for each function.
Data monitor Displays BCM input data on real-time basis.
Active test Sends drive signals to door lock actuator to perform operation check.
Work item Description
DOOR LOCK-UNLOCK SET Select unlock mode can be changed in this mode. Selects ON-OFF of select unlock mode.
ANTI-LOCK OUT SETKey reminder door mode can be changed in this mode. Selects ON-OFF of key reminder door
mode.
Monitor item “operation” Content
KEY ON SW “ON/OFF” Indicates [ON/OFF] condition of key switch.
LOCK SW DR/AS “ON/OFF” Indicates [ON/OFF] condition of lock signal from lock/unlock switch of driver and passenger side.
UNLK SW DR/AS “ON/OFF”Indicates [ON/OFF] condition of unlock signal from lock/unlock switch of driver and passenger
side.
KEY CYL LK-SW “ON/OFF” Indicates [ON/OFF] condition of lock signal from key cylinder.
KEY CYL UN-SW “ON/OFF” Indicates [ON/OFF] condition of unlock signal from key cylinder.
LK BUTTON/SIG “ON/OFF” Indicates [ON/OFF] condition of lock signal from key fob.
UN BUTTON/SIG “ON/OFF” Indicates [ON/OFF] condition of unlock signal from key fob.
IGN ON SW “ON/OFF” Indicates [ON/OFF] condition of ignition switch.
DOOR SW-DR “ON/OFF” Indicates [ON/OFF] condition of driver side door switch.
DOOR SW-AS “ON/OFF” Indicates [ON/OFF] condition of passenger side door switch.
BACK DOOR SW*
1“ON/OFF” Indicates [ON/OFF] condition of back door switch.
TRNK OPN MNTR*
2“ON/OFF” Indicates [ON/OFF] condition of trunk lid opener switch.
Test item Content
ALL D/LK MTRThis test is able to check all door lock actuators lock operation. These actuators lock when “ON” on
CONSULT-III screen is touched.
DR D/UN MTRThis test is able to check driver side door lock actuator unlock operation. This actuator unlock when
“ON” on CONSULT-III screen is touched.
NON DR D/UNThis test is able to check door lock actuators (except driver side door lock actuator) unlock operation.
These actuator unlock when “ON” on CONSULT-III screen is touched.
POWER DOOR LOCK SYSTEM
BL-37
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Revision: 2006 November2007 350Z
Check Power Supply and Ground Circuit of BCMNIS0000P
CHECK FUSE
1. FUSE INSPECTION
1. Turn ignition switch OFF.
2. Check the following.
40A fusible link (letter F , located in the fuse and fusible link box)
10A fuse [No.18, located in the fuse block (J/B)]
NOTE:
Refer to BL-21, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check voltage between BCM harness connector M91 terminal 42, 55 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector M91 terminal 52 and ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Check BCM ground circuit for open or short.42 (GY) - Ground : Battery voltage
55 (R) – Ground : Battery voltage
PIIA6374E
52 (B) – Ground Continuity should exist.
PIIA9326E
POWER DOOR LOCK SYSTEM
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Revision: 2006 November2007 350Z
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between door switch harness connector B17, B23, terminals 1 and BCM harness con-
nector B83 terminals 62 (driver side) or M90 terminal 12 (passenger side).
4. Check continuity between door switch harness connector B17,
B23, terminals 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR SWITCH
Check continuity between door switch harness connector B17 (driver side) or B23 (passenger side) terminal 1
and ground.
OK or NG
OK >> Further inspection is necessary. Refer to symptom
chart.
NG >> Replace malfunction door switch.Driver side door
1 (L) – 62 (L) : Continuity should exist.
Passenger door
1 (P) – 12 (P) : Continuity should exist.
1 (L or P) – Ground : Continuity should not exist.
PIIA9540E
Terminal (Wire color) Door switch Continuity
1 (L or P) GroundPushed No
Released Yes
PIIA3351E
BL-40
POWER DOOR LOCK SYSTEM
Revision: 2006 November2007 350Z
Check Key Switch (insert) NIS0000R
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-III
Check ignition key cylinder switch “KEY ON SW” in “DATE MONITOR” mode with CONSULT-II
When key is inserted in ignition key cylinder
When key is removed in ignition key cylinder
Without CONSULT-III
Check voltage between BCM connector and ground.
OK or NG
OK >> Key switch is OK.
NG >> GO TO 2.
2. CHECK KEY SWITCH (INSERT)
1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check continuity between key switch terminals 1 and 2.
OK or NG
OK >> GO TO 3.
NG >> Replace key switch.KEY ON SW :ON
KEY ON SW :OFF
ConnectorTerminal
(Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
M90 37 (B/R) GroundKey is inserted Battery voltage
Key is removed 0
PIIA9541E
Connector Terminals Condition Continuity
M25 1 2Key is inserted in ignition key cylinder Yes
Key is removed from ignition key cylinder No
PIIA2627E
BL-42
POWER DOOR LOCK SYSTEM
Revision: 2006 November2007 350Z
Check Door Lock and Unlock Switch NIS0000S
1. CHECK POWER WINDOW OPERATION
Does power window system operate normally?
YES or NO?
YES >> GO TO 2
NO >> Refer to GW-30, "
Trouble Diagnoses Symptom Chart" .
2. CHECK DOOR LOCK AND UNLOCK SWITCH OUTPUT SIGNAL
With CONSULT-III
Check door lock and unlock switch (“LOCK SW DR/AS”, “UNLK SW DR/AS”) in DATA MONITOR mode with
CONSULT-II. Refer to BL-35, "
DATA MONITOR" .
When door lock and unlock switch is turned to LOCK
When door lock and unlock switch is turned to UNLOCK
Without CONSULT-III
1. Remove key from ignition switch, and close the doors of driver side and passenger side.
2. Check the signal between BCM connector and ground with oscilloscope when door lock and unlock
switch (driver side and passenger side) is turned “LOCK” or “UNLOCK”.
3. Make sure signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch (driver side or passenger side) is turned “LOCK” or “UNLOCK”.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
3. CHECK BCM OUTPUT SIGNAL
Check power window serial link (“POWER WINDOW DOWN”) in “ACTIVE TEST” mode with CONSULT-III.
Refer to BL-74, "
Active Test" .
When “ACTIVE TEST” is executed, the window of driver side and passenger side are go down.
OK or NG
OK >> Further inspection is necessary. Refer to symptom chart.
NG >> Replace BCM.CDL LOCK SW :ON
CDL UNLOCK SW :ON
ConnectorTerminal
(Wire color)Signal
(Reference value)
(+) (–)
M90 22 (Y) Ground
PIIA6379EPIIA1297E