2007 INFINITI M35 trunk

TRUNK LID OPENER
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Revision: 2007 April2007 M35/M45
Trouble DiagnosisNIS001ZS
TRUNK DOSE NOT OPEN WITH TRUNK LID OPENER SWITCH / WITH INTELLIGENT KEY
1. CHECK TRUNK LID OPENER CANCEL SWITCH
Check trunk lid opener cancel switch position.
Does trunk lid opener cancel switch turn OFF (CANCEL)?
Yes >> Turn on trunk lid opener cancel switch.
No >> GO TO 2.
2. CHECK TRUNK LID OPEN INPUT SIGNAL
With CONSULT-II
Check trunk lid opener switch (“TRNK OPNR SW”) in “DATA MONI-
TOR” mode with CONSULT-II.

When trunk lid opener switch is turned to “ON”.
Without CONSULT-II
1. Remove Intelligent Key from key slot.
2. Turn on trunk lid opener cancel switch.
3. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 6.
3. CHECK TRUNK LID OPEN OUTPUT SIGNAL
Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace BCM. Refer to BCS-15, "
Removal and Installa-
tion of BCM" . TRNK OPNR SW : ON
PIIA9937E
Terminals
Condition of trunk lid
opener switchVoltage (V)
(Approx.) (+)
(–)
BCM
connectorTerminal
M1 30 GroundON (push and hold) 0
OFF (release) Battery voltage
PIIB6374E
Te r m i n a l s
Condition of
trunk lid opener
switchVoltage (V)
(Approx.) (+)
(–)
BCM
connectorTerminal
M3 68 Ground OFF → ON 0 → Battery voltage → 0
PIIB6375E

BL-214
TRUNK LID OPENER
Revision: 2007 April2007 M35/M45
4. CHECK TRUNK LID OPENER ACTUATOR CIRCUIT
1. Disconnect BCM connector and trunk lid opener actuator connector.
2. Check continuity between BCM connector and trunk lid opener actuator connector.
3. Check continuity between BCM connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK TRUNK LID OPENER ACTUATOR GROUND CIRCUIT
Check continuity between trunk lid opener actuator connector and ground.
OK or NG
OK >> Replace trunk lid opener actuator.
NG >> Repair harness or connector.
6. CHECK TRUNK LID OPENER SWITCH
1. Turn ignition switch OFF.
2. Disconnect trunk lid opener switch connector.
3. Check continuity between trunk lid opener switch connector.
OK or NG
OK >> GO TO 7.
NG >> Replace trunk lid opener switch.
AB
Continuity
BCM connector TerminalTrunk lid opener
actuator connectorTerminal
M3 68 T106 3 Yes
A
GroundContinuity
BCM connector Terminal
M3 68 No
PIIB8868E
Trunk lid opener
actuator connectorTerminal Continuity
T106 2 Ground Yes
PIIB8869E
Terminal
Condition Continuity
Trunk lid opener switch
12ON (push and hold) Yes
OFF (release) No
PIIB6378E

TRUNK LID OPENER
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Revision: 2007 April2007 M35/M45
7. CHECK TRUNK LID OPENER CANCEL SWITCH
1. Disconnect trunk lid opener cancel switch connector.
2. Check continuity between trunk lid opener cancel switch connector.
OK or NG
OK >> GO TO 8.
NG >> Replace trunk lid opener cancel switch.
8. CHECK TRUNK LID OPENER SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector and trunk lid opener switch connector.
3. Check continuity between BCM connector and ground.
OK or NG
OK >> GO TO 9.
NG >> Repair harness or connector.
9. CHECK TRUNK LID OPENER CANCEL SWITCH CIRCUIT
1. Check continuity between trunk lid opener switch connector and trunk lid opener cancel switch connector.
2. Check continuity between trunk lid opener switch connector and
ground.
OK or NG
OK >> GO TO 10.
NG >> Repair harness or connector.
Te r m i n a l
Condition Continuity
Trunk lid opener cancel
switch
13ON Yes
OFF (cancel) No
PIIB6379E
AB
Continuity
BCM
connectorTerminalTrunk lid opener
switch connectorTerminal
M1 30 M25 1 Yes
A
GroundContinuity
BCM connector Terminal
M1 30 No
PIIB6380E
AB
Continuity Trunk lid opener
actuator
connectorTe r m i n a lTrunk lid opener
cancel switchTerminal
M25 2 M99 1 Yes
A
GroundContinuity
Trunk lid opener
actuator connectorTerminal
M25 2 No
PIIB6381E

BL-216
TRUNK LID OPENER
Revision: 2007 April2007 M35/M45
10. CHECK TRUNK LID OPENER SWITCH GROUND CIRCUIT
Check continuity between trunk lid opener switch connector and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
A
GroundContinuity
Trunk lid opener cancel
switchTerminal
M99 3 Yes
PIIB6382E

BL-218
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2007 April2007 M35/M45
1. Fuse block (J/B) fuse layout 2. IPDM E/R fuse layout 3. Fuse and fusible link box
4. BCM M1, M2 (View with instrument
lower panel RH removed)5. IPDM E/R E8, E9
(Engine room)6. Security indicator M69
(Multifunction switch)
7. Key slot M14 8. Hood switch E44
(Hood lock assembly)9. Intelligent key unit M32 (View with
dash side finisher LH removed)
10. Remote keyless entry receiver M89
(View with instrument lower panel RH
removed)11. Power window main switch
D10, D11 (Driver side)12. Power window sub switch
D46 (Passenger side)
13. Front door lock assembly LH D14
(Key cylinder switch)14. Front door switch B11
(Driver side)15. Rear door switch LH B53
16. trunk lid lock assembly T106
(Trunk room lamp switch)17. Trunk lid key cylinder switch T104 18. Horn (low) E56, E57 (View with front
fender protector LH removed)
19. Horn (high) E64, E65 (View with front
grille removed)
PIIB5893E

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Revision: 2007 April2007 M35/M45
System DescriptionNIS001ZU
DESCRIPTION
Operation Flow
Setting the Vehicle Security System
Initial condition

Ignition switch is in OFF position.
Disarmed phase

When hood, doors or trunk is open, the vehicle security system is set in the disarmed phase on the
assumption that the owner is inside or near the vehicle.

When the vehicle security system is in the disarmed phase, the security indicator lamp blinks every 2.4
seconds.
Pre-armed phase and armed phase
When the following operation 1 or 2 is performed, the vehicle security system turns into the “pre-armed”
phase. (The security indicator lamp illuminates.)
1. BCM receives LOCK signal from front door key cylinder switch or Intelligent Key, after hood, trunk and all
doors are closed.
2. Hood, trunk and all doors are closed after front doors are locked by key or door lock and unlock switch.
The security indicator lamp illuminates for 30 seconds. Then, the system automatically shifts into the
“armed” phase.
Canceling the Set Vehicle Security System
When one of the following operations is performed, the armed phase is canceled.
1. Unlock the doors with the key or Intelligent Key.
2. Turn ignition switch “ON” or “ACC” position.
Canceling the Alarm Operation of the Vehicle Security System
When unlock the door with the key or Intelligent Key the alarm operation is canceled.
Activating the Alarm Operation of the Vehicle Security System
Make sure the system is in the armed phase. (The security indicator lamp brinks every 2.4 seconds.)
When the following operation 1 or 2 is performed, the system sounds the horns and flashes the headlamps for
about 50 seconds.
1. Hood, trunk or any door is opened during armed phase.
2. Disconnecting and connecting the battery connector before canceling armed phase.
PIIA1367E

BL-220
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2007 April2007 M35/M45
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times

through 50A fusible link (letter F , located in the fuse and fusible link box)

to BCM terminal 55,

through 10A fuse [No. 21, located in the fuse block (J/B)]

to BCM terminal 42,

through 10A fuse [No. 71, located in the IPDM E/R]

to IPDM E/R internal CPU,

through 15A fuse [No. 78, located in the IPDM E/R]

to IPDM E/R internal CPU,

through 15A fuse [No. 37, located in the fuse block (J/B)]

to multi-function switch (security indicator) terminal 1.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 6, located in the fuse block (J/B)]

to BCM terminal 11.
Ground is supplied

to BCM terminal 52

through body grounds M16 and M70.
INITIAL CONDITION TO ACTIVATE THE SYSTEM
The operation of the vehicle security system is controlled by the doors, hood and trunk.
To activate the vehicle security system, BCM must receive signals indicating the doors, hood and trunk are
closed and the doors are locked by key fob.
When a door is open, terminal 12 (passenger side door), 13 (rear RH door), 62 (driver side door), 63 (rear LH
door) receives a ground signal from each door switch.
When front door LH is unlocked by power window main switch (door lock and unlock switch), BCM terminal 22
receives an unlock signal from terminal 14 of power window main switch with power window serial link.
When front door RH is unlocked by power window sub-switch (passenger side) (door lock and unlock switch),
BCM terminal 22 receives an unlock signal from terminal 16 of power window sub-switch (passenger side)
with power window serial link.
When front door key cylinder switch is in LOCK position, ground is supplied

to power window main switch terminal 4

through front door key cylinder switch terminals 6 and 4

through body grounds M16 and M70.
When the hood is open, IPDM E/R receives a ground signal

to IPDM E/R terminal 60

through hood switch terminal 2

through hood switch terminal 1

through body grounds E22, and E43.
The IPDM E/R then sends a signal to BCM via CAN communication line.
When the trunk is open, ground is supplied

to BCM terminal 57

through trunk room lamp switch terminal 1

through trunk room lamp switch terminal 2

through body grounds B402 and B405.

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Revision: 2007 April2007 M35/M45
VEHICLE SECURITY SYSTEM ALARM OPERATION
The vehicle security system is triggered by

opening a door

opening the trunk

opening the hood

detection of battery disconnect and connect.
The vehicle security system will be triggered once the system is in armed phase,
when BCM receives a ground signal at terminals 12 (passenger side door), 13 (rear RH door), 57 (trunk), 62
(driver side door), 63 (rear LH door), or receives a signal from the IPDM E/R (hood switch).
When the vehicle security system is triggered,
ground is supplied intermittently to both headlamp relay and horn relay.
When headlamp relay and horn relay are energized, then power is supplied to headlamps (LH and RH) and
horns (HIGH and LOW).
The headlamps flash and the horn sounds intermittently.
The alarm automatically turns off after 50 seconds, but will reactivate if the vehicle is tampered with again.
VEHICLE SECURITY SYSTEM DEACTIVATION
To deactivate the vehicle security system, a door or the trunk must be unlocked with the key, Intelligent Key.
When the key is used to unlock a door, BCM terminal 22 receives signal

from the power window main switch (door lock and unlock switch) terminal 14.
When the BCM receives either one of these signals or unlock signal from key cylinder switch or Intelligent Key,
the vehicle security system is deactivated. (Disarmed phase)
PANIC ALARM OPERATION
Intelligent Key system may or may not operate vehicle security system (horn and headlamps) as required.
When the Intelligent Key system is triggered, ground is supplied intermittently to both headlamp relay and horn
relay.
When headlamp relay and horn relay are energized, then power is supplied to headlamps (LH and RH) and
horns (HIGH and LOW).
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from Intelligent Key.
CAN Communication System DescriptionNIS001ZV
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication UnitNIS001ZW
Refer to LAN-50, "CAN System Specification Chart"