headlamp INFINITI QX56 2004 Factory User Guide

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VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: August 20072004 QX56
System DescriptionEIS002SE
DESCRIPTION
Operation Flow

Setting the vehicle security system
Initial condition

Ignition switch is in OFF position.
Disarmed phase

When the vehicle is being driven or when doors or glass hatch is open, the vehicle security system is set
in the disarmed phase on the assumption that the owner is inside or near the vehicle.
Pre-armed phase and armed phase

There are three conditions to enable the vehicle security system to turn into the "pre-armed" phase and
transition into armed phase. The initial requirements are that hood, glass hatch and all doors must be
closed (ignition key removed) for the transition to take place. Those three conditions are:
1. Locking vehicle with either front power door lock switch before exiting vehicle and closing all doors.
2. Using keyfob to lock already closed doors after leaving the vehicle.
3. Using driver key cylinder switch to lock already closed doors after leaving the vehicle.

Upon any of the above three steps taking place, 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 the keyfob.
2. Open the power back door with the keyfob. When the power back door is closed after opening the power
back door with the keyfob, the system returns to the armed phase.
Activating the alarm operation of the vehicle security system
Make sure the system is in the armed phase.
When one of the following operations is performed, the system sounds the horns and flashes the headlamps
for about 50 seconds.
1. Engine hood, glass hatch or any door is opened before unlocking door with key or keyfob.
2. Door is unlocked without using key or keyfob.
3. Power back door is opened without using the keyfob.
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times

through 10A fuse [No.19, located in the fuse block (J/B)]
PIIA1367E

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VEHICLE SECURITY (THEFT WARNING) SYSTEM
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When the hood switch is ON (hood is open) ground is supplied

to IPDM E/R terminal 41

through hood switch terminal 2

through hood switch terminal 1

through grounds E9, E15 and E24.
VEHICLE SECURITY SYSTEM ALARM OPERATION
The vehicle security system is triggered by

opening a door

opening the hood

opening the glass hatch

unlocking door without using the key or keyfob.
The vehicle security system will be triggered once the system is in armed phase,

when BCM receives a ground signal at terminals 12, 13, 47, 48 (door switch), terminal 42 (glass hatch ajar
switch) or terminal 43 [back door latch (door ajar switch)], or IPDM E/R terminal 41 (hood switch) receives
a ground signal.
Power is supplied at all times

to horn relay terminal 2

through 15A fuse (No. 25, located in fuse and fusible link box).
When the vehicle security system is triggered, ground is supplied intermittently

from IPDM E/R terminal 45

to headlamp high relay and

to horn relay terminal 1.
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 must be unlocked with the key or keyfob.
When the key is used to unlock the front door LH, BCM terminal 22 receives signal

from terminal 14 of the main power window and door lock/unlock switch.
When the BCM receives this signal or unlock signal from keyfob, the vehicle security system is deactivated.
(Disarmed phase)
PANIC ALARM OPERATION
Remote keyless entry system may or may not operate vehicle security system (horn and headlamps) as
required.
When the remote keyless entry system is triggered, ground is supplied intermittently

from IPDM E/R terminal 45

to headlamp high relay and

to horn relay terminal 1.
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from keyfob.
CAN Communication System DescriptionEIS002SF
Refer to LAN-5, "CAN COMMUNICATION" .

BL-86
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: August 20072004 QX56
Terminals and Reference Value for IPDM E/REIS002SJ
*1: when horn reminder is ON.
*2: L/W is for USA.
*3: Y is for Canada.
CONSULT-II Function (BCM)EIS002SK
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
Terminal Wire
ColorItem ConditionVoltage (V)
(Approx.)
38 B Ground — 0
39 W CAN-H — —
40 R CAN-L — —
41 Y/B Hood switchHood closed OFF Battery voltage
Hood open ON 0V
45 G/W Horn relayWhen doors locks are operated
using keyfob (OFF → ON) *1Battery voltage → 0V
52 L Headlamp low (LH)Ignition
SW ONLighting
switch
2ND posi-
tionOFF 0V
ON Battery voltage
54 R/Y Headlamp low (RH)Ignition
SW ONLighting
switch
2ND posi-
tionOFF 0V
ON Battery voltage
55 G Headlamp high (LH)Ignition
SW ONLighting
switch
HIGH or
PA S S
positionOFF 0V
ON Battery voltage
56L/W *2
Y *3Headlamp high (RH)Ignition
SW ONLighting
switch
HIGH or
PA S S
positionOFF 0V
ON Battery voltage
59 B Ground — 0
BCM
diagnostic test itemDiagnostic mode Description
Inspection by partWORK SUPPORTSupports inspections and adjustments. Commands are transmitted to the
BCM for setting the status suitable for required operation, input/output sig-
nals are received from the BCM and received date is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TESTOperation of electrical loads can be checked by sending drive signal to
them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTRThe result of transmit/receive diagnosis of CAN communication can be
read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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CONSULT-II APPLICATION ITEM
Data Monitor
Active Test
Work Support
Monitored Item Description
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch LH.
BACK DOOR SW Indicates [ON/OFF] condition of back door latch.
TRNK OPEN MNTR Indicates [ON/OFF] condition of glass hatch ajar switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEYLESS UNLOCK Indicates [ON/OFF] condition of unlock signal from keyfob.
KEYLESS LOCK Indicates [ON/OFF] condition of lock signal from keyfob.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from door key cylinder switch.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from door key cylinder switch.
KEYLESS PBD Indicates [ON/OFF] condition of unlock signal from door key cylinder switch.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from lock/unlock switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from lock/unlock switch.
HOOD SW Indicates [ON/OFF] condition of hood switch.
Test Item Description
THEFT INDThis test is able to check security indicator lamp operation. The lamp will be turned on when “ON”
on CONSULT-II screen is touched.
HEADLAMP (HI)This test is able to check vehicle security lamp operation. The highbeam headlamps will be acti-
vated for 0.5 seconds after “ON” on CONSULT-II screen is touched.
VEHICLE SECURITY HORNThis test is able to check vehicle security horn operation. The horns will be activated for 0.5 sec-
onds after “ON” on CONSULT-II screen is touched.
Test Item Description
SECURITY ALARM SET This mode can confirm and change security alarm ON-OFF setting.
THEFT ALM TRGThe 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-II screen.

BL-92
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: August 20072004 QX56
Symptom ChartEIS002SN
*1: Make sure the system is in the armed phase.PROCEDURE
Diagnostic procedure
SYMPTOM
1Vehicle security
system cannot be
set by ····Door switch Refer to BL-93, "
Door Switch Check" .
Lock/unlock switch Refer to BL-100, "
Door Lock/Unlock Switch Check" .
Door outside keyRefer to BL-98, "
Front Door Lock Assembly LH (Key Cylinder Switch)
Check" .
BCM If the above systems are “OK”, replace BCM.
Security indicator does not turn “ON”.Refer to BL-97, "
Combination Meter (Security Indicator Lamp) Check" .
If the above systems are “OK”, replace BCM.
2*1 Vehicle secu-
rity system does
not alarm when
····Any door, hood or glass hatch
is opened.Refer to BL-93, "
Door Switch Check" .
Refer to BL-95, "
Hood Switch Check" .
If the above systems are “OK”, replace BCM.
3Vehicle security
alarm does not
activate.Horn alarmRefer to BL-100, "
Vehicle Security Horn Alarm Check" .
If the above systems are “OK”, check horn system.
Refer to WW-56, "
HORN" .
Headlamp alarmRefer to BL-100, "
Vehicle Security Headlamp Alarm Check" .
If the above systems are “OK”, replace BCM.
4Vehicle security
system cannot be
canceled by ····Door outside keyRefer to BL-98, "
Front Door Lock Assembly LH (Key Cylinder Switch)
Check" .
If the above systems are “OK”, check main power window and door lock/
unlock switch.
KeyfobCheck remote keyless entry function. Refer toBL-65, "
Keyfob Battery and
Function Check"
If the above systems are “OK”, replace BCM.

BL-100
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: August 20072004 QX56
Vehicle Security Horn Alarm CheckEIS002SR
1. CHECK HORN OPERATION
Check if horn sounds with horn switch.
Does horn operate?
Yes >> Check harness for open or short between IPDM E/R and horn relay.
No >> Check horn circuit. Refer to WW-56, "
HORN" .
Vehicle Security Headlamp Alarm Check EIS002SS
1. CHECK VEHICLE SECURITY HEADLAMP ALARM OPERATION
Check if headlamps operate with lighting switch.
Do headlamps come on when turning switch ON?
Yes >> Headlamp alarm is OK.
No >> Check headlamp system. Refer to LT- 6 , "
HEADLAMP (FOR USA)" or LT-34, "HEADLAMP (FOR
CANADA) - DAYTIME LIGHT SYSTEM -" .
Door Lock/Unlock Switch Check EIS002ST
1. CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
Check if power door lock operates with door lock/unlock switch.
Do doors lock/unlock when using each door lock/unlock switch?
Yes >> Door lock/unlock switch is OK.
No >> Refer to BL-34, "
Door Lock/Unlock Switch Check" .

TROUBLE DIAGNOSES FOR SYMPTOMS
BRC-59
[VDC/TCS/ABS]
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Long Stopping DistanceEFS0044V
1. CHECK BASE BRAKING SYSTEM PERFORMANCE
1. Disable ABS by disconnecting ABS actuator and electric unit (control unit) connector.
2. Drive vehicle and check brake operation.
NOTE:
Stopping distance may be longer than vehicles without ABS when road condition is slippery.
OK or NG
OK >> Go to BRC-57, "ABS Works Frequently" .
NG >> Perform Basic Inspection. Refer to BRC-23, "
Basic Inspection" .
ABS Does Not WorkEFS0044W
CAUTION:
The ABS does not operate when the vehicle speed is 10 km/h (6 MPH) or less.
1. CHECK WARNING LAMP ACTIVATION
Turn ignition switch ON and check for warning lamp activation.

Warning lamp should activate for approximately 1 second after turning the ignition switch ON.
OK or NG
OK >> Carry out self-diagnosis. Refer to BRC-29, "SELF-DIAGNOSIS" .
NG >> Go to BRC-60, "
ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On" .
Pedal Vibration or ABS Operation NoiseEFS0044X
NOTE:
During ABS activation, pedal vibration may be felt and a noise may be heard. This is normal and does not indi-
cate a malfunction.
1. CHECK SYMPTOM
1. Apply brake.
2. Start engine.
Does the symptom occur only when engine is started?
YES >> Carry out self-diagnosis. Refer to BRC-29, "SELF-DIAGNOSIS" .
NO >> GO TO 2.
2. RECHECK SYMPTOM
Does the symptom occur only when electrical equipment switches (such as headlamps) are turned on?
YES >> Check for radio, antenna or related wiring that is routed too close to the ABS actuator and electric
unit (control unit) and reroute as necessary.
NO >> Go to BRC-57, "
ABS Works Frequently" .

DI-44
WARNING CHIME
Revision: August 20072004 QX56
System DescriptionEKS007EF
FUNCTION
Power is supplied at all times

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

to BCM terminal 70, and

through 10A fuse [No. 19, located in the fuse block (J/B)]

to key switch and key lock solenoid terminal 3.
With ignition switch in ON or START position, power is supplied

through 10A fuse [No. 59, located in the fuse and relay box)

to BCM terminal 38.
Ground is supplied

to BCM terminal 67

through body grounds M57, M61, and M79.
NOTE:
When ignition key warning chime, light warning chime, and seat belt warning chime are required at the same
time, the priorities for each chime are the following.
1. Light warning chime
2. Ignition key warning chime
3. Seat belt warning chime
IGNITION KEY WARNING CHIME
With the key inserted in the ignition switch, the ignition switch in OFF position, and the driver's door open, the
warning chime will sound.
Power is supplied

through key switch and key lock solenoid terminal 4

to BCM terminal 37.
Ground is supplied

to BCM terminal 47

through front door switch LH terminal 2.
Front door switch LH is case grounded.
BCM detects key inserted into the ignition switch, and sends key warning signal to combination meter via CAN
communication lines. When the combination meter receives key warning signal, it sounds warning chime.
LIGHT WARNING CHIME
With the key removed from the ignition switch, the driver's door open, and the lighting switch (part of the com-
bination switch) in 1st or 2nd position, the warning chime will sound. [Except when headlamp battery saver
control operates (5 minutes after ignition switch is turned to OFF or ACC position) and headlamps do not illu-
minate.]
Signal is supplied

from combination switch (lighting switch) terminals 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10

to BCM terminals 2, 3, 4, 5, 6, 32, 33, 34, 35 and 36.
NOTE:
BCM detected lighting switch in 1st or 2nd position. Refer to BCS-3, "
COMBINATION SWITCH READING
FUNCTION" .
Ground is supplied

to BCM terminal 47

through front door switch LH terminal 2.
Front door switch LH is case grounded.
BCM detects headlamps are illuminated, and sends light warning signal to combination meter CAN communi-
cation lines. When the combination meter receives light warning signal, it sounds warning chime.
SEAT BELT WARNING CHIME
When the ignition switch is turned ON with the seat belt unfastened (seat belt buckle switch LH unfastened),
warning chime will sound for approximately 6 seconds.

BASIC SERVICE PROCEDURE
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3. Check ignition timing.
Idle Speed/Ignition Timing/Idle Mixture Ratio AdjustmentUBS00GZL
PREPARATION
1. Make sure that the following parts are in good order.

Battery

Ignition system

Engine oil and coolant levels

Fuses

ECM harness connector

Vacuum hoses

Air intake system
(Oil filler cap, oil level gauge, etc.)

Fuel pressure

Engine compression

Throttle valve

Evaporative emission system
2. On air conditioner equipped models, checks should be carried out while the air conditioner is OFF.
3. On automatic transmission equipped models, when checking idle rpm, ignition timing and mixture ratio,
checks should be carried out while shift lever is in N position.
4. When measuring CO percentage, insert probe more than 40 cm (15.7 in) into tail pipe.
5. Turn off headlamp, heater blower, rear window defogger.
6. Keep front wheels pointed straight ahead.
SEF 0 11V
BBIA0379E

BASIC SERVICE PROCEDURE
EC-35
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INSPECTION PROCEDURE
1. INSPECTION START
1. Check service records for any recent repairs that may indicate a related malfunction, or a current need for
scheduled maintenance.
2. Open engine hood and check the following:
–Harness connectors for improper connections
–Wiring harness for improper connections, pinches and cut
–Vacuum hoses for splits, kinks and improper connections
–Hoses and ducts for leaks
–Air cleaner clogging
–Gasket
3. Confirm that electrical or mechanical loads are not applied.
–Headlamp switch is OFF.
–Air conditioner switch is OFF.
–Rear window defogger switch is OFF.
–Steering wheel is in the straight-ahead position, etc.
4. Start engine and warm it up until engine coolant temperature
indicator points the middle of gauge.
Ensure engine stays below 1,000 rpm.
5. Run engine at about 2,000 rpm for about 2 minutes under no
load.
6. Make sure that no DTC is displayed with CONSULT-II or GST.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. REPAIR OR REPLACE
Repair or replace components as necessary according to corresponding Diagnostic Procedure.
>> GO TO 3.
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