door INFINITI QX56 2011 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2011, Model line: QX56, Model: INFINITI QX56 2011Pages: 5598, PDF Size: 94.53 MB
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![INFINITI QX56 2011 Factory Service Manual
COMPONENT PARTSEXL-7
< SYSTEM DESCRIPTION > [XENON TYPE]
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EXTERIOR LIGHTING SYSTEM](/img/42/57033/w960_57033-2716.png "INFINITI QX56 2011 Factory Service Manual
COMPONENT PARTSEXL-7
< SYSTEM DESCRIPTION > [XENON TYPE]
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EXTERIOR LIGHTING SYSTEM")
COMPONENT PARTSEXL-7
< SYSTEM DESCRIPTION > [XENON TYPE]
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EXTERIOR LIGHTING SYSTEM : Component DescriptionINFOID:0000000006213888
1. Combination meter 2. BCM
Refer to BCS-4, "
BODY CONTROL
SYSTEM : Compon ent Parts Loca-
tion"
3. Optical sensor
4. IPDM E/R Refer to PCS-4, "
Component Parts
Location"
5. ECM
Refer to EC-16, "
Component Parts
Location"
6. Parking lamp
7. Front turn signal lamp 8. Front fog lamp 9. Headlamp
10. Front side marker lamp 11. Combination switch 12. Headlamp aiming switch*
1
13. Front door switch (driver side) 14.
Steering angle sensor*2
Refer to BRC-10, "Component Parts
Location"
15. License plate lamp
16. Tail lamp 17. Rear turn signal lamp 18. Rear side marker lamp
19. Hazard switch 20. Side turn signal lamp 21. Headlamp swivel actuator
22. Headlamp aiming motor 23. AFS switch*
224.Rear height sensor*2
25.AFS control unit*226.Front height sensor*2
A. Front combination lamp (back) B. View with instrument driver lower
panel (LH)C. Rear suspension member (RH)
D. View with instrument lower cover E. Front suspension arm (RH)
Part Description
BCM Controls the exterior lighting system.
ECM*
1Transmits engine speed signal to AFS control unit. (via CAN communication)
TCM*
1Transmits Shift position signal to AFS control unit. (via CAN communication)
IPDM E/R Controls the integrated relay, and supplies voltage to the load according to the request
from BCM (via CAN communication).
AFS control unit*
1AFS control unit judges the vehicle condition from each signal. AFS control unit con-
trols AFS function and the headlamp aiming.
Combination meter Outputs the vehicle speed signal (8-pulse) to AFS control unit.
Blinks the turn signal indicator lamp and outputs the turn signal operating sound with
integrated buzzer according to the request from BCM (via CAN communication).
Turns the tail lamp indicator lamp and high beam indicator lamp ON according to the
request from BCM (via CAN communication).
Turns the AFS OFF indicator lamp ON/OFF /blinking according to the request from
AFS control unit (via CAN communication).
Headlamp assembly Xenon bulb Refer to
EXL-8, "
FRONT COMBINATION LAMP : Xenon Headlamp".
HID control unit Refer to EXL-9, "
FRONT COMBINATION LAMP : HID control unit".
High beam solenoid Refer to EXL-9, "
FRONT COMBINATION LAMP : High Beam Solenoid".
Aiming motor Refer to EXL-9, "
FRONT COMBINATION LAMP : Aiming Motor".
Swivel actuator*
1Refer to EXL-9, "FRONT COMBINATION LAMP : Swivel Actuator".
Height sensor*
1
The height sensor is installed to the front suspension member and rear suspension member.
The height sensor detects the suspension arm displacement as the vehicle height change.
The height sensor transmits the height sensor signal to AFS control unit.
NOTE:
The sensor angle of the unloaded vehicle position is the reference value.
Optical sensor Optical sensor converts the outside brightness (lux) to voltage and transmits the opti-
cal sensor signal to BCM.
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EXL-8
< SYSTEM DESCRIPTION >[XENON TYPE]
COMPONENT PARTS
*1: With AFS system models
*
2: With headlamp aiming control system (manual) models
FRONT COMBINATION LAMP
FRONT COMBINATION LAMP : Xenon Head](/img/42/57033/w960_57033-2717.png "INFINITI QX56 2011 Factory Service Manual
EXL-8
< SYSTEM DESCRIPTION >[XENON TYPE]
COMPONENT PARTS
*1: With AFS system models
*
2: With headlamp aiming control system (manual) models
FRONT COMBINATION LAMP
FRONT COMBINATION LAMP : Xenon Head")
EXL-8
< SYSTEM DESCRIPTION >[XENON TYPE]
COMPONENT PARTS
*1: With AFS system models
*
2: With headlamp aiming control system (manual) models
FRONT COMBINATION LAMP
FRONT COMBINATION LAMP : Xenon HeadlampINFOID:0000000006213889
OUTLINE
The lamp light source is by the arch discharge by
applying high voltage into the xenon gas-filled bulb instead
of the halogen bulb filament.
Sight becomes more natural and brighter because the amount of light are gained adequately and the color of
light is sunshine-like white.
The xenon bulb drops the amount of light, repeats blinking, and illuminates in red if the bulb reaches the ser-
vice life.
ILLUMINATION PRINCIPLE
1. Discharging starts in high voltage pulse between bulb elec- trodes.
2. Xenon gas is activated by curr ent between electrodes. Pale light
is emitted.
3. The luminous tube (bulb) temperature elevates. Evaporated halide is activated by discharge. The color of light changes into
white.
NOTE:
Brightness and the color of light may change slightly immediately after the headlamp turned ON until the xenon bulb becomes sta-
ble. This is not malfunction.
Illumination time lag may occur between right and left. This is not
malfunction.
PRECAUTIONS FOR TROUBLE DIAGNOSIS
Representative malfunction examples are; "Light does not turn ON", "Light blinks", and "Brightness is inade-
quate." The cause often be the xenon bulb. Such malf unctions, however, are occurred occasionally by HID
control unit malfunction or lamp case malfunction. S pecify the malfunctioning part with diagnosis procedure.
WARNING:
Never touch the harness, HID control unit, the inside and metal part of lamp when turning the head-
lamp ON or operating the lighting switch.
Never work with wet hands.
CAUTION:
Never perform HID control unit circuit diagnosis with a circuit tester or an equivalent.
Temporarily install the headlamps on the vehicle. Co nnect the battery to the connector (vehicle side)
when checking ON/OFF status.
Disconnect the battery negative terminal before di sconnecting the lamp socket connector or the har-
ness connector.
Check for fusing of the fusible link(s), open around connector, short, disconnection if the symptom
is caused by electric error.
NOTE:
Turn the switch OFF once before turni ng ON, if the ON/OFF is inoperative.
The xenon bulb drops the amount of light, repeats blinking, and illuminates in red if the bulb reaches the ser-
vice life.
Steering angle sensor*1Transmits steering angle sensor signal to AFS control unit. (via CAN communication)
Combination switch
(Lighting & turn signal switch) Refer to
BCS-7, "
COMBINATION SWITCH READING SYSTEM : System Descrip-
tion".
Door switch Inputs the door switch signal to BCM.
AFS switch*
1 Inputs the AFS switch signal to AFS control unit.
AFS switch is integrated in triple switch.
Headlamp aiming switch*
2Outputs the aiming motor drive signal to aiming motor.
Hazard switch Inputs the hazard switch signal to BCM. Part Description
JPLIA0421GB
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EXL-12
< SYSTEM DESCRIPTION >[XENON TYPE]
SYSTEM
BCM transmits each request signal to IPDM E/R wit
h CAN communication according to ON/OFF condition
by the auto light function.
NOTE:
ON/OFF timing](/img/42/57033/w960_57033-2721.png "INFINITI QX56 2011 Factory Service Manual
EXL-12
< SYSTEM DESCRIPTION >[XENON TYPE]
SYSTEM
BCM transmits each request signal to IPDM E/R wit
h CAN communication according to ON/OFF condition
by the auto light function.
NOTE:
ON/OFF timing")
EXL-12
< SYSTEM DESCRIPTION >[XENON TYPE]
SYSTEM
BCM transmits each request signal to IPDM E/R wit
h CAN communication according to ON/OFF condition
by the auto light function.
NOTE:
ON/OFF timing differs based on the sensit ivity from the setting. The setting can be set by CONSULT-III. Refer
to EXL-23, "
HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)".
AUTO LIGHT ADJUSTMENT SYSTEM
The auto light adjustment system automatically, dims/bri ghtens the display and combination meter, according
to brightness outside the vehicle, when lighting switch 1ST or lighting switch 2ND is operated. Refer to INL-11,
"AUTO LIGHT ADJUSTMENT SYSTEM : System Description".
DELAY TIMER FUNCTION
BCM turns the exterior lamp OFF depending on the vehicle condition with the auto light function when the igni-
tion switch is turned OFF.
Turns the exterior lamp OFF 5 minutes afte r detecting that any door opens. (Door switch ON).
Turns the exterior lamp OFF a certain period of time* after closing all doors. (Door switch ON →OFF).
Turns the exterior lamp OFF with the igni tion switch ACC or the light switch OFF.
*: The preset time is 45 seconds. The timer operat ing time can be set by CONSULT-III. Refer to EXL-23,
"HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)".
NOTE:
When any position other than the light switch AUTO is set, the auto light system function switches to the exte-
rior lamp battery saver function.
AUTO LIGHT SYSTEM : System De scription (Except for CANADA)INFOID:0000000006218908
OUTLINE
Auto light system is controlled by each function of BCM and IPDM E/R.
Control by BCM- Combination switch reading function
- Headlamp control function
- Auto light function
- Delay timer function
- Wiper linked auto lighting function
- Auto light adjustment system
Control by IPDM E/R- Relay control function
Auto light system has the auto light function (with twilight lighting function), wiper linked auto lighting function
and delay timer function.
- Auto light function automatically turns ON/OFF the exterior lamps* and each illumination automatically,
depending on the outside brightness.
- Wiper linked auto lighting function automatically turn s ON/OFF the exterior lamps* and each illumination
when the light switch is in the AUTO posit ion, according to a front wiper operation.
- When auto light system turns the exterior lamps ON with the ignition switch OFF, delay timer function turns the exterior lamps OFF, depending on the vehicle conditi on with the auto light function after a certain period
of time.
*: Headlamp (LO/HI), parking lamp, side marker lamp, tail lamp and front fog lamp (Headlamp HI and front fog
lamp depend on the combination switch condition.)
NOTE:
The settings of the twilight lighting function and the wiper linked auto lighting function can be changed with
CONSULT-III. Refer to EXL-23, "
HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)".
AUTO LIGHT FUNCTION (WITH TWILIGHT LIGHTING FUNCTION)
Description
BCM detects the combination switch conditi on with the combination switch reading function.
BCM supplies voltage to the optical sensor when the ignition switch is turned ON or ACC.
Optical sensor converts outside brightness (lux) to voltage and transmits the optical sensor signal to BCM.
When ignition switch is turned ON, BCM detects out side brightness from the optical sensor signal and
judges ON/OFF condition of the exterior lamp and each illumination, depending on the outside brightness
condition (standard or twilight).
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EXL-14
< SYSTEM DESCRIPTION >[XENON TYPE]
SYSTEM
AUTO LIGHT ADJUSTMENT SYSTEM
The auto light adjustment system automatically, dims/bri
ghtens the display and combination meter, according
to brightnes](/img/42/57033/w960_57033-2723.png "INFINITI QX56 2011 Factory Service Manual
EXL-14
< SYSTEM DESCRIPTION >[XENON TYPE]
SYSTEM
AUTO LIGHT ADJUSTMENT SYSTEM
The auto light adjustment system automatically, dims/bri
ghtens the display and combination meter, according
to brightnes")
EXL-14
< SYSTEM DESCRIPTION >[XENON TYPE]
SYSTEM
AUTO LIGHT ADJUSTMENT SYSTEM
The auto light adjustment system automatically, dims/bri
ghtens the display and combination meter, according
to brightness outside the vehicle, when lighting switch 1ST or lighting switch 2ND is operated. Refer to INL-11,
"AUTO LIGHT ADJUSTMENT SYSTEM : System Description".
DELAY TIMER FUNCTION
BCM turns the exterior lamp OFF depending on the vehicle condition with the auto light function when the igni-
tion switch is turned OFF.
Turns the exterior lamp OFF 5 minutes afte r detecting that any door opens. (Door switch ON).
Turns the exterior lamp OFF a certain period of time* after closing all doors. (Door switch ON →OFF).
Turns the exterior lamp OFF with the igni tion switch ACC or the light switch OFF.
*: The preset time is 45 seconds. The timer operat ing time can be set by CONSULT-III. Refer to EXL-23,
"HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)".
NOTE:
When any position other than the light switch AUTO is set, the auto light system function switches to the exte-
rior lamp battery saver function.
DAYTIME RUNNING LIGHT SYSTEM
DAYTIME RUNNING LIGHT S YSTEM : System DiagramINFOID:0000000006214028
DAYTIME RUNNING LIGHT SYSTEM : System DescriptionINFOID:0000000006214029
OUTLINE
Turns the front fog lamp ON as the daytime running light.
Daytime running light is controlled by daytime runni ng light control function and combination switch reading
function of BCM, and relay c ontrol function of IPDM E/R.
DAYTIME RUNNING LIGHT OPERATION
BCM detects the combination switch conditi on by the combination switch reading function.
BCM detects the vehicle condition depending on the following signals.
- Parking brake switch signal (received from combination meter via CAN communication)
BCM transmits the front fog light request signal to IPDM E/R via CAN communication according to the day-
time running light ON condition.
Daytime running light ON condition- While the engine running with the parking brake released
- Lighting switch OFF
- Lighting switch AUTO (auto light function OFF judgment)
- Passing switch OFF
- Front fog lamp switch OFF
IPDM E/R turns the integrated front fog lamp relay ON and turns the front fog lamp ON according to the front
fog light request signal.
ACTIVE ADAPTIVE FRONT-LIGHTING SYSTEM
JMLIA1078GB
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EXL-22
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Fu
nction (BCM - COMMON ITEM)INFOID:0000000006368037
APPLICATION ITEM
CON](/img/42/57033/w960_57033-2731.png "INFINITI QX56 2011 Factory Service Manual
EXL-22
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Fu
nction (BCM - COMMON ITEM)INFOID:0000000006368037
APPLICATION ITEM
CON")
EXL-22
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Fu
nction (BCM - COMMON ITEM)INFOID:0000000006368037
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
×: Applicable item
*: This item is indicated, but not used.
FREEZE FRAME DATA (FFD)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT-III.
Diagnosis mode Function Description
Work Support Changes the setting for each system function.
Self Diagnostic Result Displays the diagnosis results judged by BCM. Refer to BCS-57, "
DTCIndex".
CAN Diag Support Monitor Monitors the reception status of CAN communication viewed from BCM. Refer to CONSULT-III opera-
tion manual.
Data Monitor The BCM input/output signals are displayed.
Active Test The signals used to activate ea ch device are forcibly supplied from BCM.
Ecu Identification The BCM part number is displayed.
Configuration Read and save the vehicle specification.
Write the vehicle specification when replacing BCM.
System Sub system selection item Diagnosis mode
Work Support Data Monitor Active Test
Door lock DOOR LOCK ×××
Rear window defogger REAR DEFOGGER ××
Warning chime BUZZER ××
Interior room lamp timer INT LAMP ×××
Exterior lamp HEAD LAMP ×××
Wiper and washer WIPER ×××
Turn signal and hazard warning lamps FLASHER ×××
— AIR CONDITONER* ××
Intelligent Key system
Engine start system INTELLIGENT KEY
×××
Combination switch COMB SW ×
Body control system BCM ×
IVIS IMMU ×××
Interior room lamp battery saver BATTERY SAVER ×××
Back door TRUNK ×
Vehicle security system THEFT ALM ×××
RAP system RETAINED PWR ×
Signal buffer system SIGNAL BUFFER ××
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EXL-24
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
*1: Factory setting
*
2: For models for Canada, this item is displayed but is not operated.
DATA MONITOR
BATTERY SAVER SET On*1With th](/img/42/57033/w960_57033-2733.png "INFINITI QX56 2011 Factory Service Manual
EXL-24
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
*1: Factory setting
*
2: For models for Canada, this item is displayed but is not operated.
DATA MONITOR
BATTERY SAVER SET On*1With th")
EXL-24
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
*1: Factory setting
*
2: For models for Canada, this item is displayed but is not operated.
DATA MONITOR
BATTERY SAVER SET On*1With the exterior lamp battery saver function
Off Without the exterior lamp battery saver function
ILL DELAY SET MODE 1*
145 sec.
Sets delay timer function timer operation time
(All doors closed)
MODE 2
Without the
function
MODE 3 30 sec.
MODE 4 60 sec.
MODE 5 90 sec.
MODE 6 120 sec.
MODE 7 150 sec.
MODE 8 180 sec.
AUTO LIGHT LOGIC SET*
2
MODE 1*1With twilight ON custom & with wiper INT, LO and HI
MODE 2 With twilight ON custom & with wiper LO and HI
MODE 3 With twilight ON custom & without
MODE 4 Without twilight ON custom & with wiper INT, LO and HI
MODE 5 Without twilight ON custom & with wiper LO and HI
MODE 6 Without twilight ON custom & without
Service item Setting item Setting
Monitor item
[Unit] Description
PUSH SW
[On/Off] The switch status input from push-button ignition switch
ENGINE STATE
[Stop/Stall/Crank/Run] The engine status received from ECM via CAN communication
VEH SPEED 1
[km/h] The value of the vehicle speed received from combination meter via CAN communi-
cation
TURN SIGNAL R
[On/Off]
Each switch status that BCM judges from the combination switch reading function
TURN SIGNAL L
[On/Off]
TA I L L A M P S W
[On/Off]
HI BEAM SW
[On/Off]
HEAD LAMP SW1
[On/Off]
HEAD LAMP SW2
[On/Off]
PASSING SW
[On/Off]
AUTO LIGHT SW
[On/Off]
FR FOG SW
[On/Off]
RR FOG SW
[On/Off]
NOTE:
This item is indicated, but can not monitored
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DIAGNOSIS SYSTEM (BCM)EXL-25
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ACTIVE TEST
*: Only models for Canada display this item.
FLASHER
FLASHER : CONSULT-III F unction (BC](/img/42/57033/w960_57033-2734.png "INFINITI QX56 2011 Factory Service Manual
DIAGNOSIS SYSTEM (BCM)EXL-25
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ACTIVE TEST
*: Only models for Canada display this item.
FLASHER
FLASHER : CONSULT-III F unction (BC")
DIAGNOSIS SYSTEM (BCM)EXL-25
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ACTIVE TEST
*: Only models for Canada display this item.
FLASHER
FLASHER : CONSULT-III F unction (BCM - FLASHER)INFOID:0000000006213912
WORK SUPPORT
DOOR SW-DR
[On/Off] The switch status input from front door switch (driver side)
DOOR SW-AS
[On/Off] The switch status input from front door switch (passenger side)
DOOR SW-RR
[On/Off] The switch status input from rear door switch RH
DOOR SW- RL
[On/Off] The switch status input from rear door switch LH
DOOR SW-BK
[On/Off] The switch status input from back door switch
OPTICAL SENSOR
[On/Off] The sensor status input from optical sensor
OPTI SEN (DTCT)
[V] The value of outside brightness voltage input from the optical sensor
OPTI SEN (FILT)
[V] The value of outside brightness voltage filtered by BCM
Monitor item
[Unit] Description
Test item Operation Description
TAIL LAMP On
Transmits the position light request signal to IPDM E/R via CAN commu-
nication to turn the tail lamp ON
Off Stops the tail lamp request signal transmission
HEAD LAMP Hi
Transmits the high beam request signal via CAN communication to turn
the headlamp (HI)
Lo Transmits the low beam request signal via CAN communication to turn
the headlamp (LO)
Off Stops the high & low beam request signal transmission
FR FOG LAMP On
Transmits the front fog lights request signal to IPDM E/R via CAN com-
munication to turn the front fog lamp ON
Off Stops the front light request signal transmission
RR FOG LAMP On
NOTE:
This item is indicated, but can not tested
Off
DAYTIME RUNNING LIGHT* On
Transmits the front fog lights request signal to IPDM E/R via CAN com-
munication to turn the front fog lamp ON (daytime running light system)
Off Stops the front light request signal transmission (daytime running light
system)
ILL DIM SIGNAL On Transmits the dimmer signal to combination meter via CAN communi-
cation and dims combination meter
Transmits the dimmer signal to AV control unit and dims display
Off Stops the dimmer signal transmission
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EXL-26
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
*: Factory setting
DATA MONITOR
ACTIVE TEST
Service item Setting item Setting
HAZARD ANSWER
BACK Lock Only With locking only
Sets the](/img/42/57033/w960_57033-2735.png "INFINITI QX56 2011 Factory Service Manual
EXL-26
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
*: Factory setting
DATA MONITOR
ACTIVE TEST
Service item Setting item Setting
HAZARD ANSWER
BACK Lock Only With locking only
Sets the")
EXL-26
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
*: Factory setting
DATA MONITOR
ACTIVE TEST
Service item Setting item Setting
HAZARD ANSWER
BACK Lock Only With locking only
Sets the hazard warning lamp answer back function
when the door is lock/unlock with the request switch or
the key fob.
Unlk Only With unlocking only
Lock&Unlk
*With locking/unlocking
Off Without the function
Monitor item [Unit] Description
REQ SW-DR
[On/Off] The switch status input from the request switch (driver side)
REQ SW-AS
[On/Off] The switch status input from the request switch (passenger side)
PUSH SW
[On/Off] The switch status input from the push-button ignition switch
TURN SIGNAL R
[On/Off] Each switch status that BCM detects from the combination switch reading function
TURN SIGNAL L
[On/Off]
HAZARD SW
[On/Off] The switch status input from the hazard switch
RKE-LOCK
[On/Off] Lock signal status received from the remote keyless entry receiver
RKE-UNLOCK
[On/Off] Unlock signal status received from the remote keyless entry receiver
RKE-PANIC
[On/Off] Panic alarm signal status received from the remote keyless entry receiver
Test item Operation Description
FLASHER RH Outputs the voltage to blink the right side turn signal lamps.
LH Outputs the voltage to blink the left side turn signal lamps.
Off Stops the voltage to turn the turn signal lamps OFF.
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DIAGNOSIS SYSTEM (IPDM E/R)EXL-27
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Diagnosis DescriptionINFOID:0000000006368066
AUTO ACTIVE TEST
Descr](/img/42/57033/w960_57033-2736.png "INFINITI QX56 2011 Factory Service Manual
DIAGNOSIS SYSTEM (IPDM E/R)EXL-27
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Diagnosis DescriptionINFOID:0000000006368066
AUTO ACTIVE TEST
Descr")
DIAGNOSIS SYSTEM (IPDM E/R)EXL-27
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Diagnosis DescriptionINFOID:0000000006368066
AUTO ACTIVE TEST
Description
In auto active test, the IPDM E/R sends a drive signal to the following systems to check their operation.
Oil pressure warning lamp
Rear window defogger
Front wiper (LO, HI)
Parking lamp
License plate lamp
Tail lamp
Side marker lamp
Front fog lamp
Headlamp (LO, HI)
A/C compressor (magnet clutch)
Operation Procedure
CAUTION:
Never perform auto active test in the following conditions.
Engine is running.
CONSULT-III is connected.
1. Close the hood and lift the wiper arms from the windshield. (Prevent windshield damage due to wiper
operation)
NOTE:
When auto active test is performed with hood opened, sprinkle water on windshield beforehand.
2. Turn the ignition switch OFF.
3. Turn the ignition switch ON, and within 20 seconds, pr ess the driver door switch 10 times. Then turn the
ignition switch OFF.
CAUTION:
Close passenger door.
4. Turn the ignition switch ON within 10 seconds. Af ter that the horn sounds once and the auto active test
starts.
CAUTION:
Engine starts when ignition switch is turned ON while brake pedal is depressed.
5. The oil pressure warning lamp starts blinking when the auto active test starts.
6. After a series of the following operations is repeated 3 times, auto active test is completed.
NOTE:
When auto active test has to be cancelled halfw ay through test, turn the ignition switch OFF.
When auto active test is not activated, door swit ch may be the cause. Check door switch. Refer to DLK-117,
"ComponentFunctionCheck".
Inspection in Auto Active Test
When auto active test is actuated, the following operation sequence is repeated 3 times.
Operation
sequence Inspection location Operation
1 Oil pressure warning lamp Blinks continuously during operation of auto active test
2 Rear window defogger 10 seconds
3 Front wiper LO for 5 seconds → HI for 5 seconds
4 Parking lamp
License plate lamp
Tail lamp
Side marker lamp
Front fog lamp 10 seconds
Revision: 2010 May2011 QX56
Page 2738 of 5598
![INFINITI QX56 2011 Factory Service Manual
EXL-28
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
Concept of auto active test
IPDM E/R starts the auto active test with the door
switch signals transmitted by BCM via CAN commu](/img/42/57033/w960_57033-2737.png "INFINITI QX56 2011 Factory Service Manual
EXL-28
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
Concept of auto active test
IPDM E/R starts the auto active test with the door
switch signals transmitted by BCM via CAN commu")
EXL-28
< SYSTEM DESCRIPTION >[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
Concept of auto active test
IPDM E/R starts the auto active test with the door
switch signals transmitted by BCM via CAN communica-
tion. Therefore, the CAN communication line between IPDM E/R and BCM is considered normal if the auto
active test starts successfully.
The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated.
Diagnosis chart in auto active test
5 Headlamp LO for 10 seconds →HI ON ⇔ OFF 5 times
6 A/C compressor (magnet clutch) ON ⇔ OFF 5 times
Operation
sequence Inspection location Operation
JMMIA0492GB
Symptom Inspection contents Possible cause
Rear window defogger does not operate Perform auto active test.
Does the rear window defog-
ger operate?YES BCM signal input circuit
NO Rear window defogger
Rear window defogger
ground circuit
Harness or connector be- tween IPDM E/R and rear
window defogger
IPDM E/R
Any of the following components do not operate
Parking lamp
License plate lamp
Tail lamp
Side marker lamp
Front fog lamp
Headlamp (HI, LO)
Front wiper (HI, LO) Perform auto active test.
Does the applicable system
operate?YES BCM signal input circuit
NO Lamp or motor
Lamp or motor ground cir-
cuit
Harness or connector be- tween IPDM E/R and appli-
cable system
IPDM E/R
A/C compressor does not operate Perform auto active test.
Does the magnet clutch oper-
ate?YES
A/C auto amp. signal input
circuit
CAN communication signal
between A/C auto amp. and
ECM
CAN communication signal
between ECM and IPDM E/
R
NO Magnet clutch
Harness or connector be-
tween IPDM E/R and mag-
net clutch
IPDM E/R
Revision: 2010 May2011 QX56