2009 INFINITI QX56 Factory Service Manual

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Page 2457 of 4171

INFINITI QX56 2009 Factory Service Manual DIAGNOSIS SYSTEM (BCM)INL-13
< FUNCTION DIAGNOSIS >
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ACTIVE TEST
BATTERY SAVER
BATTERY SAVER : CONSULT-III Function (BCM - BATTERY SAVER)INFOID:0000000004109549
WORK SU

DIAGNOSIS SYSTEM (BCM)INL-13
< FUNCTION DIAGNOSIS >
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BATTERY SAVER
BATTERY SAVER : CONSULT-III Function (BCM - BATTERY SAVER)INFOID:0000000004109549
WORK SUPPORT
*: Initial setting
DATA MONITOR
ACTIVE TEST
*: Each lamp switch is in ON position. Test Item
Operation Description
INT LAMP ON Outputs the interior room lamp control signal to turn the interior room lamps ON.
OFF Stops the interior room lamp control signal to turn the interior room lamps OFF.
IGN ILLUM ON
Outputs the ignition keyhole illumination control signal to turn the ignition keyhole il-
lumination lamp ON.
OFF Stops the ignition keyhole illumination control signal to turn the ignition keyhole illu-
mination lamp OFF.
STEP LAMP TEST ON Outputs the step lamp control signal to turn the step lamps ON.
OFF Stops the step lamp control signal to turn the step lamps OFF.
LUGGAGE LAMP TEST ON Outputs the luggage lamp control signal to turn the luggage lamp ON.
OFF Stops the luggage lamp control signal to turn the luggage lamp OFF.
Work Item Setting Item Setting
ROOM LAMP TIMER SET MODE 1* 15 min.
Sets the interior room lamp battery saver timer operating
time.
MODE 2 30 min.
Monitor Item
[Unit] Description
IGN ON SW [ON/OFF] Ignition switch (ON) status judges from IGN signal (ignition power supply)
KEY ON SW [ON/OFF] The switch status input from key switch
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
BACK DOOR SW [ON/OFF] The switch status input from back door switch
KEY CYL LK-SW [ON/OFF] Lock switch status input from door key cylinder switch
KEY CYL UN-SW [ON/OFF] Unlock switch status input from door key cylinder switch
CDL LOCK SW [ON/OFF] Lock switch status input from door lock and unlock switch
CDL UNLOCK SW [ON/OFF] Unlock switch status input from door lock and unlock switch
I-KEY LOCK [ON/OFF] Lock signal status received from Intelligent Key unit by CA N communication
I-KEY UNLOCK [ON/OFF] Unlock signal status received from Intelligen t Key unit by CAN communication
Test ItemOperation Description
BATTERY SAVER OFF Cuts the interior room lamp power supply to turn interior room lamps OFF.
ON Outputs the interior room lamp power supply to turn interior room lamps ON.*
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual INL-14
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis ProcedureINFOID:0000000004109550
1. CHECK FUSES AND FUSIBLE LINK

Page 2459 of 4171

INFINITI QX56 2009 Factory Service Manual BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUITINL-15
< COMPONENT DIAGNOSIS >
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BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
DescriptionINFOID:0000000003776251
Provides the batte

Page 2460 of 4171

INFINITI QX56 2009 Factory Service Manual INL-16
< COMPONENT DIAGNOSIS >
BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
- Front step lamp LH
- Front step lamp RH
- Door mirror LH
- Door mirror RH
- Rear step lamp LH
- Rear step lamp RH
- Foot lamp

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INFINITI QX56 2009 Factory Service Manual INTERIOR ROOM LAMP CONTROL CIRCUITINL-17
< COMPONENT DIAGNOSIS >
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INTERIOR ROOM LAMP CONTROL CIRCUIT
DescriptionINFOID:0000000003776254
Controls the following interior

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INFINITI QX56 2009 Factory Service Manual INL-18
< COMPONENT DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M20, door mirror connectors andfront room/map lamp assembly connector.
3. Che

Page 2463 of 4171

INFINITI QX56 2009 Factory Service Manual STEP LAMP CIRCUITINL-19
< COMPONENT DIAGNOSIS >
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STEP LAMP CIRCUIT
DescriptionINFOID:0000000003776257
Controls the front and rear step lamps and the foot lamps (ground

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INFINITI QX56 2009 Factory Service Manual INL-20
< COMPONENT DIAGNOSIS >
STEP LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M20, front step lamp, rear step lampand foot lamp connectors.
3. Check continuity between BCM

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