INFINITI QX56 2011 Factory Service Manual

BCM (BODY CONTROL MODULE)RF-7
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM (BODY CONTROL MODULE)
List of ECU ReferenceINFOID:0000000006141226
ECU Reference
BCM BCS-33, "
Reference Value"
BCS-54, "Fail-safe"
BCS-57, "DTCIndex"
Revision: 2010 May2011 QX56

RF-8
< ECU DIAGNOSIS INFORMATION >
SUNROOF SYSTEM
SUNROOF SYSTEM
Reference ValueINFOID:0000000006141227
TERMINAL LAYOUT
PHYSICAL VALUES
JMKIA2225ZZ
Te r m i n a l N o .(Wire color) Description
ConditionVoltage (V)
(Approx.)
+ – Signal name Input/
Output
1
(B) Ground Ground — — 0
3
(Y) Ground Retained power signal Input Ignition switch ON
12
Within 45 seconds after ignition
switch is turned to OFF
When driver side or passenger side
door is opened during retained pow-
er operation 0
5
(P) Ground Sunroof open signal Input Sunroof switch in following position
TILT DOWN
 SLIDE OPEN
0
Ignition switch ON 12
6
(W) Ground Sunroof power supply Input — 12
8
(SB) Ground Vehicle speed signal (2-
pulse)
InputSpeedometer operated [When vehi-
cle speed is approx.40km/ h
(25MPH)]
10
(GR) Ground Sunroof close signal Input Sunroof switch in following position
TILT UP
 SLIDE CLOSE
0
Ignition switch ON 12
ELF1080D
Revision: 2010 May2011 QX56

SUNROOF MOTOR ASSEMBLYRF-9
< WIRING DIAGRAM >
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WIRING DIAGRAM
SUNROOF MOTOR ASSEMBLY
Wiring DiagramINFOID:0000000006141228
JCKWM4481GB
Revision: 2010 May2011 QX56

RF-10
< WIRING DIAGRAM >
SUNROOF MOTOR ASSEMBLY
JCKWM4482GB
Revision: 2010 May2011 QX56

SUNROOF MOTOR ASSEMBLYRF-11
< WIRING DIAGRAM >
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JCKWM4483GB
Revision: 2010 May2011 QX56

RF-12
< WIRING DIAGRAM >
SUNROOF MOTOR ASSEMBLY
JCKWM4484GB
Revision: 2010 May2011 QX56

SUNROOF MOTOR ASSEMBLYRF-13
< WIRING DIAGRAM >
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JCKWM4485GB
Revision: 2010 May2011 QX56

RF-14
< WIRING DIAGRAM >
SUNROOF MOTOR ASSEMBLY
JCKWM4486GB
Revision: 2010 May2011 QX56

SUNROOF MOTOR ASSEMBLYRF-15
< WIRING DIAGRAM >
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JCKWM4487GB
Revision: 2010 May2011 QX56

RF-16
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
WorkFlowINFOID:0000000006141229
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicle in.
>> GO TO 2.
2.REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 3.
3.IDENTIFY THE MALFUNCTIONING SYS TEM WITH “SYMPTOM DIAGNOSIS”
Use “Symptom diagnosis” from the symptom inspection re sult in step 2 and then identify where to start per-
forming the diagnosis based on possible causes and symptoms.
>> GO TO 4.
4.IDENTIFY THE MALFUNCTIONING PART S WITH “COMPONENT DIAGNOSIS”
Perform the diagnosis with “Component diagnosis” of the applicable system.
>> GO TO 5.
5.REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 6.
6.FINAL CHECK
Check that malfunctions are not reproduced when obtaini ng the malfunction information from the customer,
referring to the symptom inspection result in step 2.
Are the malfunctions corrected?
YES >> INSPECTION END
NO >> GO TO 3.
Revision: 2010 May2011 QX56