Murano Cross Cabriolet Z51 (2012 year). Manual — part 70
PWC-10
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000007827591
APPLICATION ITEM
CONSULT 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
NOTE:
*: This item is displayed, but is 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.
Diagnosis mode
Function Description
Work Support
Changes the setting for each system function.
Self Diagnostic Result
Displays the diagnosis results judged by BCM.
CAN Diag Support Monitor
Monitors the reception status of CAN communication viewed from BCM.
Data Monitor
The BCM input/output signals are displayed.
Active Test
The signals used to activate each 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
×
NVIS - NATS
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Trunk lid opener system
TRUNK
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
AIR PRESSURE MONITOR
×
×
×
Revision: 2013 February
2012 Murano CrossCabriolet
DIAGNOSIS SYSTEM (BCM)
PWC-11
< SYSTEM DESCRIPTION >
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NOTE:
*: Power supply position shifts to “LOCK” from “OFF”, when ignition switch is in the OFF position, selector lever is in the P position, and
any of the following conditions are met.
• Closing door
• Opening door
• Door is locked using door request switch
• Door is locked using Intelligent Key
The power supply position shifts to “ACC” when the push-button ignition switch (push switch) is pushed at “LOCK”.
RETAINED PWR
RETAINED PWR : CONSULT Function (BCM - RETAINED PWR)
INFOID:0000000007563120
Data monitor
CONSULT screen item
Indication/Unit
Description
Vehicle Speed
km/h
Vehicle speed of the moment a particular DTC is detected
Odo/Trip Meter
km
Total mileage (Odometer value) of the moment a particular DTC is detected
Vehicle Condition
SLEEP>LOCK
Power position status of
the moment a particular
DTC is detected
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “LOCK”*)
SLEEP>OFF
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “OFF”.)
LOCK>ACC
While turning power supply position from “LOCK” to “ACC”
ACC>ON
While turning power supply position from “ACC” to “IGN”
RUN>ACC
While turning power supply position from “RUN” to “ACC” (Vehicle
is stopping and selector lever is except P position.)
CRANK>RUN
While turning power supply position from “CRANKING” to “RUN”
(From cranking up the engine to run it)
RUN>URGENT
While turning power supply position from “RUN“ to “ACC” (Emer-
gency stop operation)
ACC>OFF
While turning power supply position from “ACC” to “OFF”
OFF>LOCK
While turning power supply position from “OFF” to “LOCK”*
OFF>ACC
While turning power supply position from “OFF” to “ACC”
ON>CRANK
While turning power supply position from “IGN” to “CRANKING”
OFF>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “OFF”.) to low power consumption mode
LOCK>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “LOCK”*) to low power consumption mode
LOCK
Power supply position is “LOCK”*
OFF
Power supply position is “OFF” (Ignition switch OFF)
ACC
Power supply position is “ACC” (Ignition switch ACC)
ON
Power supply position is “IGN” (Ignition switch ON with engine
stopped)
ENGINE RUN
Power supply position is “RUN” (Ignition switch ON with engine
running)
CRANKING
Power supply position is “CRANKING” (At engine cranking)
IGN Counter
0 - 39
The number of times that ignition switch is turned ON after DTC is detected
• The number is 0 when a malfunction is detected now.
• The number increases like 1
→
2
→
3...38
→
39 after returning to the normal condition
whenever ignition switch OFF
→
ON.
• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
Revision: 2013 February
2012 Murano CrossCabriolet
PWC-12
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
Monitor Item
Description
DOOR SW-DR
Indicates [ON/OFF] condition of driver side door switch.
DOOR SW-AS
Indicates [ON/OFF] condition of passenger side door switch.
Revision: 2013 February
2012 Murano CrossCabriolet
BCM, SOFT TOP CONTROL UNIT
PWC-13
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM, SOFT TOP CONTROL UNIT
List of ECU Reference
INFOID:0000000007563121
ECU
Reference
BCM
BCS-53, "DTC Inspection Priority Chart"
Soft top control unit
RF-61, "DTC Inspection Priority Chart"
Revision: 2013 February
2012 Murano CrossCabriolet
PWC-14
< ECU DIAGNOSIS INFORMATION >
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH
Reference Value
INFOID:0000000007563122
TERMINAL LAYOUT
PHYSICAL VALUES
LIIA2455E
Terminal No.
(Wire color)
Description
Condition
Voltage (V)
(Approx.)
+
-
Signal name
Input/
Output
2
(W)
Ground
Encoder ground
—
—
0
4
(L)
Ground
Door key cylinder switch (driver
side) LOCK signal
Input
Key position
(Neutral
→
Locked)
5
→
0
5
(R)
Ground
Front door switch (driver side)
signal
Input
OFF (when driver side door
closed)
ON (when driver side door
opened)
0
6
(R)
Ground
Door key cylinder switch (driver
side) UNLOCK signal
Input
Key position
(Neutral
→
Unlocked)
5
→
0
8
(L)
Ground
Front power window motor
(driver side) UP signal
Output
When front LH switch in
power window main switch
is in UP operation.
12
9
(G)
Ground
Encoder pulse signal 2
Input
When front power window
motor (driver side) operates.
10
(V)
Ground
Retained power signal
Input
Ignition switch ON
12
Within 45 seconds after igni-
tion switch is turned to OFF.
12
When driver side or passen-
ger side door is opened dur-
ing retained power
operation.
0
JPMIA0011GB
JMKIA0070GB
Revision: 2013 February
2012 Murano CrossCabriolet
POWER WINDOW MAIN SWITCH
PWC-15
< ECU DIAGNOSIS INFORMATION >
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Fail-safe
INFOID:0000000007563123
FAIL-SAFE CONTROL
Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and
direction of door glass. Switches to fail-safe control when error beyond regulation value is detected between
the fully closed position and the actual position of the glass.
It changes to condition before initialization and the following functions do not operate when switched to fail-
safe control.
• Auto-up operation
• Anti-pinch function
• Retained power function
Perform initial operation to recover when switched to fail-safe mode. However, it switches back to fail-safe
control when malfunction is found in power window switch or front power window motor.
11
(LG)
Ground
Front power window motor
(driver side) DOWN signal
Output
When front LH switch in
power window main switch
is in DOWN operation.
12
13
(Y)
Ground
Encoder pulse signal 1
Input
When front power window
motor (driver side) operates.
14
(O)
Ground
Power window serial link
Input/
Output
Ignition switch ON or power
window timer operating.
15
(R)
Ground
Encoder power supply
Output
When ignition switch ON or
power window timer oper-
ates.
12
17
(B)
Ground
Ground
—
—
0
19
(LG)
Ground
Battery power supply
Input
Ignition switch OFF
12
Terminal No.
(Wire color)
Description
Condition
Voltage (V)
(Approx.)
+
-
Signal name
Input/
Output
JMKIA0070GB
JPMIA0013GB
Error
Error condition
Pulse sensor malfunction
When only one side of pulse signal is being detected for more than the specified value.
Both pulse sensors mal-
function
When both pulse signals have not been detected for more than the specified value during glass open/
close operation.
Pulse direction malfunction
When the pulse signal that is detected during glass open/close operation detects the opposite condition
of power window motor operating direction.
Glass recognition position
malfunction 1
When it detects the error between glass fully closed position in power window switch memory and actual
fully closed position during glass open/close operation is more than the specified value.
Glass recognition position
malfunction 2
When it detects pulse count more than the value of glass full stroke during glass open/close operation.
Revision: 2013 February
2012 Murano CrossCabriolet
PWC-16
< ECU DIAGNOSIS INFORMATION >
FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
Reference Value
INFOID:0000000007563124
TERMINAL LAYOUT
PHYSICAL VALUES
LIIA2454E
Terminal No.
(Wire color)
Description
Condition
Voltage [V]
(Approx.)
+
-
Signal name
Input/
Output
3
(W)
Ground
Encoder ground
—
—
0
4
(R)
Ground
Encoder power supply
Output
When ignition switch ON or
power window timer operates.
12
8
(L)
Ground
Front power window mo-
tor (passenger side) UP
signal
Output
When front RH switch in power
window main switch is in UP op-
eration.
12
9
(LG)
Ground
Front power window mo-
tor (passenger side)
DOWN signal
Output
When front RH switch in power
window main switch is in DOWN
operation.
12
10
(P)
Ground
Battery power supply
Input
Ignition switch OFF
12
11
(B)
Ground
Ground
—
—
0
12
(Y)
Ground
Encoder pulse signal 1
Input
When front power window motor
(passenger side) operates.
14
(R)
Ground
Front door switch (pas-
senger side) signal
Input
OFF (when passenger side door
closed)
ON (when passenger side door
opened)
0
JMKIA0070GB
JPMIA0011GB
Revision: 2013 February
2012 Murano CrossCabriolet
FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
PWC-17
< ECU DIAGNOSIS INFORMATION >
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Fail-safe
INFOID:0000000007563125
FAIL-SAFE CONTROL
Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and
direction of door glass. Switches to fail-safe control when error beyond regulation value is detected between
the fully closed position and the actual position of the glass.
It changes to condition before initialization and the following functions do not operate when switched to fail-
safe control.
• Auto-up operation
• Anti-pinch function
• Retained power function
Perform initial operation to recover when switched to fail-safe mode. However, it switches back to fail-safe
control when malfunction is found in power window switch or front power window motor.
15
(G)
Ground
Encoder pulse signal 2
Input
When front power window motor
(passenger side) operates.
16
(O)
Ground
Power window serial link
Input/
Output
Ignition switch ON or power win-
dow timer operating.
Terminal No.
(Wire color)
Description
Condition
Voltage [V]
(Approx.)
+
-
Signal name
Input/
Output
JMKIA0070GB
JPMIA0013GB
Error
Error condition
Pulse sensor malfunction
When only one side of pulse signal is being detected for more than the specified value.
Both pulse sensors mal-
function
When both pulse signals have not been detected for more than the specified value during glass open/
close operation.
Pulse direction malfunction
When the pulse signal that is detected during glass open/close operation detects the opposite condition
of power window motor operating direction.
Glass recognition position
malfunction 1
When it detects the error between glass fully closed position in power window switch memory and actual
fully closed position during glass open/close operation is more than the specified value.
Glass recognition position
malfunction 2
When it detects pulse count more than the value of glass full stroke during glass open/close operation.
Revision: 2013 February
2012 Murano CrossCabriolet
PWC-18
< ECU DIAGNOSIS INFORMATION >
REAR POWER WINDOW SWITCH LH
REAR POWER WINDOW SWITCH LH
Reference Value
INFOID:0000000007563126
TERMINAL LAYOUT
PHYSICAL VALUES
LIIA2454E
Terminal No.
(wire color)
Description
Condition
Voltage [V]
(Approx.)
+
-
Signal name
Input/
Output
3
(W)
Ground
Encoder ground
—
—
0
4
(R)
Ground
Encoder power supply
Output
When ignition switch ON or pow-
er window timer operates.
12
8
(L)
Ground
Rear power window mo-
tor LH UP signal
Output
When rear LH switch in power
window main switch is in UP op-
eration.
12
9
(LG)
Ground
Rear power window mo-
tor LH DOWN signal
Output
When rear LH switch in power
window main switch is in DOWN
operation.
12
10
(P)
Ground
Battery power supply
Input
Ignition switch OFF
Battery voltage
11
(B)
Ground
Ground
—
—
0
12
(Y)
Ground
Encoder pulse signal 1
Input
When rear power window motor
LH operates.
JMKIA0070GB
Revision: 2013 February
2012 Murano CrossCabriolet
REAR POWER WINDOW SWITCH LH
PWC-19
< ECU DIAGNOSIS INFORMATION >
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Fail-safe
INFOID:0000000007563127
FAIL-SAFE CONTROL
Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and
direction of door glass. Switches to fail-safe control when error beyond regulation value is detected between
the fully closed position and the actual position of the glass.
It changes to condition before initialization and the following functions do not operate when switched to fail-
safe control.
• Auto-up operation
• Anti-pinch function
• Retained power function
Perform initial operation to recover when switched to fail-safe mode. However, it switches back to fail-safe
control when malfunction is found in power window switch or front power window motor.
15
(O)
Ground
Encoder pulse signal 2
Input
When rear power window motor
LH operates.
16
(G)
Ground
Power window serial link
Input/
Output
When ignition switch ON or pow-
er window timer operates.
Terminal No.
(wire color)
Description
Condition
Voltage [V]
(Approx.)
+
-
Signal name
Input/
Output
JMKIA0070GB
JPMIA0013GB
Error
Error condition
Pulse sensor malfunction
When only one side of pulse signal is being detected for more than the specified value.
Both pulse sensors mal-
function
When both pulse signals have not been detected for more than the specified value during glass open/
close operation.
Pulse direction malfunction
When the pulse signal that is detected during glass open/close operation detects the opposite condition
of power window motor operating direction.
Glass recognition position
malfunction 1
When it detects the error between glass fully closed position in power window switch memory and actual
fully closed position during glass open/close operation is more than the specified value.
Glass recognition position
malfunction 2
When it detects pulse count more than the value of glass full stroke during glass open/close operation.
Revision: 2013 February
2012 Murano CrossCabriolet
PWC-20
< ECU DIAGNOSIS INFORMATION >
REAR POWER WINDOW SWITCH RH
REAR POWER WINDOW SWITCH RH
Reference Value
INFOID:0000000007563128
TERMINAL LAYOUT
PHYSICAL VALUES
LIIA2454E
Terminal No.
(wire color)
Description
Condition
Voltage [V]
(Approx.)
+
-
Signal name
Input/
Output
3
(W)
Ground
Encoder ground
—
—
0
4
(R)
Ground
Encoder power supply
Output
When ignition switch ON or pow-
er window timer operates.
12
8
(L)
Ground
Rear power window mo-
tor RH UP signal
Output
When rear RH switch in power
window main switch is in UP op-
eration.
12
9
(LG)
Ground
Rear power window mo-
tor RH DOWN signal
Output
When rear RH switch in power
window main switch is in DOWN
operation.
12
10
(GR)
Ground
Battery power supply
Input
Ignition switch OFF
Battery voltage
11
(B)
Ground
Ground
—
—
0
12
(Y)
Ground
Encoder pulse signal 1
Input
When rear power window motor
RH operates.
JMKIA0070GB
Revision: 2013 February
2012 Murano CrossCabriolet
REAR POWER WINDOW SWITCH RH
PWC-21
< ECU DIAGNOSIS INFORMATION >
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Fail-safe
INFOID:0000000007563129
FAIL-SAFE CONTROL
Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and
direction of door glass. Switches to fail-safe control when error beyond regulation value is detected between
the fully closed position and the actual position of the glass.
It changes to condition before initialization and the following functions do not operate when switched to fail-
safe control.
• Auto-up operation
• Anti-pinch function
• Retained power function
Perform initial operation to recover when switched to fail-safe mode. However, it switches back to fail-safe
control when malfunction is found in power window switch or front power window motor.
15
(G)
Ground
Encoder pulse signal 2
Input
When rear power window motor
RH operates.
16
(G)
Ground
Power window serial link
Input/
Output
When ignition switch ON or pow-
er window timer operates.
Terminal No.
(wire color)
Description
Condition
Voltage [V]
(Approx.)
+
-
Signal name
Input/
Output
JMKIA0070GB
JPMIA0013GB
Error
Error condition
Pulse sensor malfunction
When only one side of pulse signal is being detected for more than the specified value.
Both pulse sensors mal-
function
When both pulse signals have not been detected for more than the specified value during glass open/
close operation.
Pulse direction malfunction
When the pulse signal that is detected during glass open/close operation detects the opposite condition
of power window motor operating direction.
Glass recognition position
malfunction 1
When it detects the error between glass fully closed position in power window switch memory and actual
fully closed position during glass open/close operation is more than the specified value.
Glass recognition position
malfunction 2
When it detects pulse count more than the value of glass full stroke during glass open/close operation.
Revision: 2013 February
2012 Murano CrossCabriolet
PWC-22
< WIRING DIAGRAM >
POWER WINDOW SYSTEM
WIRING DIAGRAM
POWER WINDOW SYSTEM
Wiring Diagram
INFOID:0000000007563130
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRKWC1073GB
Revision: 2013 February
2012 Murano CrossCabriolet
DIAGNOSIS AND REPAIR WORK FLOW
PWC-23
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000007563131
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 SYSTEM WITH “SYMPTOM DIAGNOSIS”
Use “Symptom diagnosis” from the symptom inspection result 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 PARTS WITH “DTC/CIRCUIT DIAGNOSIS”
Perform the diagnosis with “DTC/CIRCUIT 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 obtaining 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: 2013 February
2012 Murano CrossCabriolet
PWC-24
< BASIC INSPECTION >
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL
Description
INFOID:0000000007563132
When the battery negative terminal is disconnected, the initialization is necessary for normal operation of
power window system.
CAUTION:
The following specified operations can not be performed under the non-initialized condition.
• Auto-up operation
• Anti-pinch function
• Automatic window adjusting function
Work Procedure
INFOID:0000000007563133
1.
SYSTEM INITIALIZATION
Perform system initialization. Refer to
>> GO TO 2.
2.
CHECK ANTI-PINCH FUNCTION
Check anti-pinch function. Refer to
>> END
Revision: 2013 February
2012 Murano CrossCabriolet
ADDITIONAL SERVICE WHEN REPLACING POWER WINDOW SWITCH
PWC-25
< BASIC INSPECTION >
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ADDITIONAL SERVICE WHEN REPLACING POWER WINDOW SWITCH
Description
INFOID:0000000007563134
When the power window main switch or front power window switch (passenger side) replaced, the initialization
in necessary for normal operation of power window system.
CAUTION:
The following specified operations can not be performed under the non-initialized condition.
• Auto-up operation
• Anti-pinch function
• Automatic window adjusting function
Work Procedure
INFOID:0000000007563135
1.
SYSTEM INITIALIZATION
Perform system initialization. Refer to
>> GO TO 2.
2.
CHECK ANTI-PINCH FUNCTION
Check anti-pinch function. Refer to
>> END
Revision: 2013 February
2012 Murano CrossCabriolet
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