Nissan Murano Z50 (2003 year). Manual — part 79
WARNING CHIME
DI-97
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●
Type31
●
Type32
SKIA4932E
SKIA4933E
DI-98
WARNING CHIME
Revision; 2004 April
2003 Murano
Input/output Signal Chart
T: Transmit R: Receive
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and
A/C
amp.
Steer
ing
angle
sen-
sor
Drive
r seat
con-
trol
unit
AWD
con-
trol
unit
ABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
Engine and CVT integrated control
signal
T
R
R
T
Second position signal
R
T
VDC operation signal
R
R
T
Stop lamp switch signal
R
T
R
Key switch signal
T
R
Ignition switch signal
T
R
R
P range signal
T
R
R
Closed throttle position signal
T
R
Wide open throttle position signal
T
R
Second position indicator signal
T
R
R
Engine speed signal
T
R
R
R
R
R
R
Engine status signal
T
R
Engine coolant temperature signal
T
R
Accelerator pedal position signal
T
R
R
R
Fuel consumption monitor signal
T
R
CVT self-diagnosis signal
R
T
Input shaft revolution signal
R
T
R
Output shaft revolution signal
R
T
R
Air conditioner switch signal
R
T
A/C compressor request signal
T
R
A/C compressor feedback signal
T
R
T
Blower fan motor switch signal
R
T
A/C control signal
T
T
R
R
R
T
Cooling fan speed request signal
T
R
Position lights request signal
T
R
R
Low beam request signal
T
R
Low beam status signal
R
T
High beam request signal
T
R
R
High beam status signal
R
T
Front fog lights request signal
T
R
Vehicle speed signal
R
R
R
T
R
R
R
R
T
R
Sleep request 1 signal
T
R
Sleep request 2 signal
T
R
WARNING CHIME
DI-99
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Door switch signal
R
T
R
R
T
R
R
R
Turn indicator signal
T
R
Key fob ID signal
T
R
Key fob door unlock signal
T
R
Seat belt buckle switch signal
R
T
Oil pressure switch signal
R
T
T
R
Buzzer output signal
T
R
Fuel level sensor signal
R
T
Fuel level low warning signal
R
R
T
Malfunction indicator signal
T
R
ASCD SET lamp signal
T
R
ASCD CRUISE lamp signal
T
R
Front wiper request signal
T
R
Front wiper stop position signal
R
T
Rear window defogger switch signal
T
R
Rear window defogger control signal
R
R
R
T
Hood switch signal
R
T
Theft warning horn request signal
T
R
Horn chirp signal
T
R
Steering angle sensor signal
T
R
Tire pressure signal
T
R
Tire pressure data signal
T
R
R
CVT position indicator signal
T
R
R
ABS warning lamp signal
R
T
VDC OFF indicator lamp signal
R
T
SLIP indicator lamp signal
R
T
Brake warning lamp signal
R
T
System setting signal
T
T
R
AWD warning lamp signal
R
T
AWD lock indicator lamp signal
R
T
AWD lock switch signal
T
R
Parking brake switch signal
R
T
R
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and
A/C
amp.
Steer
ing
angle
sen-
sor
Drive
r seat
con-
trol
unit
AWD
con-
trol
unit
ABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
DI-100
WARNING CHIME
Revision; 2004 April
2003 Murano
Wiring Diagram — CHIME —
AKS004H3
TKWA1169E
WARNING CHIME
DI-101
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TKWA0830E
DI-102
WARNING CHIME
Revision; 2004 April
2003 Murano
Terminals and Reference Value for BCM
AKS004H4
Terminals and Reference Value for Unified Meter and A/C Amp.
AKS004H5
Terminal
No.
Wire
color
Item
Measuring condition
Reference value (V)
Ignition
switch
Operation or condition
7
W/B
Battery power supply
OFF
—
Battery voltage
8
B
Ground
ON
—
Approx. 0
14
SB
Driver side door switch signal
OFF
ON (open)
Approx. 0
OFF (closed)
Approx. 5
35
R
Ignition switch ON or START
ON
—
Battery voltage
40
R/B
Combination switch output 2
ON
—
41
R/G
Combination switch output 3
42
P/L
Combination switch output 4
43
R
Combination switch output 5
47
R/W
Combination switch output 1
48
L/W
Combination switch input 1
ON
Lighting switch and wiper switch
are OFF.
4.5 or more
49
G/B
Combination switch input 2
50
LG/R
Combination switch input 3
51
G/Y
Combination switch input 4
52
LG/B
Combination switch input 5
62
B/R
Key switch signal
OFF
Key is removed
Approx. 0
Key is inserted
Approx. 12
70
L
CAN H
OFF
—
—
71
Y
CAN L
OFF
—
—
SKIA1119J
Terminal
No.
Wire
color
Item
Measuring or condition
Reference value (V)
Ignition
switch
Operation or condition
1
L
CAN H
OFF
—
—
8
SB
Driver side door switch sig-
nal
OFF
ON (open)
Approx. 0
OFF (closed)
Battery voltage
9
R/B
TX communication line (To
combination meter)
ON
—
11
Y
CAN L
OFF
—
—
19
R/L
RX communication line
(From combination meter)
ON
—
21
Y/R
Battery power supply
OFF
—
Battery voltage
22
G
Ignition switch ON or START
ON
—
Battery voltage
SKIA3362E
SKIA3361E
WARNING CHIME
DI-103
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Terminals and Reference Value for Combination Meter
AKS004H6
How to Proceed With Trouble Diagnosis
AKS004H7
1.
Confirm the symptom or customer complaint.
2.
Understand operation description and function description. Refer to
3.
Perform the preliminary check. Refer to
4.
Start engine.
5.
Select “METER A/C AMP” on CONSULT-II, and perform self-diagnosis of unified meter and A/C amp.
Refer to
6.
After erasing the self-diagnosis result, perform self-diagnosis again. When no malfunction detected, go to
next step 7. When malfunction detected, go to
in “COMBINATION METER”.
7.
Check symptom and repair or replace the cause of malfunction.
8.
Does the warning chime operate normally? If so, go to 9. If not, go to 7.
9.
INSPECTION END
29
B
Ground (power)
ON
—
Approx. 0
30
B
Ground
ON
—
Approx. 0
Terminal
No.
Wire
color
Item
Measuring or condition
Reference value (V)
Ignition
switch
Operation or condition
Terminal
No.
Wire
color
Item
Measuring condition
Reference value (V)
Ignition
switch
Operation or condition
3
LG
Seat belt buckle switch
(Driver side)
ON
Unfastened (ON)
Approx. 0
Fastened (OFF)
Approx.12
18
R/L
TX communication line (To
unified meter and A/C amp.)
ON
—
19
R/B
RX communication line
(From unified meter and A/C
amp.)
ON
—
20
O
Ignition switch ON or START
ON
—
Battery voltage
21
Y/R
Battery power supply
OFF
—
Battery voltage
22
B
Ground
ON
—
Approx. 0
23
24
SKIA3361E
SKIA3362E
DI-104
WARNING CHIME
Revision; 2004 April
2003 Murano
Preliminary Check
AKS004H8
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSE
Check for blown BCM fuses.
DI-100, "Wiring Diagram — CHIME —"
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
1.
Disconnect BCM connector.
2.
Check voltage between BCM harness connector terminals and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open between BCM and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between BCM harness connector E118 termi-
nal 8 (B) and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Unit
Power source
Fuse No.
BCM
Battery
F
Ignition switch ON or START
1
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
Connector
Terminal
(Wire color)
E118
7 (W/B)
Ground
Battery
voltage
Battery
voltage
Battery
voltage
M35
35 (R)
0V
0V
Battery
voltage
PKIA2500E
Continuity should exist.
PKIA0560E
WARNING CHIME
DI-105
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CONSULT-II Function
AKS004H9
CONSULT-II executes the following functions by combining data reception and command transmission via the
communication line from BCM. Work support, self-diagnosis, data monitor, and active test display.
DIAGNOSTIC ITEMS DESCRIPTION
CONSULT-II BASIC OPERATION PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1.
With the ignition switch OFF, connect “CONSULT-II” and “CON-
SULT-II CONVERTER” to the data link connector, and turn igni-
tion switch ON.
2.
Touch “START (NISSAN BASED VHCL)”.
3.
Touch “BCM” on “SELECT SYSTEM” screen. If “BCM” is not
indicated, go to
GI-38, "CONSULT-II Data Link Connector (DLC)
.
BCM diagnosis position
Diagnosis mode
Description
KEY WARN ALM
Data monitor
The input data to the BCM control unit is displayed in real time.
Active test
Operation of electrical loads can be checked by sending driving signal to them.
LIGHT WARN ALM
Data monitor
The input data to the BCM control unit is displayed in real time.
Active test
Operation of electrical loads can be checked by sending driving signal to them.
SEAT BELT ALM
Data monitor
The input data to the BCM control unit is displayed in real time.
Active test
Operation of electrical loads can be checked by sending driving signal to them.
BCM C/U
Self-diagnostic
BCM performs self-diagnosis of CAN communication and combination switch.
PBIB1300E
SAIA0450E
SKIA6338E
DI-106
WARNING CHIME
Revision; 2004 April
2003 Murano
4.
Touch “KEY WARN ALM”, “LIGHT WARN ALM”, “SEAT BELT
ALM” or “BCM C/U”.
5.
Select “DATA MONITOR” “ACTIVE TEST” or “SELF-DIAG
RESULTS”.
DATA MONITOR
Operation Procedure
1.
Touch “IGN WARN ALM”, “LIGHT WARN ALM” or “SEAT BELT ALM” on “SELECT TEST ITEM” screen.
2.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3.
Touch “ALL SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR
″
screen.
4.
If “SELECTION FROM MENU” is selected, touch the desired monitor item. If “ALL SIGNALS” is selected,
all items required to control are monitored.
5.
Touch “START”.
6.
During monitoring, touching “RECORD” can start recording the monitored item status.
Data Monitor Item (Key Warning Chime)
Data Monitor Item (Light Warning Chime)
Data Monitor Item (Seat Belt Warning Chime)
ACTIVE TEST
Operation Procedure
1.
Touch “IGN WARN ALM”, “LIGHT WARN ALM” or “SEAT BELT ALM” on “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3.
Touch the item to be tested, and check the operation.
4.
During the operation check, touching “OFF” deactivates the operation.
Active Test Item (Key Warning Chime)
LKIA0072E
ALL SIGNALS
Monitors main items.
SELECTION FROM MENU
Selects and monitors items.
Monitored item
Description
IGN ON SW
Indicates [ON/OFF] condition of ignition switch.
KEY ON SW
Indicates [ON/OFF] condition of key switch.
DOOR SW-DR
Indicates [ON/OFF] condition of driver side door switch.
Monitored item
Description
IGN ON SW
Indicates [ON/OFF] condition of ignition switch.
DOOR SW-DR
Indicates [ON/OFF] condition of driver side door switch.
TAIL LAMP SW
Indicates [ON/OFF] condition of lighting switch.
Monitored item
Description
IGN ON SW
Indicates [ON/OFF] condition of ignition switch.
SEAT BELT SW
Indicates [ON/OFF] condition of seat belt buckle switch.
Test item
Malfunction is detected when···
CHIME
This test is able to check key warning chime operation. Key warning chime sounds for 2 seconds
after touching “ON” on CONSULT-ll screen.
WARNING CHIME
DI-107
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Active Test Item (Light Warning Chime)
Active Test Item (Seat Belt Warning Chime)
SELF-DIAGNOSTIC RESULTS
Operation Procedure
1.
Touch “BCM C/U” on “DIAGNOSIS ITEM SELECTION” screen.
2.
Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
3.
Self-diagnostic results are displayed.
Display Item List
NOTE:
If “CAN communication [U1000]” is indicated, after printing the monitor item, go to “CAN system”. Refer to
LAN-10, "Precautions When Using CONSULT-II"
All Warnings Are Not Operated
AKS004HA
1.
CHECK CHIME OPERATION
1.
Select “BCM” on CONSULT-II.
2.
With “KEY WARN ALM”, “LIGHT WARN ALM” or “SEAT BELT
ALM”, and perform “CHIME” of “SELECT TEST ITEM”.
Does chime sound?
YES
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NO
>> GO TO 2.
2.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1.
Select “METER A/C AMP” on CONSULT-II.
2.
Operate switches meet the requirements to sounds warning
chime with “BUZZER” of “DATA MONITOR” and check operation
status.
OK or NG
OK
>> Replace combination meter.
NG
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
Test item
Malfunction is detected when···
CHIME
This test is able to check light warning chime operation. Light warning chime sounds for 2 seconds
after touching “ON” on CONSULT-ll screen.
Test item
Malfunction is detected when···
CHIME
This test is able to check seat belt warning chime operation. Seat belt warning chime sounds for 2
seconds after touching “ON” on CONSULT-ll screen.
Monitored Item
CONSULT-ll display
Description
CAN communication
CAN communication [U1000]
Malfunction is detected in CAN communication.
Combination switch
Diagnosis 1 - 5 systems open circuit
Malfunction is detected in combination switch system.
WKIA0150E
When meet the requirements to
sounds warning chime
: BUZZER ON
Except above
: BUZZER OFF
PKIA2063E
DI-108
WARNING CHIME
Revision; 2004 April
2003 Murano
Key Warning Chime and Light Warning Chime Does Not Operate (Seat belt
Warning Chime Does Operate)
AKS005GZ
1.
CHECK BCM INPUT SIGNAL
1.
Select “BCM” on CONSULT-II.
2.
With “DATA MONITOR” of “KEY WARN ALM” or “LIGHT WARN
ALM”, confirm “DOOR SW-DR” when the driver side door switch
is operated.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> GO TO 2.
2.
CHECK DRIVER SIDE DOOR SWITCH CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Disconnect unified meter and A/C amp. connector and driver side door switch connector.
3.
Check continuity between unified meter and A/C amp. harness
connector M49 terminal 8 (SB) and driver side door switch har-
ness connector D10 terminal 4 (SB).
4.
Check continuity between unified meter and A/C amp. harness
connector M49 terminal 8 (SB) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK DRIVER SIDE DOOR SWITCH CIRCUIT 2
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector M34 terminal
14 (SB) and driver side door switch harness connector D10 ter-
minal 4 (SB).
3.
Check continuity between BCM harness connector M34 terminal
14 (SB) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
When driver side door
is opened
: DOOR SW-DR ON
When driver side door
is closed
: DOOR SW-DR OFF
SKIA2003E
Continuity should exist.
Continuity should not exist.
PKIA2501E
Continuity should exist.
Continuity should not exist.
SKIA4505E
WARNING CHIME
DI-109
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4.
CHECK DRIVER SIDE DOOR SWITCH
Check continuity between driver side door switch connector termi-
nals 4 and 5 while turning the door switch ON (open) and OFF
(closed).
OK or NG
OK
>> GO TO 5.
NG
>> Replace driver side door switch.
5.
CHECK DRIVER SIDE DOOR SWITCH GROUND CIRCUIT
Check continuity between driver side door switch harness connector
D10 terminal 5 (B) and ground.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Repair harness.
Key Warning Chime Does Not Operate
AKS004HB
1.
CHECK FUSE
Check if the key switch fuse is blown. Refer to
DI-100, "Wiring Diagram — CHIME —"
Is the fuse blown?
YES
>> Replace fuse. Be sure to repair the cause of malfunction before installing new fuse.
NO
>> GO TO 2.
2.
CHECK WARNING CHIME OPERATION
Check the chime under conditions in exception of key warning chime operation.
Does warning chime sound?
YES
>> GO TO 3.
NO
>> Go to
DI-107, "All Warnings Are Not Operated"
or
DI-108, "Key Warning Chime and Light Warn-
ing Chime Does Not Operate (Seat belt Warning Chime Does Operate)"
Connector
Terminal
Condition
Continuity
D10
4
5
Driver side door open (ON)
Yes
Driver side door closed (OFF)
No
PKIA2502E
Continuity should exist.
PKIA2576E
DI-110
WARNING CHIME
Revision; 2004 April
2003 Murano
3.
CHECK BCM INPUT SIGNAL
With CONSULT-ll
1.
Select “BCM”.
2.
With “DATA MONITOR” of “IGN WARN ALM”, confirm “KEY ON
SW” when the key is operated.
Without CONSULT-ll
Check voltage between BCM harness connector M37 terminal 62 (B/
R) and ground.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installation of BCM"
NG
>> GO TO 4.
4.
CHECK KEY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect key switch and key lock solenoid connector.
3.
Check continuity between key switch and key lock solenoid con-
nector M28 terminals 3 and 4.
OK or NG
OK
>> GO TO 5.
NG
>> Replace key switch and key lock solenoid.
When key is inserted to ignition
key cylinder
: KEY ON SW ON
When key is removed from
ignition key cylinder
: KEY ON SW OFF
SKIA1960E
Terminals
Condition
Voltage (V)
(+)
(–)
Connector
Terminal
(Wire color)
M37
62 (B/R)
Ground
Key is inserted
Approx. 12
Key is removed
Approx. 0
SKIA1961E
Terminal
Condition
Continuity
3
4
Key is inserted
Yes
Key is removed
No
PKIA2503E
WARNING CHIME
DI-111
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Revision; 2004 April
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5.
CHECK KEY SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector M37 terminal
62 (B/R) and key switch and key lock solenoid harness connec-
tor M28 terminal 4 (B/R).
3.
Check continuity between BCM harness connector M37 terminal
62 (B/R) and ground.
OK or NG
OK
>> GO TO 6.
NG
>> Repair harness or connector.
6.
CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch and key lock solenoid harness
connector M28 terminal 3 (Y/R) and ground.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Check harness for open or short between key switch
and key lock solenoid and fuse.
Light Warning Chime Does Not Operate
AKS007OI
1.
CHECK WARNING CHIME OPERATION
Check the chime under conditions in exception of light warning chime operation.
Dose warning chime sound?
YES
>> GO TO 2.
NO
DI-107, "All Warnings Are Not Operated"
.
2.
CHECK BCM INPUT SIGNAL
1.
Select “BCM” on CONSULT-II.
2.
With “DATA MONITOR” of “LIGHT WARN ALM”, confirm “TAIL
LAMP SW” when the lighting switch is operated.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Replace lighting switch.
Continuity should exist.
Continuity should not exist.
PKIA2504E
Battery voltage should exist.
PKIA2505E
When lighting switch is in
1st position
: TAIL LAMP SW ON
When lighting switch is OFF
: TAIL LAMP SW OFF
SKIA2081E
DI-112
WARNING CHIME
Revision; 2004 April
2003 Murano
Seat Belt Warning Chime Does Not Operate
AKS004HD
1.
CHECK WARNING CHIME OPERATION
Check the chime under conditions in exceptions of seat belt warning chime operation.
Does warning chime sound?
YES
>> GO TO 2.
NO
>> Go to
DI-107, "All Warnings Are Not Operated"
2.
CHECK BCM INPUT SIGNAL
1.
Select “BCM” on CONSULT-II.
2.
With “DATA MONITOR” of “SEAT BELT ALM”, confirm “SEAT
BELT SW” when the seat belt buckle switch is operated.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> GO TO 3.
3.
CHECK COMBINATION METER INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between combination meter harness connector
M25 terminal 3 (LG) and ground.
OK or NG
OK
>> Replace combination meter.
NG
>> GO TO 4.
4.
CHECK SEAT BELT BUCKLE SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect seat belt buckle switch (driver side) connector.
3.
Check continuity between seat belt buckle switch (driver side)
harness connector B308 terminals 50 and 65.
OK or NG
OK
>> GO TO 5.
NG
>> Replace seat belt buckle switch (driver side).
When seat belt is fastened
: SEAT BELT SW OFF
When seat belt is unfastened
: SEAT BELT SW ON
SKIA3627E
Terminals
Condition
Voltage (V)
(+)
(–)
Connector
Terminal
M25
3 (LG)
Ground
Seat belt is fastened
Approx. 12
Seat belt is unfastened
Approx. 0
PKIA2506E
Terminal
Condition
Continuity
50
65
Seat belt is fastened
No
Seat belt is unfastened
Yes
SKIA5574E
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