Nissan Murano Z50 (2003 year). Manual — part 234
LT-232
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
TYPE 25/TYPE26/TYPE 27/TYPE 28/TYPE 29/TYPE 30/TYPE 31/TYPE 32
System Diagram
●
Type25
●
Type26
●
Type27
SKIA4926E
SKIA4927E
SKIA4928E
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-233
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Revision; 2004 April
2003 Murano
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Type28
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Type29
●
Type30
SKIA4929E
SKIA4930E
SKIA4931E
LT-234
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
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Type31
●
Type32
SKIA4932E
SKIA4933E
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-235
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Revision; 2004 April
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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
LT-236
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
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
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-237
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Revision; 2004 April
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Schematic
AKS004KE
TKWA1148E
LT-238
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
Wiring Diagram — TURN —
AKS004KF
TKWA0766E
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-239
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B
LT
Revision; 2004 April
2003 Murano
TKWA0767E
LT-240
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
TKWA0768E
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-241
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Revision; 2004 April
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Terminals and Reference Value for BCM
AKS004KG
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
Ignition
switch
Operation or condition
7
W/B
Battery power supply
OFF
—
Battery voltage
8
B
Ground
ON
—
Approx. 0V
21
G/Y
Turn signal (right)
ON
Combination switch
Turn right ON
22
G/B
Turn signal (left)
ON
Combination switch
Turn left ON
35
R
Ignition switch (ON)
ON
—
Battery voltage
36
P/B
Ignition switch (ACC)
ACC
—
Battery voltage
40
R/B
Combination switch
Output 2
ON
Lighting, turn, wiper OFF
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, turn, wiper OFF
4.5 V or more
49
G/B
Combination switch
Input 2
50
LG/R
Combination switch
Input3
51
G/Y
Combination switch
Input 4
52
LG/B
Combination switch
Input 5
61
G/R
Hazard switch signal
OFF
Hazard switch
ON
Approx. 0V
OFF
Approx. 5V
70
L
CAN
−
H
—
—
—
71
Y
CAN
−
L
—
—
—
72
O
K
−
LINE
—
—
—
SKIA3009J
SKIA3009J
SKIA1119J
LT-242
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
How to Proceed With Trouble Diagnosis
AKS004KH
1.
Confirm the symptom or customer complaint.
2.
Understand operation description and function description. Refer to
.
3.
Conduct pre-inspection. Refer to
4.
Check symptom and repair or replace the cause of malfunction.
5.
Do turn signal and hazard warning lamps operate normally? If YES: GO TO 6. If NO: GO TO 4.
6.
INSPECTION END
Preliminary Check
AKS004KI
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES
●
Check for blown fuses.
Refer to
LT-238, "Wiring Diagram — TURN —"
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 connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short between BCM and fuse.
Unit
Power source
Fuse and fusible link No.
BCM
Battery
F
Ignition switch ON or START position
1
Ignition switch ACC or ON position
6
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
M35
36 (P/B)
0V
Battery
voltage
Battery
voltage
SKIA3192E
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-243
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Revision; 2004 April
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3.
CHECK GROUND CIRCUIT
Check continuity between BCM and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness ground circuit.
CONSULT-II Function
AKS004KJ
CONSULT-II performs the following functions communicating with BCM.
CONSULT-II BASIC OPERATION
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 ignition switch OFF, connect CONSULT-II and CONSULT-II
CONVERTER to data link connector, then turn ignition switch
ON.
2.
Touch “START (NISSAN BASED VHCL)”.
Terminals
Continuity
Connector
Terminal (Wire color)
Ground
Yes
E118
8 (B)
SKIA3193E
BCM diagnosis
part
Check item, diagnosis mode
Description
FLASHER
DATA MONITOR
Displays BCM input data in real time.
ACTIVE TEST
Operation of electrical loads can be checked by sending driving signal to them.
PBIB1300E
SKIA3098E
LT-244
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
3.
Touch “BCM” on “SELECT SYSTEM” screen.
If “BCM” is not indicated, refer to
4.
Touch “FLASHER” on “SELECT TEST ITEM” screen.
DATA MONITOR
Operation Procedure
1.
Touch “FLASHER” on “SELECT TEST ITEM” screen.
2.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3.
Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR” screen.
4.
Touch “START”.
5.
When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is
selected, all the items will be monitored.
6.
Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
ACTIVE TEST
Operation Procedure
1.
Touch “FLASHER” on “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3.
Touch item to be tested and check operation of the selected item.
4.
During the operation check, touching “BACK” deactivates the operation.
SKIA6338E
SKIA1922E
All signals
Monitors all the signals.
Selection from menu
Selects and monitors the individual signal.
Monitor item
Contents
IGN ON SW
“ON/OFF”
Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch
signal.
HAZARD SW
“ON/OFF”
Displays “Hazard ON (ON)/Hazard OFF (OFF)” status, determined from hazard switch
signal.
TURN SIGNAL R
“ON/OFF”
Displays “Turn right (ON)/Other (OFF)” status, determined from lighting switch signal.
TURN SIGNAL L
“ON/OFF”
Displays “Turn left (ON)/Other (OFF)” status, determined from lighting switch signal.
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-245
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Display Item List
Turn Signal Lamp Does Not Operate
AKS004KK
1.
CHECK BULB
Check bulb standard of each turn signal lamp is correct.
OK or NG
OK
>> GO TO 2.
NG
>> Replace turn signal lamp bulb.
2.
CHECK COMBINATION SWITCH CIRCUIT
Select “BCM” on CONSULT-II. Carry out “BCM C/U” self-diagnosis.
Displayed results of self-diagnosis
Diagnosis system 1 - 5>> Combination switch system malfunction.
Refer to
LT-257, "Combination Switch Inspection
According to Self-Diagnostic Results"
.
No malfunction detected>> GO TO 3.
3.
CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “FLASHER” data monitor, Make
sure “TURN SIGNAL R” and “TURN SIGNAL L” turn ON-OFF linked
with operation of turn signal switch.
OK or NG
OK
>> GO TO 4.
NG
>> Replace lighting switch.
4.
ACTIVE TEST
1.
Select “FLASHER” during active test. Refer to
2.
Make sure “FLASHER RIGHT” and “FLASHER LEFT” operate.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installation of BCM"
.
NG
>> GO TO 5.
Test item
Description
FLASHER (RIGHT)
Turn signal lamp (right) can be operated by any ON-OFF operations.
FLASHER (LEFT)
Turn signal lamp (left) can be operated by any ON-OFF operations.
FLASHER (RIGHT) (CAN)
Turn signal lamp (right) indicator signal can be output by CAN communication line to gauges
by any ON-OFF operations.
FLASHER (LEFT) (CAN)
Turn signal lamp (left) indicator signal can be output by CAN communication line to gauges
by any ON-OFF operations.
LKIA0073E
When lighting switch is
TURN RH
: TURN SIGNAL R ON
When lighting switch is
TURN LH
: TURN SIGNAL L ON
SKIA4499E
LT-246
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision; 2004 April
2003 Murano
5.
CHECK TURN SIGNAL LAMPS SHORT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and all turn signal lamp connectors.
3.
Check continuity (short circuit) between BCM harness connector
M35 terminal 21 (G/Y) (turn RH) and ground.
4.
Check continuity (short circuit) between BCM harness connector
M35 terminal 22 (G/B) (turn LH) and ground.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installation of BCM"
NG
>> Repair harness or connector.
Hazard Warning Lamp Does Not Operate But Turn Signal Lamp Operate
AKS004KL
1.
CHECK BULB
Make sure bulb standard of each turn signal lamp is correct.
OK or NG
OK
>> GO TO 2.
NG
>> Replace bulb.
2.
CHECK HAZARD SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “FLASHER” data monitor to
make sure “HAZARD SW” turns ON-OFF linked with operation of
hazard switch.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> GO TO 3.
3.
CHECK HAZARD SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and combination meter connector.
3.
Check continuity BCM harness connector M37 terminal 61 (G/R)
and combination meter harness connector M25 terminal 9 (G/
R).
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
Continuity should not exist.
Continuity should not exist.
SKIA1943E
When hazard switch is ON
position
: HAZARD SW ON
SKIA4500E
Continuity should exist.
SKIA4520E
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-247
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4.
CHECK BCM
1.
Connect BCM connector.
2.
Check voltage between BCM harness connector M37 terminal
61 (G/R) and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
5.
CHECK HAZARD SWITCH
1.
Disconnect hazard switch connector.
2.
Check continuity hazard switch.
OK or NG
OK
>> GO TO 6.
NG
>> Replace hazard switch.
6.
CHECK HAZARD SWITCH CIRCUIT
1.
Check continuity between hazard switch harness connector
M304 terminal 1 and combination meter harness connector
M302 terminal 34.
2.
Check continuity between hazard switch harness connector
M304 terminal 2 and combination meter harness connector
M302 terminal 33.
OK or NG
OK
>> Replace combination meter.
NG
>> Repair or replace harness.
Turn Signal Indicator Lamp Does Not Operate
AKS004KM
1.
BULB INSPECTION
Inspect bulb of turn signal indicator lamp in combination meter.
OK or NG
OK
>> Replace combination meter.
NG
>> Replace indicator bulb.
Approx. 5V should exist.
SKIA3928E
Terminal
Condition
Continuity
Hazard switch
1
2
Hazard switch is ON
Yes
Hazard switch is OFF
No
SKIA4521E
Continuity should exist.
Continuity should exist.
SKIA4522E
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