Nissan Murano Z51. Instruction — part 472
DLN-22
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY20A]
AWD LOCK SWITCH
AWD LOCK SWITCH
Description
INFOID:0000000005514173
Able to select AUTO or LOCK mode.
Component Function Check
INFOID:0000000005514174
1.
CHECK AWD LOCK SWITCH OPERATION
Check that AWD LOCK indicator lamp is in a condition as shown in the following table.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005514175
1.
CHECK AWD LOCK SWITCH
Check AWD lock switch. Refer to
DLN-23, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace AWD lock switch.
2.
CHECK AWD LOCK SWITCH CIRCUIT (1)
Check the continuity between AWD lock switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK AWD LOCK SWITCH CIRCUIT (2)
1.
Disconnect AWD control unit harness connector.
2.
Check the continuity between AWD control unit harness connector and AWD lock switch harness connec-
tor.
3.
Check the continuity between AWD control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
Condition
AWD LOCK indicator lamp
When the switch is pressed in AWD
mode.
ON
When the switch is pressed in 2WD
mode.
OFF
AWD lock switch
—
Continuity
Connector
Terminal
M8
3
Ground
Existed
AWD control unit
AWD lock switch
Continuity
Connector
Terminal
Connector
Terminal
M69
14
M8
1
Existed
AWD control unit
—
Continuity
Connector
Terminal
M69
14
Ground
Not existed
AWD LOCK SWITCH
DLN-23
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY20A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
NO
>> Repair or replace error-detected parts.
4.
CHECK AWD CONTROL UNIT OUTPUT SIGNAL
1.
Connect AWD control unit harness connector.
2.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
3.
Check the voltage between AWD lock switch harness connector and ground.
Is the inspection result normal?
YES
>> Check each harness connector pin terminal for disconnection.
NO
>> Replace AWD control unit. Refer to
Component Inspection
INFOID:0000000005514176
1.
CHECK AWD LOCK SWITCH
1.
Turn the ignition switch OFF.
2.
Remove AWD lock switch.
3.
Check the continuity between AWD lock switch connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AWD lock switch.
AWD lock switch
—
Voltage
Connector
Terminal
M8
1
Ground
Battery voltage
AWD lock switch
Condition
Continuity
Terminal
1
3
When releasing AWD lock switch.
Not existed
When AWD lock switch is hold pressed.
Existed
DLN-24
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY20A]
AWD WARNING LAMP
AWD WARNING LAMP
Description
INFOID:0000000005514177
• Turns ON when there is a malfunction in AWD system. AWD warning lamp indicates the vehicle is in fail-safe
mode and shifting to front-wheel drive or 4-wheel drive (rear-wheels still have some driving torque).
• Also turns ON when ignition switch is turned ON, for the purpose of lamp check. Turns OFF after the engine
starts if system is normal.
AWD WARNING LAMP INDICATION
CAUTION:
• AWD warning lamp also turns ON due to data reception error, CAN communication error etc.
Component Function Check
INFOID:0000000005514178
1.
CHECK AWD WARNING LAMP FUNCTION
1.
Turn ignition switch ON.
2.
Check that AWD warning lamp lights up.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005514179
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Perform the trouble diagnosis for power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the error-detected parts.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is any detected?
YES
>> Check the DTC.
NO
>> GO TO 3.
3.
CHECK AWD WARNING LAMP SIGNAL
With CONSULT-III
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Check “4WD WARN LAMP” of CONSULT-III “DATA MONITOR” for “ALL MODE AWD/4WD”.
Does the item on “DATA MONITOR” indicate “On”?
YES
>> GO TO 4.
Condition
AWD warning lamp
Lamp check
Turns ON when ignition switch is turned ON. Turns OFF after
the engine start.
AWD system malfunction
ON
Protection function is activated due to heavy load to electric controlled
coupling. (AWD system is not malfunctioning and AWD system chang-
es to front wheel drive.)
Quick blinking: 2 times/second
(Blinking in approx. 1 minute and then turning OFF)
Large difference in diameter of front/rear tires
Slow blinking: 1 time/2 seconds
(Continuing to blink until turning ignition switch OFF)
Other than above (system normal)
OFF
AWD WARNING LAMP
DLN-25
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY20A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
NO
>> Replace AWD control unit. Refer to
4.
CHECK COMBINATION METER POWER SUPPLY CIRCUIT
Perform the trouble diagnosis for combination meter power supply circuit. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace the error-detected parts.
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