Nissan Qashqai J11. Manual — part 802
DLN-124
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY30A]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Description
INFOID:0000000010288298
Supplies power to AWD control unit.
Diagnosis Procedure
INFOID:0000000010288299
1.
CHECK AWD CONTROL UNIT POWER SUPPLY
1.
Turn the ignition switch OFF.
2.
Disconnect AWD control unit harness connector.
3.
Check the voltage between AWD control unit harness connector and ground.
4.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
5.
Check the voltage between AWD control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>>
Check the following. If any items are damaged, repair or replace damaged parts.
• 10A fuse (#4) open
- Short among 10A fuse (#4) connector, AWD control unit harness connector No. 7 terminal and
the ground
- Open between the ignition switch and AWD control unit harness connector No. 7 terminal
• Ignition switch. Refer to
DLN-124, "Diagnosis Procedure"
.
2.
CHECK AWD SOLENOID POWER SUPPLY
1.
Turn the ignition switch OFF.
2.
Check the voltage between AWD control unit harness connector and ground.
3.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
4.
Check the voltage between AWD control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>>
Check the following. If any items are damaged, repair or replace damaged parts.
• 10A fuse (#28) open
- Short among 10A fuse (#28) connector, AWD control unit harness connector No. 9 terminal and
the ground
AWD control unit
Ground
Voltage (Approx.)
Connector
Terminal
B1
7
Ground
0 V
AWD control unit
Ground
Voltage (Approx.)
Connector
Terminal
B1
7
Ground
Battery voltage
AWD control unit
Ground
Voltage (Approx.)
Connector
Terminal
B1
9
Ground
Battery voltage
AWD control unit
Ground
Voltage (Approx.)
Connector
Terminal
B1
9
Ground
Battery voltage
POWER SUPPLY AND GROUND CIRCUIT
DLN-125
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY30A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
- Open between the battery and AWD control unit harness connector No. 9 terminal
3.
CHECK AWD SOLENOID VALVE GROUND
1.
Turn the ignition switch OFF.
2.
Check the continuity between AWD control unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace damaged parts.
AWD control unit
Ground
Continuity
Connector
Terminal
B1
10
Ground
Existed
11
DLN-126
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY30A]
AWD WARNING LAMP
AWD WARNING LAMP
Description
INFOID:0000000010288300
• Turns ON when there is a malfunction in AWD system. It indicates that fail-safe mode is engaged and vehi-
cle change to front-wheel drive or shifting driving force-AWD (rear wheels still have some driving torque).
• Also turns ON when ignition switch is turned ON, for 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.
Diagnosis Procedure
INFOID:0000000010288301
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Perform the trouble diagnosis for power supply and ground circuit. Refer to
DLN-124, "Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning part.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT
Perform AWD control unit self-diagnosis.
Is DTC “U1000” detected?
YES
>> CAN specification chart. Refer to
LAN-24, "Trouble Diagnosis Flow Chart"
NO
>> GO TO 3.
3.
CHECK AWD WARNING LAMP SIGNAL
With CONSULT
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Check “AWD WARN LAMP” of AWD control unit CONSULT “DATA MONITOR”.
Does the item on “DATA MONITOR” indicate “On”?
YES
>> GO TO 4.
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 malfunctioning part.
Condition
AWD warning lamp
Lamp check
Turns ON when ignition switch is turned ON. Turns OFF after
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 2WD mode.)
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 MODE INDICATOR LAMP (AWD)
DLN-127
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY30A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
AWD MODE INDICATOR LAMP (AWD)
Description
INFOID:0000000010288302
The following is the indications of indicator lamp after engine start.
AWD INDICATOR LAMP AND LOCK INDICATOR LAMP
Diagnosis Procedure
INFOID:0000000010288303
1.
CHECK AWD WARNING LAMP
Start engine and drive at 30 km/h (19 MPH) or more for approx. 1 minute.
Does AWD warning lamp turn ON?
YES
>> Go to
DLN-126, "Diagnosis Procedure"
.
NO
>> GO TO 2.
2.
CHECK AWD MODE SWITCH
Perform the trouble diagnosis for AWD mode switch. Refer to
DLN-116, "Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning part.
3.
CHECK AWD INDICATOR LAMP SIGNAL
With CONSULT
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Change AWD mode switch in “AUTO” from “2WD”.
3.
Check “AWD MODE MON” of AWD control unit CONSULT “DATA MONITOR”.
Does the item on “DATA MONITOR” indicate “AUTO”?
YES
>> GO TO 4.
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 malfunctioning part.
Condition
AWD indicator lamp
LOCK indicator lamp
2WD mode
OFF
OFF
AUTO mode
ON
OFF
LOCK mode
ON
ON
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст