Qashqai J11. Driveline — part 9
AWD CONTROL UNIT
DLN-129
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
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ECU DIAGNOSIS INFORMATION
AWD CONTROL UNIT
Reference Value
INFOID:0000000010288306
VALUES ON THE DIAGNOSIS TOOL
Monitor item
Condition
Value/Status
FR RH SENSOR
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condition.
Approximately equal to the indi-
cation on speedometer (Inside
of
±
10%)
FR LH SENSOR
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condition.
Approximately equal to the indi-
cation on speedometer (Inside
of
±
10%)
RR RH SENSOR
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condition.
Approximately equal to the indi-
cation on speedometer (Inside
of
±
10%)
RR LH SENSOR
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condition.
Approximately equal to the indi-
cation on speedometer (Inside
of
±
10%)
BATTERY VOLT
Always
Battery voltage
THRTL POS SEN
When depressing accelerator pedal
(Value rises gradually in response to throttle position.)
0 – 100%
ETS SOLENOID
Engine running
• At idle speed
AWDAWD mode switch: 2WD
Approx. 0.000 A
AWD indicator lamp: ON
Approx. 0.000 A
LOCK indicator lamp: ON
Approx. 0.000 A
Engine running
• When depressing accelerator
pedal
AWD mode switch: 2WD
Approx. 0.000 A
AWD indicator lamp: ON
R9M: Approx. 0.000 – 2.000 A*
LOCK indicator lamp: ON
R9M: Approx. 2.000 A
STOP LAMP SW
Brake pedal: Depressed
On
Brake pedal: Released
Off
ENG SPEED SIG
Engine stopped
(Engine speed: Less than 400 rpm)
Stop
Engine running
(Engine speed: 400 rpm or more)
Run
ETS ACTUATOR
Engine stopped (Ignition switch: ON)
Off
Engine running
On
4WD WARN LAMP
AWD warning lamp: ON
On
AWD warning lamp: OFF
Off
4WD MODE SW
AWD mode switch: 2WD
2WD
AWD mode switch: AUTO
AUTO
AWD mode switch: LOCK
(State of hold of LOCK position)
LOCK
DLN-130
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
AWD CONTROL UNIT
*: The values are changed by throttle opening and engine speed.
TERMINAL LAYOUT
PHYSICAL VALUES
4WD MODE SW
AWD mode switch: 2WD
2WD
AWD mode switch: AUTO
AUTO
AWD mode switch: AUTO
⇒
LOCK
(State of AWD indicator lamp turn ON)
AUTO
⇒
LOCK
AWD mode switch: AUTO
⇒
LOCK
(State of LOCK indicator lamp turn ON)
LOCK
⇒
AUTO
DIS-TIRE MONI
Vehicle running with normal size tire installed
0 – 4 mm
Vehicle running with improper size tire installed (Front/rear tire
size difference, wear condition)
4 – 8 mm, 8 – mm
PARKING BRAKE SW SIG
Parking brake operated
On
Parking brake not operated
Off
Monitor item
Condition
Value/Status
JSDIA0057ZZ
Terminal No.
(Wire color)
Description
Condition
Value (Approx.)
+
-
Signal name
Input/
Output
1
(LG)
Ground
AWD solenoid power sup-
ply
Output
Engine speed: At idle
AWD mode switch: 2WD
0 V
AWD indicator lamp: ON
0 V
LOCK indicator lamp: ON
0 V
Engine speed: 3,000
rpm or more constant
AWD mode switch: 2WD
0 V
AWD indicator lamp: ON
2.5 V*
LOCK indicator lamp: ON
8 V
2
(L)
Ground
AWD solenoid ground
—
Engine speed: At idle
0 V
Engine speed: 3,000 rpm or more constant
0 V
5
(V)
Ground
AWD mode switch (AUTO)
Output
Ignition switch: ON
AWD mode switch: 2WD
Battery voltage
AWD mode switch: AUTO
0 V
AWD mode switch: LOCK
(State of hold of LOCK position)
0 V
7
(P)
Ground
Ignition switch
Input
Ignition switch: ON
Battery voltage
Ignition switch: OFF
0 V
8
(L)
—
CAN-H
Input/
Output
—
—
9
(G)
Ground
Power supply (AWD sole-
noid)
Input
Ignition switch: ON
Battery voltage
Ignition switch: OFF
Battery voltage
AWD CONTROL UNIT
DLN-131
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
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*: The values are changed by throttle opening and engine speed.
CAUTION:
When using circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.
Wiring Diagram - AWD SYSTEM -
INFOID:0000000010288307
FOR RUSSIA
10
(B)
Ground
Ground
—
Always
0 V
11
(B)
Ground
Ground
—
Always
0 V
12
(BR)
Ground
AWD mode switch (2WD)
Output
Ignition switch: ON
AWD mode switch: 2WD
0 V
AWD mode switch: AUTO
Battery voltage
AWD mode switch: LOCK
(State of hold of LOCK position)
Battery voltage
14
(Y)
Ground
AWD mode switch (LOCK)
Output
Ignition switch: ON
AWD mode switch: 2WD
Battery voltage
AWD mode switch: AUTO
Battery voltage
AWD mode switch: LOCK
(State of hold of LOCK position)
0 V
16
(P)
—
CAN-L
Input/
Output
—
—
Terminal No.
(Wire color)
Description
Condition
Value (Approx.)
+
-
Signal name
Input/
Output
DLN-132
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
AWD CONTROL UNIT
JRDWC2166GB
AWD CONTROL UNIT
DLN-133
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
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JRDWC2213GB
DLN-134
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
AWD CONTROL UNIT
JRDWC2214GB
AWD CONTROL UNIT
DLN-135
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
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EXCEPT FOR RUSSIA
JRDWC2215GB
DLN-136
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
AWD CONTROL UNIT
JRDWC2167GB
AWD CONTROL UNIT
DLN-137
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
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DLN
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JRDWC2216GB
DLN-138
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
AWD CONTROL UNIT
JRDWC2217GB
AWD CONTROL UNIT
DLN-139
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
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JRDWC2218GB
DLN-140
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
AWD CONTROL UNIT
Fail Safe
INFOID:0000000010288308
AWD system
• If any malfunction occurs in AWD electrical system, and control unit detects the malfunction, AWD warning
lamp on combination meter turns ON to indicate system malfunction.
JRDWC2219GB
AWD CONTROL UNIT
DLN-141
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
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• When AWD warning lamp is ON, vehicle changes to front-wheel drive or shifting driving force-AWD (rear
wheels still have some driving torque).
• AWD system activates its protection function (shuts down AWD system temporarily) if AWD system detects
high load continuously or the front wheel tire size differs from the rear tire size. (AWD system is automati-
cally restored if AWD system no longer detects any overload or the tire size difference is eliminated.)
*1: Quick blinking: 2 times/second (blinking for approx. 1 minute and then turned OFF)
*2: Slow blinking: 1 time/2 seconds (Continuing to blink until ignition switch is turned OFF)
DTC Inspection Priority Chart
INFOID:0000000010288309
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000010288310
Mode
Warning
lamp
DTC
Detected area (Error area)
Error area and root cause
Protection
function
Blinking
*1
—
AWD control unit
Transfer assembly in protection mode
(Internal temperature rise of electronic controlled coupling)
Blinking
*2
—
AWD control unit
Malfunction in each tire or different tire diameter
Fail-safe
ON
C1201
AWD control unit
Internal malfunction of AWD control unit
C1203
ABS actuator and electric
unit (control unit)
ABS malfunction
• Vehicle speed signal error
• Stop lamp switch signal (brake signal) error
C1204
AWD solenoid
Internal malfunction of electronic controlled coupling
C1205
AWD control unit
Internal malfunction of AWD control unit
C1209
AWD mode switch
Malfunction of AWD mode switch or AWD mode switch circuit
C1210
ECM
Malfunction of engine control system
• Accelerator pedal position signal error
• Engine speed signal error
P1804
AWD CONTROL UNIT
Internal malfunction of AWD control module
P181F
AWD CONTROL UNIT
Writing unit characteristics is incomplete
U1000
CAN communication line
• CAN communication error
• Malfunction of AWD control unit
U1010
AWD control unit
Malfunction of AWD control unit
Priority
Detected items (DTC)
1
• U1000 CAN COMM CIRCUIT
• U1010 CONTROL UNIT (CAN)
2
• C1201 CONTROLLER FAILURE
• C1205 AWD ACTUATOR RLY
3
• C1203 ABS SYSTEM
• C1210 ENGINE SIGNAL 1
4
• C1204 AWD SOLENOID
• C1209 MODE SW
5
• P1804 CONTROL UNIT 3
• P181F INCOMP CALIBRATION
DTC
Items
(CONSULT screen terms)
Reference
C1201
CONTROLLER FAILURE
C1203
ABS SYSTEM
C1204
AWD SOLENOID
DLN-142
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY30A]
AWD CONTROL UNIT
C1209
MODE SW
C1210
ENGINE SIGNAL 1
P1804
CONTROL UNIT 3
P181F
INCOMP CALIBRATION
U1000
CAN COMM CIRCUIT
U1010
CONTROL UNIT (CAN)
DTC
Items
(CONSULT screen terms)
Reference
AWD SYSTEM SYMPTOMS
DLN-143
< SYMPTOM DIAGNOSIS >
[TRANSFER: TY30A]
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SYMPTOM DIAGNOSIS
AWD SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000010288311
If AWD warning lamp turns ON, perform self-diagnosis.
NOTE:
Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.
Symptom
Condition
Check item
Reference
AWD warning lamp does not turn ON when
the ignition switch is turned to ON.
(AWD warning lamp check)
Ignition switch: ON
Power supply and ground for AWD con-
trol unit
CAN communication line
AWD control unit
Combination meter
AWD warning lamp does not turn OFF sev-
eral seconds after engine started.
Engine running
AWD control unit self-diagnosis
AWD warning lamp
Power supply and ground for AWD con-
trol unit
Heavy tight-corner braking symptom occurs
when the vehicle is driven and the steering
wheel is turned fully to either side after the
engine is started. (See NOTE.)
• While driving
• Steering wheel is
turned fully to either
sides
ECM self-diagnosis
AWD control unit self-diagnosis
AWD solenoid
Mechanical malfunction of electric con-
trolled coupling (clutch sticking etc.)
Vehicle does not enter AWD mode even
though AWD warning lamp turned to OFF.
While driving
CAN communication line
AWD solenoid
Mechanical malfunction of electric con-
trolled coupling (Mechanical engage-
ment of clutch is not possible.)
While driving, AWD warning lamp blinks
quickly. (When blinking in approx. 1 minute
and then turning OFF.)
Quick blinking: 2 times/second
While driving
Protection function is activated due to
heavy load to electric controlled cou-
pling. (AWD system is not malfunction-
ing. Also, optional distribution of torque
sometimes becomes rigid before lamp
blinks quickly, but it is not malfunction.)
While driving, AWD warning lamp blinks
slowly. (When continuing to blink until turn-
ing ignition switch OFF)
Slow blinking: 1 time/2 seconds
• While driving
• Vehicle speed: 20 km/h
(12 MPH) or more
Tire size is different between front and
rear of vehicle.
DLN-144
< SYMPTOM DIAGNOSIS >
[TRANSFER: TY30A]
AWD WARNING LAMP DOES NOT TURN ON
AWD WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000010288312
AWD warning lamp does not turn ON when the ignition switch is turned to ON.
Diagnosis Procedure
INFOID:0000000010288313
1.
CHECK AWD WARNING LAMP
Perform the trouble diagnosis for AWD warning lamp. Refer to
DLN-126, "Diagnosis Procedure"
Is the inspection result normal?
YES
>> Check each harness connector pin terminal for malfunction or disconnection.
NO
>> Repair or replace the malfunctioning part.
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