Nissan Qashqai J11. Manual — part 776
DLN-20
< SYSTEM DESCRIPTION >
[TRANSFER: TY21C]
SYSTEM
WARNING/INDICATOR/CHIME LIST : Warning/Indicator (On Information Display)
INFOID:0000000010755239
LOCK indicator lamp
WCS-5, "Component Parts Location"
DLN-20, "WARNING/INDICATOR/CHIME LIST : Warning/Indica-
Name
Design
Layout/Function
Name
Function
4WD warning
Refer to
DLN-18, "INFORMATION DISPLAY (COMBINATION METER) : 4WD Warn-
4WD torque distribution indicator
DLN-19, "INFORMATION DISPLAY (COMBINATION METER) : 4WD Torque
DIAGNOSIS SYSTEM (4WD CONTROL UNIT)
DLN-21
< SYSTEM DESCRIPTION >
[TRANSFER: TY21C]
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DIAGNOSIS SYSTEM (4WD CONTROL UNIT)
CONSULT Function
INFOID:0000000010755240
APPLICATION ITEMS
CONSULT can display each diagnostic item using the diagnostic test modes as follows.
*: The following diagnosis information is erased by erasing.
• DTC
• Freeze frame data (FFD)
ECU IDENTIFICATION
4WD control unit part number can be read.
SELF DIAGNOSTIC RESULT
.
When “PRSNT” is displayed on self-diagnosis result.
• The system is presently malfunctioning.
When “PAST” is displayed on self-diagnosis result.
• System malfunction in the past is detected, but the system is presently normal.
FREEZE FRAME DATA (FFD)
The following vehicle status is recorded when DTC is detected and is displayed.
Diagnostic test mode
Function
ECU Identification
4WD control unit part number can be read.
Self Diagnostic Result
Self-diagnostic results and freeze frame data can be read and erased quickly.*
Data Monitor
Input/Output data in the 4WD control unit can be read.
Active Test
Diagnostic Test Mode in which CONSULT drives some actuators apart from the 4WD control unit
and also shifts some parameters in a specified range.
Work support
This mode enable a technician to adjust some devices faster and more accurately by following the
indication on the CONSULT.
Monitor item (Unit)
Remarks
ODO/TRIP METER (km/h or mph)
Odometer value via CAN communication line is displayed.
ABS OPERATION SIG (On/Off)
ABS operation status via CAN communication line is displayed.
VDC OPERATION SIG (On/Off)
VDC operation status via CAN communication line is displayed.
TCS OPERATION SIG (On/Off)
TCS operation status via CAN communication line is displayed.
HI COEF FRIC FLG 1 (LOW/HIGH)
Measured friction of load is displayed when vehicle starts.
HI COEF FRIC FLG 2 (LOW/HIGH)
Measured friction of load is displayed when vehicle during deceleration.
IGN VOLT (V)
Ignition voltage supplied to 4WD control unit is displayed.
TARGET SOL CRNT (A)
4WD solenoid target current is displayed.
SOLENOID CRNT (A)
4WD solenoid control current is displayed.
QUASI VEHICLE SPEED (km/h or mph)
Vehicle speed calculated by 4WD control unit is displayed.
FRONT WHEEL SPEED (km/h or mph)
Front wheel speed average calculated by 4WD control unit is displayed.
REAR WHEEL SPEED (km/h or mph)
Rear wheel speed average calculated by 4WD control unit is displayed.
SLCT LVR POSI
Current transmission gear via CAN communication line is displayed.
OPERATION MODE
Control status of 4WD mode is displayed.
FRONT RH WHEEL SPEED (km/h or mph)
Wheel speed calculated by front RH wheel sensor signal is displayed.
FRONT LH WHEEL SPEED (km/h or mph)
Wheel speed calculated by front LH wheel sensor signal is displayed.
REAR RH WHEEL SPEED (km/h or mph)
Wheel speed calculated by rear RH wheel sensor signal is displayed.
REAR LH WHEEL SPEED (km/h or mph)
Wheel speed calculated by rear LH wheel sensor signal is displayed.
DLN-22
< SYSTEM DESCRIPTION >
[TRANSFER: TY21C]
DIAGNOSIS SYSTEM (4WD CONTROL UNIT)
DATA MONITOR
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
ACTIVE TEST
Use this mode to determine and identify the details of a malfunction based on self-diagnostic results or data
monitor. 4WD control unit gives drive signal to actuator with receiving command from CONSULT to check
operation of actuator.
CAUTION:
Never energize continuously for a long time.
WORK SUPPORT
Monitor item (Unit)
Remarks
STOP LAMP SW (On/Off)
Stop lamp switch signal status via CAN communication line is displayed.
ENG SPEED SIG (Run/Stop)
Engine status is displayed.
ETS ACTUATOR (On/Off)
Operating condition of 4WD actuator relay (integrated in 4WD control unit) is displayed.
4WD WARN LAMP (On/Off)
Control status of 4WD warning (on information display) is displayed.
4WD MODE SW (AUTO/LOCK/2WD)
4WD mode switch status is displayed.
4WD MODE MON (AUTO/LOCK/2WD)
Control status of 4WD is displayed.
DIS-TIRE MONI (mm)
Improper size tire installed condition is displayed.
PARKING BRAKE SW SIG (On/Off)
Parking switch signal status via CAN communication line is displayed.
4WD MODE SW (2WD) (On/Off)
4WD mode switch (2WD position) signal is displayed.
4WD MODE SW (AUTO) (On/Off)
4WD mode switch (AUTO position) signal is displayed.
4WD MODE SW (LOCK) (On/Off)
4WD mode switch (LOCK position) signal is displayed.
READY (Off/Running)
This item is not equipped, but displayed.
BATTERY VOLT (V)
Power supply voltage value of 4WD control unit is displayed.
THRTL POS SEN (%)
Throttle opening status is displayed.
ETS SOLENOID (A)
Monitored value of current at 4WD solenoid is displayed.
FR RH SENSOR (km/h or mph)
Wheel speed calculated by front RH wheel sensor signal is displayed.
FR LH SENSOR (km/h or mph)
Wheel speed calculated by front LH wheel sensor signal is displayed.
RR RH SENSOR (km/h or mph)
Wheel speed calculated by rear RH wheel sensor signal is displayed.
RR LH SENSOR (km/h or mph)
Wheel speed calculated by rear LH wheel sensor signal is displayed.
Test item
Condition
Description
SOLENOID
(Detects 4WD solenoid)
• Vehicle stopped
• Engine running
• No DTC detected
Change command current value to 4WD solenoid, and then change driving
mode. (Monitor value is normal if it is within approx.
±
10% of command value.)
• Qu: Increase current value in increments of 0.2 A
• Qd: Decrease current value in increments of 0.2 A
• UP: Increase current value in increments of 0.02 A
• DOWN: Decrease current value in increments of 0.02 A
Item
Usage
UNIT CHARACTERISTICS DATA
Display the unit characteristics of electric controlled coupling written to 4WD control unit.
UNIT CHARACTERISTICS WRITE
Writes the unit characteristics of electric controlled coupling to 4WD control unit.
4WD CONTROL UNIT
DLN-23
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TY21C]
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ECU DIAGNOSIS INFORMATION
4WD CONTROL UNIT
Reference Value
INFOID:0000000010755241
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Monitor item
Condition
Value/Status
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
4WD warning (on information display): Displayed
On
4WD warning (on information display): Not displayed
Off
4WD MODE SW
4WD mode switch: 2WD
2WD
4WD mode switch: AUTO
AUTO
4WD mode switch: LOCK
(State of hold of LOCK position)
LOCK
4WD MODE MON
4WD mode switch: 2WD
2WD
4WD mode switch: AUTO
AUTO
4WD mode switch: AUTO
⇒
LOCK
(When switching to LOCK mode)
Vehicle speed below 10 km/h (6 mph)
AUTO
⇒
LOCK
Vehicle speed above 10 km/h (6 mph)
AUTO
4WD mode switch: LOCK
⇒
AUTO
(When switching to AUTO mode)
Vehicle speed below 10 km/h (6 mph)
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 differ-
ence, wear condition)
4 – 8 mm, 8 – mm
PARKING BRAKE SW
SIG
Parking brake operated
On
Parking brake not operated
Off
4WD MODE SW (2WD)
4WD mode switch: 2WD
On
4WD mode switch: Except 2WD
Off
4WD MODE SW (AUTO)
4WD mode switch: AUTO
On
4WD mode switch: Except AUTO
Off
4WD MODE SW (LOCK)
4WD mode switch: LOCK
(State of hold of LOCK position)
On
4WD mode switch: Except LOCK
Off
READY
Always
Off
BATTERY VOLT
Always
Battery voltage
THRTL POS SEN
When depressing accelerator pedal
(Value rises gradually in response to throttle position.)
0 – 100%
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