Nissan Juke (2016 year). Service Repair Manual — part 596
STC-26
< DTC/CIRCUIT DIAGNOSIS >
C1609 VEHICLE SPEED SIGNAL
C1609 VEHICLE SPEED SIGNAL
DTC Logic
INFOID:0000000012199937
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
DTC REPRODUCTION PROCEDURE
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “EPS” self-diagnosis.
Is DTC “C1609” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000012199938
1.
PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “ABS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC.
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT
Perform “EPS” self-diagnosis.
Is DTC “C1609” detected?
YES
>> EPS control unit is malfunctioning. Replace steering column assembly. Refer to
.
NO
>> Check EPS control unit pin terminals for damage or loose connection with harness connector. If
any item are damaged, repair or replace error-detected parts.
DTC
Display item
Malfunction detected condition
Possible cause
C1609
CAN VHCL SPEED
• Malfunction is detected in vehicle speed signal that
is output from ABS actuator and electric unit (con-
trol unit) via CAN communication.
• ABS actuator and electric unit (control unit) input
signal error is detected.
• Harness or connector
• CAN communication line
• EPS control unit
• ABS malfunction
- Vehicle speed signal error
Revision: November 2015
2016 JUKE
U1000 CAN COMM CIRCUIT
STC-27
< DTC/CIRCUIT DIAGNOSIS >
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U1000 CAN COMM CIRCUIT
Description
INFOID:0000000012199939
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit communicate data but selectively reads required data only.
DTC Logic
INFOID:0000000012199940
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
DTC REPRODUCTION PROCEDURE
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “EPS” self-diagnosis.
Is DTC “U1000” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000012199941
LAN-17, "Trouble Diagnosis Flow Chart"
DTC
Display item
Malfunction detected condition
Possible cause
U1000
CAN COMM CIRCUIT
EPS control unit is not transmitting/re-
ceiving CAN communication signal for 2
seconds or more.
• CAN communication error
• EPS control unit
Revision: November 2015
2016 JUKE
STC-28
< DTC/CIRCUIT DIAGNOSIS >
EPS WARNING LAMP
EPS WARNING LAMP
Component Function Check
INFOID:0000000012199942
1.
CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns
OFF after the engine is started.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Perform trouble diagnosis. Refer to
Diagnosis Procedure
INFOID:0000000012199943
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “EPS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK EPS WARNING LAMP SIGNAL
With CONSULT
1. Turn the ignition switch ON.
CAUTION:
Never start the engine.
2. Select “DATA MONITOR” of “EPS” and select “WARNING LAMP”.
3. Check that the EPS warning lamp is turned ON.
4. Start the engine.
CAUTION:
Never drive the vehicle.
5. Check that the EPS warning lamp is turned OFF.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for combination meter power supply circuit. Refer to
"COMBINATION METER : Diagnosis Procedure"
.
NO
>> EPS control unit is malfunctioning. Replace steering column assembly. Refer to
.
Revision: November 2015
2016 JUKE
EPS WARNING LAMP DOES NOT TURN ON
STC-29
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
EPS WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000012199944
EPS warning lamp does not turn ON when turning ignition switch ON from OFF. (Check the illumination of the
EPS warning lamp.)
Diagnosis Procedure
INFOID:0000000012199945
1.
CHECK EPS WARNING LAMP
Perform the trouble diagnosis of EPS warning lamp. Refer to
Is the inspection result normal?
YES
>> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO
>> Repair or replace the specific malfunctioning part.
Revision: November 2015
2016 JUKE
STC-30
< SYMPTOM DIAGNOSIS >
EPS WARNING LAMP DOES NOT TURN OFF
EPS WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000012199946
EPS warning lamp does not turn OFF several seconds after engine started.
Diagnosis Procedure
INFOID:0000000012199947
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “EPS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK EPS WARNING LAMP
Perform the trouble diagnosis of EPS warning lamp. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the specific malfunctioning part.
3.
CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Perform the trouble diagnosis of EPS control unit power supply and ground. Refer to
Is the inspection result normal?
YES
>> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO
>> Repair or replace the specific malfunctioning part.
Revision: November 2015
2016 JUKE
STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
STC-31
< SYMPTOM DIAGNOSIS >
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STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
Description
INFOID:0000000012199948
Steering wheel turning force is heavy or light.
Diagnosis Procedure
INFOID:0000000012199949
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “EPS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns
OFF after the engine is started.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform trouble diagnosis of EPS warning lamp. Refer to
3.
CHECK EPS CONTROL UNIT SIGNAL (1)
With CONSULT
1. Start the engine.
CAUTION:
Never drive the vehicle.
2. Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” indicate “100%”?
YES
>> GO TO 6.
NO
>> GO TO 4.
4.
CHECK EPS CONTROL UNIT SIGNAL (2)
With CONSULT
Select “BATTERY VOLT” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” indicate “10 V” or more?
YES
>> GO TO 5.
NO
>> Perform trouble diagnosis of EPS control unit power supply and ground. Refer to
.
5.
CHECK EPS CONTROL UNIT SIGNAL (3)
With CONSULT
1. Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS”.
2. Stop the EPS system until the item in “DATA MONITOR” becomes “100%”.
NOTE:
While stopping the EPS system, do not turn steering wheel.
3. Check that the symptom continues.
Dose the symptom continue?
YES
>> GO TO 6.
NO
>> The assist torque decreases because of protection function. This is not malfunction. INSPEC-
TION END
6.
CHECK EPS CONTROL UNIT SIGNAL (4)
With CONSULT
1. Start the engine.
CAUTION:
Revision: November 2015
2016 JUKE
STC-32
< SYMPTOM DIAGNOSIS >
STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
Never drive the vehicle.
2. Turn steering wheel from full left stop to full right stop.
3. Select “TORQUE SENSOR” in “DATA MONITOR” in “EPS”.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace the specific malfunctioning part.
8.
CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check the steering wheel turning force for mechanical malfunction. Refer to
Monitor item
Condition
Display value
TORQUE SENSOR
Steering wheel: Not steer-
ing (There is no steering
force)
Approx. 0 Nm
Steering wheel: Right turn Positive value (Nm)
Steering wheel: Left turn
Negative value (Nm)
Revision: November 2015
2016 JUKE
UNBALANCE STEERING WHEEL TURNING FORCE AND RETURN BETWEEN
RIGHT AND LEFT
STC-33
< SYMPTOM DIAGNOSIS >
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UNBALANCE STEERING WHEEL TURNING FORCE AND RETURN BE-
TWEEN RIGHT AND LEFT
Description
INFOID:0000000012199950
Unbalance steering wheel turning force and return between right and left.
Diagnosis Procedure
INFOID:0000000012199951
1.
CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine is running.
Does the EPS warning lamp turn OFF?
YES
>> GO TO 2.
NO
>> Refer to
.
2.
CHECK WHEEL ALIGNMENT
Check the wheel alignment. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Adjustment of wheel alignment. Refer to
3.
CHECK EPS CONTROL UNIT SIGNAL
With CONSULT
1. Start the engine.
CAUTION:
Never drive the vehicle.
2. Turn steering wheel from full left stop to full right stop.
3. Select “DATA MONITOR” of “EPS” and select “TORQUE SENSOR”.
4. Perform the torque sensor inspection.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace the specific malfunctioning part.
5.
CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check the steering wheel turning force for mechanical malfunction. Refer to
.
Monitor item
Condition
Display value
TORQUE SENSOR
Steering wheel: Not steer-
ing (There is no steering
force)
Approx. 0 Nm
Steering wheel: Right turn Positive value (Nm)
Steering wheel: Left turn
Negative value (Nm)
Revision: November 2015
2016 JUKE
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