Nissan Juke F15. Manual — part 1192
STC-24
< DTC/CIRCUIT DIAGNOSIS >
C1606 EPS MOTOR
C1606 EPS MOTOR
DTC Logic
INFOID:0000000012199933
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 “C1606” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000012199934
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1. Erase self-diagnostic results for “EPS”.
2. Turn the ignition switch OFF, and then wait 10 seconds and more.
3. Perform self-diagnosis for “EPS”.
Is DTC “C1606” detected?
YES
>> EPS motor 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 items are damaged, repair or replace error-detected parts.
DTC
Display item
Malfunction detected condition
Possible cause
C1606
EPS MOTOR
When the motor driver malfunction of EPS control
unit or EPS motor malfunction is detected.
• Harness or connector
• EPS motor
• EPS control unit
C1607, C1608 EPS CONTROL UNIT
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< DTC/CIRCUIT DIAGNOSIS >
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C1607, C1608 EPS CONTROL UNIT
DTC Logic
INFOID:0000000012199935
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 “C1607” or “C1608” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000012199936
1.
CHECK TERMINALS AND HARNESS CONECTORS
Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are
damaged, repair or replace error-detected parts.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT
1. Erase self-diagnostic results for “EPS”.
2. Turn the ignition switch OFF, and then wait 10 seconds and more.
3. Perform self-diagnosis for “EPS”.
Is DTC “C1607” or “C1608” detected?
YES
>> EPS control unit is malfunctioning. Replace steering column assembly. Refer to
.
NO
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
.
DTC
Display item
Malfunction detected condition
Possible cause
C1607
EEPROM
When the memory (EEPROM) system malfunction is
detected in EPS control unit.
EPS control unit
C1608
CONTROL UNIT
When the internal malfunction is detected in EPS
control unit.
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< 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
U1000 CAN COMM CIRCUIT
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< 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
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