Nissan Tiida C11. Instruction — part 1223
C1607 EEPROM
STC-15
< COMPONENT DIAGNOSIS >
[EPS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
C1607 EEPROM
Description
INFOID:0000000001716742
EPS control unit incorporates a memory function.
DTC Logic
INFOID:0000000001716743
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001697727
1.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
1.
Turn ignition switch ON. (Do not start engine.)
2.
Select “SELF-DIAG RESULTS” mode for “EPS” with CONSULT-III.
3.
Touch “ERASE”.
4.
Turn ignition switch OFF, and wait at least 10 seconds.
5.
Start engine.
6.
Perform the self-diagnosis again.
Is the “EEPROM [C1607]” displayed?
YES
>> Replace EPS control unit. Refer to
ST-9, "Removal and Installation"
.
NO
>> INSPECTION END
Special Repair Requirement (Models with ESP)
INFOID:0000000001730966
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the EPS control
unit. Refer to
BRC-90, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Descrip-
.
>> END
DTC
Display item
Malfunction detected condition
Possible cause
C1607
EEPROM
When the memory (EEPROM) system malfunction is
detected in EPS control unit.
• Harness or connector
• EPS control unit
Self-diagnosis results
EEPROM
STC-16
< COMPONENT DIAGNOSIS >
[EPS]
C1608 EPS CONTROL UNIT
C1608 EPS CONTROL UNIT
Description
INFOID:0000000001716745
EPS control unit performs an arithmetical operation on data, such as steering wheel turning force (sensor sig-
nal) from the torque sensor, vehicle speed signal, etc. Then it generates an optimum assist torque to the EPS
motor according to the driving condition.
DTC Logic
INFOID:0000000001716746
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001697728
1.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
1.
Turn ignition switch ON. (Do not start engine.)
2.
Select “SELF-DIAG RESULTS” mode for “EPS” with CONSULT-III.
3.
Touch “ERASE”.
4.
Turn ignition switch OFF, and wait at least 10 seconds.
5.
Start engine.
6.
Perform the self-diagnosis again.
Is the “CONTROL UNIT [C1608]” displayed?
YES
>> Replace EPS control unit. Refer to
ST-9, "Removal and Installation"
NO
>> INSPECTION END
Special Repair Requirement (Models with ESP)
INFOID:0000000001730967
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the EPS control
unit. Refer to
BRC-90, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Descrip-
.
>> END
DTC
Display item
Malfunction detected condition
Possible cause
C1608
CONTROL UNIT
When the internal malfunction is detected in EPS
control unit.
• Harness or connector
• EPS control unit
Self-diagnosis results
CONTROL UNIT
C1609 CAN VHCL SPEED
STC-17
< COMPONENT DIAGNOSIS >
[EPS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
C1609 CAN VHCL SPEED
Description
INFOID:0000000001716755
EPS control unit receives vehicle speed input from the combination meter and ABS actuator and electric unit
(control unit) through the CAN communication lines.
DTC Logic
INFOID:0000000001716756
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001697729
1.
CHECK DTC WITH COMBINATION METER
Perform self-diagnosis with combination meter. Refer to
MWI-22, "CONSULT-III Function (METER/M&A)"
.
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Perform self-diagnosis with ABS actuator and electric unit (control unit). Refer to
(with ABS) or
BRC-105, "CONSULT-III Function (ABS)"
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 3.
3.
CHECK EPS CONTROL UNIT
Check EPS control unit input/output signal. Refer to
STC-22, "EPS Control Unit Input/Output Signal Reference
OK or NG
OK
>> GO TO 4.
NG
>> Check EPS control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
4.
CHECK DTC
Perform the self-diagnosis, after driving the vehicle for a while.
OK or NG
OK
>> INSPECTION END
NG
>> Perform self-diagnosis with ABS actuator and electric unit (control unit) and combination meter.
BRC-25, "CONSULT-III Function (ABS)"
BRC-105, "CONSULT-III Function
MWI-22, "CONSULT-III Function (METER/M&A)"
DTC
Display item
Malfunction detected condition
Possible cause
C1609
CAN VHCL SPEED
When the malfunction is detected in vehicle speed
signal received with CAN communication.
• Harness or connector
• CAN communication line
• EPS control unit
Self-diagnosis results
CAN VHCL SPEED
STC-18
< COMPONENT DIAGNOSIS >
[EPS]
C1609 CAN VHCL SPEED
Special Repair Requirement (Models with ESP)
INFOID:0000000001730968
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the EPS control
unit. Refer to
BRC-90, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Descrip-
.
>> END
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