Infiniti FX35, FX50 (S51). Manual — part 1783
C1924 STEERING ANGLE SENSOR
STC-73
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
C1924 STEERING ANGLE SENSOR
Description
INFOID:0000000005549715
Steering angle sensor signal is transmitted from steering angle sensor to RAS control unit via CAN communi-
cation.
DTC Logic
INFOID:0000000005549716
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Turn the ignition switch from OFF to ON.
2.
Perform “4WAS(MAIN)/RAS/HICAS” self-diagnosis.
Without CONSULT-III
1.
Start the engine.
2.
Perform the self-diagnosis. Refer to
STC-38, "Diagnosis Description"
.
Is DTC “C1924” or “RAS warning lamp flickering pattern: 22” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005549717
1.
CHECK DRIVING
Drive for a short time.
Does the vehicle drive with front wheels in the straight-ahead position?
YES
>> GO TO 2.
NO
>> Adjust the wheel alignment. Refer to
.
2.
PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
With CONSULT-III
Perform “ABS” self-diagnosis.
Is malfunction detected?
YES
>> Check malfunctioning circuit.
NO
>> GO TO 3.
3.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform “4WAS(MAIN)/RAS/HICAS” self-diagnosis.
Is DTC “U1000” or “U1010” detected?
YES
>> Check malfunctioning circuit.
NO
>> GO TO 4.
4.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
1.
Turn the ignition switch from OFF to ON.
2.
Perform “4WAS(MAIN)/RAS/HICAS” self-diagnosis.
DTC
Display items
Malfunction detected condition
Possible cause
C1924
STEERING ANGLE SEN
[NO NEUT STATE]
Driving continuously at 10 km (6 MPH) or more while
the steering angle sensor value is not L10
°
- R10
°
.
• Steering angle sensor
• CAN communication
line
• RAS control unit
STC-74
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
C1924 STEERING ANGLE SENSOR
Without CONSULT-III
1.
Start the engine.
2.
Perform the self-diagnosis. Refer to
STC-38, "Diagnosis Description"
.
Is DTC “C1924” or “RAS warning lamp flickering pattern: 22” detected?
YES
>> Replace RAS control unit. Refer to
STC-109, "Removal and Installation"
.
NO
>> GO TO 5.
5.
CHECK INFORMATION
With CONSULT-III
1.
Select “DATA MONITOR” of “4WAS(MAIN)/RAS/HICAS”.
2.
Check the “DATA MONITOR” value of each DTC detected with the self-diagnosis function. Refer to
.
Is each data standard?
YES
>> Check pin terminal and connection of each harness connector for non-standard conditions.
NO
>> Replace RAS control unit. Refer to
STC-109, "Removal and Installation"
.
Special Repair Requirement
INFOID:0000000005549718
BEFORE REPLACING RAS CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Never erase the memory (history) of self-diagnosis results when replacing RAS control unit after
diagnosis.
• Erase the memory of the self-diagnosis results (record) after printing out or recording all the val-
ues of “DATA MONITOR”.
C1926 STEERING ANGLE SENSOR
STC-75
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
C1926 STEERING ANGLE SENSOR
Description
INFOID:0000000005549719
Steering angle sensor signal is transmitted from steering angle sensor to RAS control unit via CAN communi-
cation.
DTC Logic
INFOID:0000000005549720
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Turn the steering wheel leftward slowly. Steer until the turning stops.
3.
Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4.
Perform “4WAS(MAIN)/RAS/HICAS” self-diagnosis.
Without CONSULT-III
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Turn the steering wheel leftward slowly. Steer until the turning stops.
3.
Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4.
Perform the self-diagnosis. Refer to
STC-38, "Diagnosis Description"
.
Is DTC “C1926” or “RAS warning lamp flickering pattern: 22” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005549721
1.
PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform “ABS” self-diagnosis.
Is any error system detected?
YES
>> Check the error system.
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform “4WAS(MAIN)/RAS/HICAS” self-diagnosis
Is DTC “U1000” or “U1010” detected?
YES
>> Check the error system.
NO
>> GO TO 3.
3.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
DTC
Display items
Malfunction detected condition
Possible cause
C1926
STEERING ANGLE SEN
Malfunction is detected in steering angle sensor signal
that is output from steering angle sensor via CAN com-
munication.
(When steering angle sensor signal is improper, the
steering angle sensor itself detects the malfunction)
• Steering angle sensor
• CAN communication
line
• RAS control unit
STC-76
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
C1926 STEERING ANGLE SENSOR
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Turn the steering wheel leftward slowly. Steer until the turning stops.
3.
Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4.
Perform “4WAS(MAIN)/RAS/HICAS” self-diagnosis.
Without CONSULT-III
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Turn the steering wheel leftward slowly. Steer until the turning stops.
3.
Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4.
Perform the self-diagnosis. Refer to
STC-38, "Diagnosis Description"
.
Is DTC “C1926” or “RAS warning lamp flickering pattern: 22” detected?
YES
>> Replace RAS control unit. Refer to
STC-109, "Removal and Installation"
.
NO
>> GO TO 4.
4.
INFORMATION CHECK
With CONSULT-III
1.
Select “DATA MONITOR” of “4WAS(MAIN)/RAS/HICAS”.
2.
Check the “DATA MONITOR” value of each DTC detected with the self-diagnosis function. Refer to
.
Is each data the standard value?
YES
>> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO
>> Replace RAS control unit. Refer to
STC-109, "Removal and Installation"
.
Special Repair Requirement
INFOID:0000000005549722
BEFORE REPLACING RAS CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Never erase the memory (history) of self-diagnosis results when replacing RAS control unit after
diagnosis.
• Erase the memory of the self-diagnosis results (record) after printing out or recording all the val-
ues of “DATA MONITOR”.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст