Infiniti G35 (V35) Sedan. Manual — part 1300
STC-90
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C1902, C1903, C1904, C1910, C1913 4WAS REAR MOTOR OUTPUT
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the harnesses and connectors.
2.
CHECK 4WAS REAR MOTOR
Check the continuity between 4WAS rear motor connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace 4WAS rear actuator. Refer to
.
3.
PERFORM ACTIVE TEST (4WAS MAIN CONTROL UNIT)
With CONSULT-III
1.
Connect 4WAS main control unit harness connector.
2.
Connect 4WAS rear motor harness connector.
3.
Perform “SELF DIAGNOSTIC MODE” item on “ACTIVE TEST” of 4WAS main control unit.
CAUTION:
Perform the active test while vehicle is stopped.
4.
Check “MOTOR VOLTAGE”, “MOTOR CURRENT” and “MTR CRNT OPE” while performing the active
test.
Is “MONITOR” the standard value?
YES
>> GO TO 4.
NO
>> Replace 4WAS rear actuator. Refer to
.
4.
PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT-III
Perform 4WAS main control unit self-diagnosis.
Is any DTC “C1902”, “C1903”, “C1904”, “C1910” or “C1913” detected?
YES
>> Replace 4WAS main control unit. Refer to
NO
>> GO TO 5.
5.
CHECK INFORMATION
With CONSULT-III
Check the “DATA MONITOR” value of each DTC detected with the self-diagnosis function. Refer to
.
Is each data the standard value?
YES
>> Check each harness connector pin terminal for disconnection.
NO
>> Replace 4WAS main control unit. Refer to
Component Inspection (4WAS Rear Motor)
INFOID:0000000000958833
1.
CHECK 4WAS REAR MOTOR
1.
Turn the ignition switch OFF.
2.
Disconnect 4WAS main control unit harness connector and 4WAS rear motor harness connector.
3.
Check the continuity between 4WAS rear motor connector.
4WAS rear motor
Continuity
Connector
Terminal
B36
1 – 2
Existed
Monitor item
Condition
Display value
MOTOR VOLTAGE
Ignition switch: ON
Battery voltage
MOTOR CURRENT
4WAS rear motor running
0 – 20 A
MTR CRNT OPE
4WAS rear actuator neutral condition
and vehicle straight-ahead position
Approx.
−
2 – 2 A
4WAS rear motor running
Approx.
−
20 – 20 A
C1902, C1903, C1904, C1910, C1913 4WAS REAR MOTOR OUTPUT
STC-91
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace 4WAS rear actuator. Refer to
.
Special Repair Requirement
INFOID:0000000000958834
BEFORE REPLACING 4WAS MAIN CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Replace it without erasing the memory (history) of self-diagnosis results when replacing 4WAS
main 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” when erasing the memory of the self-diagnosis results (record).
4WAS rear motor
Continuity
Connector
Terminal
B36
1 – 2
Existed
STC-92
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C1905, C1908, C1922, C1925, C1928 4WAS MAIN CONTROL UNIT
C1905, C1908, C1922, C1925, C1928 4WAS MAIN CONTROL UNIT
Description
INFOID:0000000000958835
• 4WAS rear actuator and the power steering solenoid valve is controlled by each sensor signal.
• The fail-safe functions stops the rear wheel angle (the front wheel is the steering wheel cutting angle) when
the electric components and the mechanical components are malfunctioning.
• The protection function mode stops 4WAS system intermittently when the input signal does not input to
4WAS main control unit.
• 4WAS front control unit and 4WAS main control unit control the best control of 4WAS system by 4WAS com-
munication line.
DTC Logic
INFOID:0000000000958836
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
RECHECK DTC
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform 4WAS main control unit self-diagnosis.
Is any DTC “C1905”, “C1908”, “C1922”, “C1925” or “C1928” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000958837
1.
PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT-III
Perform 4WAS main control unit self-diagnosis.
Is any DTC “C1905”, “C1908”, “C1922”, “C1925” or “C1928” detected?
YES
>> Replace 4WAS main control unit. Refer to
NO
>> GO TO 2.
2.
CHECK INFORMATION
With CONSULT-III
Check the “DATA MONITOR” value of each DTC detected with the self-diagnosis function. Refer to
.
Is each data the standard value?
YES
>> Check each harness connector pin terminal for disconnection.
NO
>> Replace 4WAS main control unit. Refer to
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
C1905
CONTROL UNIT
[ABNORMAL3]
An error is detected inside 4WAS main control unit.
4WAS main control unit
error
C1908
CONTROL UNIT
[ABNORMAL7]
An error is detected inside 4WAS main control unit.
4WAS main control unit
error
C1922
CONTROL UNIT
[ABNORMAL8]
An error is detected inside 4WAS main control unit.
4WAS main control unit
error
C1925
AD CONVERTER
An error is detected inside 4WAS main control unit.
4WAS main control unit
error
C1928
CONTROL UNIT
[ABNORMAL9]
An error is detected inside 4WAS main control unit.
4WAS main control unit
error
C1905, C1908, C1922, C1925, C1928 4WAS MAIN CONTROL UNIT
STC-93
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
Special Repair Requirement
INFOID:0000000000958838
BEFORE REPLACING 4WAS MAIN CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Replace it without erasing the memory (history) of self-diagnosis results when replacing 4WAS
main 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” when erasing the memory of the self-diagnosis results (record).
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст