Infiniti G35 (V35) Sedan. Manual — part 1284
STC-26
< BASIC INSPECTION >
[WITH 4WAS]
DIAGNOSIS AND REPAIR WORKFLOW
5.
Check the error system detected from the self-diagnosis.
CAUTION:
Check the “DATA MONITOR” value of each DTC detected with the self-diagnosis function.
6.
Erase 4WAS main control unit self-diagnosis memory.
CAUTION:
• Never erase the self-diagnosis result (record) history when replacing 4WAS main control unit.
• 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).
>> GO TO 6.
6.
CHECK TERMINAL
Check each harness connector pin terminal for disconnection.
>> GO TO 7.
7.
CHECK SYMPTOM REPRODUCTION
With CONSULT-III
Perform DTC reproduction procedure for the error system.
Is any error system detected?
YES
>> GO TO 2.
NO
>> GO TO 8.
8.
PERFORM SYMPTOM DIAGNOSIS
With CONSULT-III
Perform the symptom diagnosis for each system.
Is any error detected?
YES
>> GO TO 2.
NO
>> GO TO 9.
9.
FINAL CHECK
With CONSULT-III
Check input/output signal standard of 4WAS front control unit and 4WAS main control unit.
Is the input/output the standard value?
YES
>> INSPECTION END
NO
>> GO TO 2.
INSPECTION AND ADJUSTMENT
STC-27
< BASIC INSPECTION >
[WITH 4WAS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000000958728
• Perform 4WAS front actuator adjustment after replacing 4WAS front control unit.
• Perform 4WAS front actuator adjustment when performing any service below.
- 4WAS front actuator and the steering components (included adjusting wheel alignment) removal. Refer to
STC-27, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement
(Pattern 1)"
CAUTION:
• Check the following items before the removal.
- Turn 4WAS warning lamp OFF after the engine starts.
- Perform the self-diagnosis of each control unit of 4WAS system (4WAS front control unit and
4WAS main control unit). Check that 4WAS system controls properly.
- 4WAS front actuator and the steering components (included adjusting wheel alignment) installation. Refer to
STC-28, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement
(Pattern 2)"
- 4WAS front control unit and the steering angle sensor replacement. Refer to
ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 3)"
.
- When driving while misaligning the steering wheel position (center) after installing 4WAS front actuator.
STC-30, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair
4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT
4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Description
INFOID:0000000000958729
• Perform 4WAS front actuator adjustment when performing any service below.
- 4WAS front actuator and the steering components (included adjusting wheel alignment) removal. Refer to
STC-27, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement
(Pattern 1)"
CAUTION:
• Check the following items before the removal.
- Turn 4WAS warning lamp OFF after the engine starts.
- Perform the self-diagnosis of each control unit of 4WAS system (4WAS front control unit and
4WAS main control unit). Check that 4WAS system controls properly.
- 4WAS front actuator and the steering components (included adjusting wheel alignment) installation. Refer to
STC-28, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement
(Pattern 2)"
- 4WAS front control unit and the steering angle sensor replacement. Refer to
ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 3)"
.
- When driving while misaligning the steering wheel position (center) after installing 4WAS front actuator.
STC-30, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair
4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair
Requirement (Pattern 1)
INFOID:0000000000958730
1.
4WAS FRONT ACTUATOR ADJUSTMENT
With CONSULT-III
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Turn the steering wheel to adjust “ACTR ROTA ANG” of the 4WAS front control unit “DATA MONITOR” so
that it falls within the range shown below:
3.
Turn the ignition switch OFF.
ACTR ROTA ANG
:
−
3.5 – 3.5 deg
STC-28
< BASIC INSPECTION >
[WITH 4WAS]
INSPECTION AND ADJUSTMENT
CAUTION:
Never touch the steering wheel after turning ignition switch OFF.
>> END
4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair
Requirement (Pattern 2)
INFOID:0000000000958731
1.
4WAS FRONT ACTUATOR ADJUSTMENT
With CONSULT-III
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Steer to 30
°
leftward slowly. Steer to 30
°
rightward and return the steering wheel to the straight-ahead
position.
3.
Perform the steering angle sensor neutral position adjustment. Refer to
STEERING ANGLE SENSOR NEUTRAL POSITION : Special Repair Requirement"
4.
Turn the ignition switch OFF.
>> GO TO 2.
2.
PERFORM ACTIVE TEST (SLOW MODE)
With CONSULT-III
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Select “SLOW MODE” item on “ACTIVE TEST” of 4WAS front control unit.
3.
Perform “MODE START” of “ACTIVE TEST”.
4.
Steer the steering wheel leftward slowly until the turning stops.
5.
Steer the steering wheel rightward slowly until the turning stops.
Is “OK” indicated on both right and left on “SLOW MODE”?
YES
>> GO TO 3.
NO
>> Refer to
STC-30, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special
Repair Requirement (Pattern 4)"
3.
PERFORM SELF-DIAGNOSIS (4WAS FRONT CONTROL UNIT)
With CONSULT-III
Perform 4WAS front control unit self-diagnosis.
NOTE:
Detect DTC “C1671” when replacing 4WAS front control unit or performing 4WAS front actuator adjustment.
DTC “C1671” becomes past record if 4WAS front actuator adjustment is completed normally.
Is any error system detected?
YES
>> Check the error system.
NO
>> GO TO 4.
4.
ERROR HISTORY ERASE
With CONSULT-III
Erase the memory of 4WAS main control unit and 4WAS main control unit self-diagnosis result.
>> END
4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair
Requirement (Pattern 3)
INFOID:0000000000958732
1.
PERFORM ACTIVE TEST (LOCK OPERATION)
With CONSULT-III
INSPECTION AND ADJUSTMENT
STC-29
< BASIC INSPECTION >
[WITH 4WAS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
1.
Stop the vehicle to the straight-ahead position.
2.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
3.
Select “LOCK OPERATION” item on “ACTIVE TEST” of 4WAS front control unit.
4.
Perform “RELEASE” of “ACTIVE TEST”.
CAUTION:
• Turn the steering wheel 90
°
. Check that the front wheels do not move.
• Never turn the steering wheel during “RELEASE”.
5.
Turn the steering wheel to adjust “
4WAS STR
ANG” of the 4WAS front control unit “DATA MONITOR” so
that it falls within the range shown below:
6.
Perform “LOCK” item on “ACTIVE TEST” of 4WAS front control unit.
7.
Steer to 30
°
leftward slowly. Steer to 30
°
rightward and return the steering wheel to the straight-ahead
position.
8.
Finish 4WAS front control unit active test.
>> GO TO 2.
2.
STEERING ANGLE SENSOR NEUTRAL POSITION ADJUSTMENT
1.
Perform the steering angle sensor neutral position adjustment. Refer to
STEERING ANGLE SENSOR NEUTRAL POSITION : Special Repair Requirement"
.
2.
Turn the ignition switch OFF.
>> GO TO 3.
3.
RETURN TO 4WAS FRONT ACTUATOR INITIAL POSITON
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Steer 90
°
leftward slowly. Then steer 90
°
rightward.
3.
Steer 90
°
leftward slowly again. Then steer 90
°
rightward. Return the steering wheel to the straight-ahead
position.
4.
Stop the vehicle in the straight-ahead position after driving for a period of time. (When engine is running)
>> GO TO 4.
4.
CHECK 4WAS FRONT ACTUATOR INSPECTION
With CONSULT-III
1.
Check “
4WAS
STR ANG” item on “DATA MONITOR” of 4WAS front control unit.
CAUTION:
Never touch the steering wheel during the service.
2.
Turn the ignition switch OFF.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 1.
5.
PERFORM ACTIVE TEST (SLOW MODE)
With CONSULT-III
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Select “SLOW MODE” item on “ACTIVE TEST” of 4WAS front control unit.
3.
Perform “MODE START” of “ACTIVE TEST”.
4.
Steer the steering wheel leftward slowly until the turning stops.
4WAS STR
ANG
:
−
3.5 – 3.5 deg
4WAS
STR ANG
:
−
3.5 – 3.5 deg
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