Infiniti G37 Coupe. Manual — part 258
BRC-6
< BASIC INSPECTION >
[VDC/TCS/ABS]
DIAGNOSIS AND REPAIR WORKFLOW
2.
PERFORM THE SELF-DIAGNOSIS
Check the DTC display with the self-diagnosis function.
Is there any DTC displayed?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
PERFORM THE SYSTEM DIAGNOSIS
Perform the diagnosis applicable to the displayed DTC. Refer to
>> GO TO 7.
4.
CHECK THE SYMPTOM THAT IS NOT CONSIDERED A SYSTEM MALFUNCTION
Check that the symptom is a normal operation that is not considered a system malfunction. Refer to
Is the symptom a normal operation?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
CHECK THE WARNING LAMP AND INDICATOR LAMP FOR ILLUMINATION
Check that the warning lamp and indicator lamp illuminate.
• ABS warning lamp: Refer to
.
• Brake warning lamp: Refer to
• VDC OFF indicator lamp: Refer to
.
• SLIP indicator lamp: Refer to
.
Is ON/OFF timing normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
6.
PERFORM THE DIAGNOSIS BY SYMPTOM
Perform the diagnosis applicable to the symptom.
>> GO TO 7.
7.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 8.
8.
FINAL CHECK
Perform the self-diagnosis again, and check that the malfunction is repaired completely. After checking, erase
the self-diagnosis memory. Refer to
BRC-26, "CONSULT-III Function"
Is no other DTC present and the repair completed?
YES
>> INSPACTION END
NO
>> GO TO 3.
DIAGNOSIS AND REPAIR WORKFLOW
BRC-7
< BASIC INSPECTION >
[VDC/TCS/ABS]
C
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BRC
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Diagnostic Work Sheet
INFOID:0000000001635018
SFIA3265E
BRC-8
< BASIC INSPECTION >
[VDC/TCS/ABS]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000001635019
After replacing the ABS actuator and electric unit (control unit), perform the neutral position adjustment for the
steering angle sensor.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000001635020
1.
PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
Perform the neutral position adjustment for the steering angle sensor.
>> Refer to
BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Spe-
.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description
INFOID:0000000001635021
In case of doing work that applies to the list below, make sure to adjust neutral position of steering angle sen-
sor before running vehicle.
×
: Required –: Not required
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Re-
pair Requirement
INFOID:0000000001635022
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
CAUTION:
To adjust neutral position of steering angle sensor, make sure to use CONSULT-III.
(Adjustment cannot be done without CONSULT-III.)
1.
ALIGN THE VEHICLE STATUS
Stop vehicle with front wheels in straight-ahead position.
>> GO TO 2.
2.
PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
Situation
Adjustment of steering angle sensor neutral position
Removing/Installing ABS actuator and electric unit (control unit)
—
Replacing ABS actuator and electric unit (control unit)
×
Removing/Installing steering angle sensor
×
Replacing steering angle sensor
×
Removing/Installing 4WAS components
×
Replacing 4WAS components
×
Removing/Installing steering components
×
Replacing steering components
×
Removing/Installing suspension components
×
Replacing suspension components
×
Change tires to new ones
—
Tire rotation
—
Adjusting wheel alignment
×
INSPECTION AND ADJUSTMENT
BRC-9
< BASIC INSPECTION >
[VDC/TCS/ABS]
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1.
On the CONSULT-III screen, touch "WORK SUPPORT" and “ST ANG SEN ADJUSTMENT" in order.
2.
Touch “START”.
CAUTION:
Do not touch steering wheel while adjusting steering angle sensor.
3.
After approximately 10 seconds, touch “END”.
NOTE:
After approximately 60 seconds, it ends automatically.
4.
Turn ignition switch OFF, then turn it ON again.
CAUTION:
Be sure to perform above operation.
>> GO TO 3.
3.
CHECK DATA MONITOR
1.
Run vehicle with front wheels in straight-ahead position, then stop.
2.
Select “DATA MONITOR”. Then make sure “STR ANGLE SIG” is within 0
±
2.5
°
.
Is the steering angle within the specified range?
YES
>> GO TO 4.
NO
>> Perform the neutral position adjustment for the steering angle sensor again, GO TO 1.
4.
ERASE THE SELF-DIAGNOSIS MEMORY
Erase the self-diagnosis memories of the ABS actuator and electric unit (control unit), ECM, 4WAS and ICC.
• ABS actuator and electric unit (control unit): Refer to
BRC-26, "CONSULT-III Function"
• ECM: Refer to
EC-120, "CONSULT-III Function"
• 4WAS
- 4WAS FRONT CONTROL UNIT: Refer to
STC-39, "CONSULT-III Function [4WAS(FRONT)]"
.
- 4WAS MAIN CONTROL UNIT: Refer to
STC-43, "CONSULT-III Function [4WAS(MAIN)/RAS/HICAS]"
.
• ICC: Refer to
CCS-23, "CONSULT-III Function (ICC)"
.
Are the memories erased?
YES
>> INSPECTION END
NO
>> Check the items indicated by the self-diagnosis.
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