BRC-5
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P Fail-Safe ................................................................
168
DTC No. Index ......................................................169
SYMPTOM DIAGNOSIS ............................171
VDC/TCS/ABS ..................................................171
Symptom Table .....................................................171
EXCESSIVE ABS FUNCTION OPERATION
FREQUENCY ...................................................
172
Diagnosis Procedure .............................................172
UNEXPECTED PEDAL REACTION ................173
Diagnosis Procedure .............................................173
THE BRAKING DISTANCE IS LONG ..............174
Diagnosis Procedure .............................................174
ABS FUNCTION DOES NOT OPERATE .........175
Diagnosis Procedure .............................................175
PEDAL VIBRATION OR ABS OPERATION
SOUND OCCURS ............................................
176
Diagnosis Procedure .............................................176
VEHICLE JERKS DURING VDC/TCS/ABS
CONTROL ........................................................
177
Diagnosis Procedure .............................................177
NORMAL OPERATING CONDITION ...............178
Description ............................................................178
PRECAUTION ............................................179
PRECAUTIONS ...............................................179
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................
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Precaution for Brake System .................................179
Precaution for Brake Control .................................179
Diagnosis Precaution .............................................180
Precaution for Harness Repair ..............................180
PREPARATION .........................................181
PREPARATION ...............................................181
Special Service Tool ..............................................181
REMOVAL AND INSTALLATION .............182
WHEEL SENSORS .........................................182
Removal and Installation .......................................182
SENSOR ROTOR ............................................183
Removal and Installation .......................................183
ACTUATOR AND ELECTRIC UNIT (ASSEM-
BLY) ................................................................
184
Removal and Installation .......................................184
YAW RATE/SIDE G SENSOR ........................185
Removal and Installation .......................................185
STEERING ANGLE SENSOR .........................186
Removal and Installation .......................................186
BRC-6
< BASIC INSPECTION >[ABS]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work FlowINFOID:0000000001731351
PRECAUTIONS FOR DIAGNOSIS
If steering angle sensor, steering system parts, suspension system parts, ABS actuator and electric unit (con-
trol unit) or tires have been replaced, or if wheel alignment has been adjusted, be sure to adjust neutral posi-
tion of steering angle sensor before driving. Refer to BRC-90, "
ADJUSTMENT OF STEERING ANGLE
SENSOR NEUTRAL POSITION : Description".
DIAGNOSIS AND REPAIR WORKFLOW
BRC-7
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OVERALL SEQUENCE
DETAIED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred) using the diagnosis worksheet. Refer to BRC-89, "
Diagnostic Work Sheet".
>> GO TO 2
JSFIA0010GB
BRC-8
< BASIC INSPECTION >[ABS]
DIAGNOSIS AND REPAIR WORKFLOW
2.PERFORM THE SELF-DIAGNOSIS
Check the DTC display with the self-diagnosis function. Refer to BRC-25, "
CONSULT-III Function (ABS)".
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 BRC-71, "
DTC No. Index".
>> 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 BRC-79,
"Description".
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 BRC-60, "
Description".
Brake warning lamp: Refer to BRC-61, "
Description".
VDC OFF indicator lamp: Refer to XX-XX, "*****"
.
SLIP indicator lamp: Refer to XX-XX, "*****"
.
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-25, "
CONSULT-III Function (ABS)".
Is no other DTC present and the repair completed?
YES >> INSPECTION END
NO >> GO TO 3
DIAGNOSIS AND REPAIR WORKFLOW
BRC-9
< BASIC INSPECTION >[ABS]
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Diagnostic Work SheetINFOID:0000000001731352
SFIA3265E
BRC-10
< BASIC INSPECTION >[ABS]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000001731353
After replacing the ABS actuator and electric unit (control unit), perform the following procedures:
Neutral position adjustment for the steering angle sensor
Calibration of the decel G sensor
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000001731354
1.PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
Perform the neutral position adjustment for the steering angle sensor.
>> Refer to BRC-90, "
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Spe-
cial Repair Requirement", GO TO 2
2.PERFORM CALIBRATION OF THE DECEL G SENSOR
Perform calibration of the decel G sensor.
>> Refer to BRC-92, "
CALIBRATION OF DECEL G SENSOR : Special Repair Requirement".
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description
INFOID:0000000001731355
Refer to the table below to determine if adjustment of steering angle sensor neutral position is required.
×: Required –: Not required
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Re-
pair Requirement
INFOID:0000000001731356
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.
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 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-11
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>> GO TO 2
2.PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
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 memory of the ABS actuator and electric unit (control unit) and ECM.
ABS actuator and electric unit (control unit): Refer to BRC-25, "
CONSULT-III Function (ABS)".
ECM, refer to:
-EC-107, "
CONSULT-III Function" (HR16DE with EURO-OBD)
-EC-462, "
CONSULT-III Function" (HR16DE without EURO-OBD)
-EC-772, "
CONSULT-III Function" (MR18DE)
-EC-1104, "
Diagnosis Description" (K9K)
Are the memories erased?
YES >> INSPECTION END
NO >> Check the items indicated by the self-diagnosis.
CALIBRATION OF DECEL G SENSOR
CALIBRATION OF DECEL G SENSOR : DescriptionINFOID:0000000001731357
Refer to the table below to determine if calibration of the decel G sensor is required.
×: Required –: Not required
Situation Calibration of decel G sensor
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 steering components×
Replacing steering components×
Removing/Installing suspension components×
Replacing suspension components×
Change tires to new ones—
Tire rotation—
Adjusting wheel alignment×
BRC-12
< BASIC INSPECTION >[ABS]
INSPECTION AND ADJUSTMENT
CALIBRATION OF DECEL G SENSOR : Special Repair Requirement
INFOID:0000000001731358
CALIBRATION OF DECEL G SENSOR
CAUTION:
To calibrate the decel G sensor, make sure to use CONSULT-III
(Calibration 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 CALIBRATION OF DECEL G SENSOR
1. On the CONSULT-III screen, touch “WORK SUPPORT” and “DECEL G SEN CALIBRATION” in order.
2. Touch “START”.
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 “DECEL G SEN” is within ±.
Is the inspection result normal?
YES >> GO TO 4
NO >> Perform calibration of decel G sensor again, GO TO 1
4.ERASE THE SELF-DIAGNOSIS MEMORY
Erase the self-diagnosis memory of the ABS actuator and electric unit (control unit) and ECM.
ABS actuator and electric unit (control unit): Refer to BRC-25, "
CONSULT-III Function (ABS)".
ECM, refer to:
-EC-107, "
CONSULT-III Function" (HR16DE with EURO-OBD)
-EC-462, "
CONSULT-III Function" (HR16DE without EURO-OBD)
-EC-772, "
CONSULT-III Function" (MR18DE)
-EC-1104, "
Diagnosis Description" (K9K)
Are the memories erased?
YES >> INSPECTION END
NO >> Check the items indicated by the self-diagnosis.