Infiniti G37 Coupe. Manual — part 275
BRC-74
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
VDC OFF SWITCH
YES
>> GO TO 3.
NO
>> If the open or short in harness, repair or replace harness.
3.
CHECK COMBINATION METER
Check if the indication and operation of combination meter are normal. Refer to
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
NO
>> Repair or replace combination meter.
Component Inspection
INFOID:0000000001635131
1.
CHECK VDC OFF SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect VDC OFF switch connector.
3.
Check continuity between VDC OFF switch connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace VDC OFF switch.
VDC OFF switch
Condition
Continuity
Connector
Terminal
M19
1
−
2
When VDC OFF switch is hold pressed.
Existed
When releasing VDC OFF switch.
Not existed
ABS WARNING LAMP
BRC-75
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
ABS WARNING LAMP
Description
INFOID:0000000001635132
×
: ON –: OFF
Component Function Check
INFOID:0000000001635133
1.
CHECK ABS WARNING LAMP OPERATION
Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000001635134
1.
CHECK SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check items displayed by self-diagnosis.
2.
CHECK COMBINATION METER
Check if the indication and operation of combination meter are normal. Refer to
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
NO
>> Repair or replace combination meter.
Condition
ABS warning lamp
Ignition switch OFF
–
For 1 second after turning ON ignition switch
×
1 second later after turning ON ignition switch
–
ABS function is malfunctioning.
×
EBD function is malfunctioning.
×
BRC-76
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
BRAKE WARNING LAMP
BRAKE WARNING LAMP
Description
INFOID:0000000001635135
×
: ON –: OFF
NOTE:
• 1: Brake warning lamp will turn on in case of parking brake operation (when switch is ON) or of brake fluid level switch operation
(when brake fluid is insufficient).
• 2: After starting engine, brake warning lamp is turned off.
Component Function Check
INFOID:0000000001635136
1.
BRAKE WARNING LAMP OPERATION CHECK 1
Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Go to diagnosis procedure. Refer to
2.
BRAKE WARNING LAMP OPERATION CHECK 2
Check that the brake warning lamp in the combination meter turns ON/OFF correctly when operating the park-
ing brake lever (M/T models) or the parking brake pedal (A/T models).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check parking brake switch. Refer to
.
Diagnosis Procedure
INFOID:0000000001635137
1.
CHECK PARKING BRAKE SWITCH
Check that the brake warning lamp in the combination meter turns ON/OFF correctly when operating the park-
ing brake lever (M/T models) or the parking brake pedal (A/T models).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check parking brake switch. Refer to
.
2.
CHECK SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check items displayed by self-diagnosis.
3.
CHECK COMBINATION METER
Check if the indication and operation of combination meter are normal. Refer to
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
NO
>> Repair or replace combination meter.
Condition
Brake warning lamp (Note 1)
Ignition switch OFF
–
For 1 second after turning ignition switch ON
×
(Note 2)
1 second later after turning ignition switch ON
×
(Note 2)
EBD function is malfunctioning.
×
VDC OFF INDICATOR LAMP
BRC-77
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
VDC OFF INDICATOR LAMP
Description
INFOID:0000000001635138
×
: ON –: OFF
Component Function Check
INFOID:0000000001635139
1.
VDC OFF INDICATOR LAMP OPERATION CHECK 1
Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Go to diagnosis procedure. Refer to
2.
VDC OFF INDICATOR LAMP OPERATION CHECK 2
Check that the VDC OFF indicator lamp in the combination meter turns ON/OFF correctly when operating the
VDC OFF switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check VDC OFF switch. Refer to
.
Diagnosis Procedure
INFOID:0000000001635140
1.
CHECK VDC OFF SWITCH
Check that the VDC OFF indicator lamp in the combination meter turns ON/OFF correctly when operating the
VDC OFF switch.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check VDC OFF switch. Refer to
.
2.
CHECK SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check items displayed by self-diagnosis.
3.
CHECK COMBINATION METER
Check if the indication and operation of combination meter are normal. Refer to
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
NO
>> Repair or replace combination meter.
Condition
VDC OFF indicator lamp
Ignition switch OFF
–
For 1 second after turning ignition switch ON
×
1 second later after turning ignition switch ON
–
VDC OFF switch turned ON. (VDC function is OFF.)
×
VDC/TCS function is malfunctioning.
×
ABS function is malfunctioning.
×
EBD function is malfunctioning.
×
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