Nissan Quest E52. Instruction — part 254
BRAKE WARNING LAMP
BRC-109
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
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BRAKE WARNING LAMP
Component Function Check
INFOID:0000000009651433
1.
CHECK BRAKE WARNING LAMP FUNCTION (1)
Check that brake warning lamp in combination meter turns ON for approx. 2 second after ignition switch is
turned ON.
CAUTION:
Never start engine.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Proceed to
BRC-109, "Diagnosis Procedure"
2.
CHECK BRAKE WARNING LAMP FUNCTION (2)
Check that brake warning lamp in combination meter turns ON/OFF when parking brake is operated.
NOTE:
Brake warning lamp turns ON when parking brake is operated (when parking brake switch is ON).
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check parking brake switch system. Refer to
BRC-104, "Diagnosis Procedure"
.
3.
CHECK BRAKE WARNING LAMP FUNCTION (3)
Check that brake warning lamp in combination meter turns ON/OFF when brake fluid level switch is operated
while brake fluid level in reservoir tank is with the specified level.
NOTE:
Brake warning lamp turns ON when brake fluid is less than the specified level (when brake fluid level switch is
ON).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check brake fluid level switch system. Refer to
Diagnosis Procedure
INFOID:0000000009651434
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIR-
CUIT
Perform the trouble diagnosis for ABS actuator and electric unit (control unit) power supply and ground circuit.
Refer to
BRC-101, "Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
PERFORM THE SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “ABS”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK COMBINATION METER
Check combination meter. Refer to
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
NO
>> Repair or replace combination meter. Refer to
BRC-110
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
VDC WARNING LAMP
VDC WARNING LAMP
Component Function Check
INFOID:0000000009651435
1.
CHECK VDC WARNING LAMP FUNCTION
Check that VDC warning lamp in combination meter turns ON for approx. 2 second after ignition switch is
turned ON.
CAUTION:
Never start engine.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
BRC-110, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009651436
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIR-
CUIT
Perform the trouble diagnosis for ABS actuator and electric unit (control unit) power supply and ground circuit.
Refer to
BRC-101, "Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
PERFORM THE SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “ABS”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK VDC WARNING LAMP SIGNAL
With CONSULT
1.
Select “ABS”, “DATA MONITOR” and “SLIP/VDC LAMP” according to this order.
2.
Turn the ignition switch OFF.
3.
Check that data monitor displays “On” for approx. 1 second after ignition switch is turned ON, and then
changes to “Off”.
CAUTION:
Never start engine.
Is the inspection result normal?
YES
>> Check combination meter. Refer to
NO
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
VDC OFF INDICATOR LAMP
BRC-111
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
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BRC
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VDC OFF INDICATOR LAMP
Component Function Check
INFOID:0000000009651437
1.
CHECK VDC OFF INDICATOR LAMP FUNCTION (1)
Check that VDC OFF indicator lamp in combination meter turns ON for approx. 2 second after ignition switch
is turned ON.
CAUTION:
Never start engine.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Proceed to diagnosis procedure. Refer to
BRC-111, "Diagnosis Procedure"
2.
CHECK VDC OFF INDICATOR LAMP FUNCTION (2)
Check that VDC OFF indicator lamp in combination meter turns ON/OFF when VDC OFF switch is operated.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check VDC OFF switch system. Refer to
BRC-106, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000009651438
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIR-
CUIT
Perform the trouble diagnosis for ABS actuator and electric unit (control unit) power supply and ground circuit.
Refer to
BRC-101, "Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK VDC OFF INDICATOR LAMP SIGNAL (1)
With CONSULT
1.
Select “ABS”, “DATA MONITOR” and “OFF LAMP” according to this order.
2.
Turn the ignition switch OFF.
3.
Check that data monitor displays “On” for approx. 1 second after ignition switch is turned ON, and then
changes to “Off”.
CAUTION:
Never start engine.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
3.
CHECK VDC OFF INDICATOR LAMP SIGNAL (2)
With CONSULT
1.
Select “ABS”, “DATA MONITOR” and “OFF LAMP” according to this order.
2.
Check that data monitor displays “On” or “Off” each time when VDC OFF switch is operated.
Is the inspection result normal?
YES
>> Check combination meter. Refer to
NO
>> Check VDC OFF switch system. Refer to
BRC-106, "Diagnosis Procedure"
.
BRC-112
< SYMPTOM DIAGNOSIS >
[WITH VDC]
EXCESSIVE OPERATION FREQUENCY
SYMPTOM DIAGNOSIS
EXCESSIVE OPERATION FREQUENCY
Description
INFOID:0000000009651439
VDC function, TCS function, ABS function, EBD function and brake limited slip differential (BLSD) function
operates in excessive operation frequency.
Diagnosis Procedure
INFOID:0000000009651440
1.
CHECK BRAKING FORCE
Check brake force using a brake tester.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check brake system.
2.
CHECK FRONT AND REAR AXLE
Check that there is no excessive looseness in front and rear axle.
• Front axle: Refer to
• Rear axle: Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK WHEEL SENSOR
Check wheel sensor.
• Check installation and damage of wheel sensor.
• Check connection of wheel sensor harness connector.
• Check terminal of wheel sensor harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>>
Repair or replace wheel sensor.
• Front wheel sensor: Refer to
BRC-119, "FRONT WHEEL SENSOR : Removal and Installation"
• Rear wheel sensor: Refer to
BRC-120, "REAR WHEEL SENSOR : Removal and Installation"
4.
CHECK SENSOR ROTOR
Check that there is no looseness, damage or foreign material on sensor rotor.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>>
Repair installation or replace sensor rotor.
• Front sensor rotor: Refer to
BRC-122, "FRONT SENSOR ROTOR : Removal and Installation"
.
• Rear sensor rotor. Refer to
BRC-122, "REAR SENSOR ROTOR : Removal and Installation"
5.
CHECK WARNING LAMP TURNS OFF
Check that ABS warning lamp, brake warning lamp and VDC warning lamp turn OFF approx. 2 second after
key switch is turned ON and stay in OFF status during driving.
CAUTION:
• Brake warning lamp turns ON when parking brake is operated (parking brake switch is ON) or brake
fluid is less than the specified level (brake fluid level switch is ON).
• VDC function and TCS function never operate when VDC OFF switch is operated (when VDC OFF
indicator lamp turns ON).
Is the inspection result normal?
YES
>> Normal
NO
>> Perform self-diagnosis for “ABS” with CONSULT.
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