Nissan Juke Service and Repair Manual : Diagnosis system [ABS actuator and electric unit (control unit)]

CONSULT-III Function

APPLICATION ITEMS

CONSULT-III can display each diagnostic item using the diagnostic test modes as follows.

*: The following diagnosis information is erased by erasing.


*: The following diagnosis information is erased by erasing.

• DTC
• Freeze frame data (FFD) ECU IDENTIFICATION

ABS actuator and electric unit (control unit) part number can be read.

SELF DIAGNOSTIC RESULT

Refer to BRC-31, "DTC Index".

When “CRNT” is displayed on self-diagnosis result • The system is presently malfunctioning.

When “PAST” is displayed on self-diagnosis result • System malfunction in the past is detected, but the system is presently normal.

Freeze frame data (FFD)
When DTC is detected, a vehicle state shown below is recorded and displayed on CONSULT-III.

DATA MONITOR


DATA MONITOR


*: Refer to BRC-13, "System Description" for ON/OFF conditions of each


*: Refer to BRC-13, "System Description" for ON/OFF conditions of each warning lamp.

ACTIVE TEST

The active test is used to determine and identify details of a malfunction, based on self-diagnosis test result sand data obtained in the DATA MONITOR. In response to instructions from CONSULT-III, instead of those from ABS actuator and electric unit (control unit) on the vehicle, a drive signal is sent to the actuator to check its operation.

CAUTION:
• Never perform ACTIVE TEST while driving the vehicle.

• Always bleed air from brake system before ACTIVE TEST.

• Never perform ACTIVE TEST when system is malfunctioning.

NOTE:

• When active test is performed while depressing the pedal, the pedal depressing stroke may change. This is not a malfunction.

• “TEST IS STOPPED” is displayed approx. 10 seconds after operation start.

• When performing active test again after “TEST IS STOPPED” is displayed, select “BACK”.

• ABS warning lamp and brake warning lamp may turn ON during active test. This is not a malfunction.

ABS IN Valve and ABS OUT Valve When “Up”, “Keep” or “Down” is selected on display screen, the following items are displayed when system is normal.

*: Immediately after being selected, status is “On”. Status changes to “Off”


*: Immediately after being selected, status is “On”. Status changes to “Off” after approx. 2 seconds.

ABS Motor
When “On” or “Off” is selected on display screen, the following items are displayed when system is normal.

ECU diagnosis information


    System
    System Description • The system switches fluid pressure of each brake caliper to increase, to hold or to decrease according to signals from control unit in ABS actuator and electric unit (control ...

    ECU diagnosis information
    ABS actuator and electric unit (control unit) Reference Value CONSULT-III DATA MONITOR STANDARD VALUE *1: Confirm tire pressure is standard value. *2: Refer to “valve operation” in BRC-13, &qu ...

    Other materials:

    Environmental factors influence the rate of corrosion
    Moisture Accumulation of sand, dirt and water on the vehicle body underside can accelerate corrosion. Wet floor coverings will not dry completely inside the vehicle, and should be removed for drying to avoid floor panel corrosion. Relative humidity Corrosion will be accelerated in areas of h ...

    Power supply and ground circuit
    AUDIO UNIT AUDIO UNIT : Diagnosis Procedure 1.CHECK FUSE Check for blown fuses. Is inspection result OK? YES >> GO TO 2. NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2.CHECK POWER SUPPLY CIRCUIT Check voltage between audio unit harness connect ...

    Types of tires
    WARNING • When changing or replacing tires, be sure all four tires are of the same type (Example: Summer, All Season or Snow) and construction. A NISSAN dealer may be able to help you with information about tire type, size, speed rating and availability. • Replacement tires may have a lower sp ...