Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: Power Supply and Ground Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Brakes :: Brake System / Dtc/circuit Diagnosis :: Power Supply and Ground Circuit

Diagnosis Procedure

CHECK ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT Ignition switch ON POWER SUPPLY

  1. Ignition switch OFF and disconnect CONSULT from data link connector.

  2. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

    CAUTION:

    Never operate the Nissan Ariya vehicle.

  3. Disconnect 12V battery cable from negative terminal.

  4. Disconnect the Electrically-driven Intelligent Brake Unit harness connector.

  5. Connect 12V battery cable to negative terminal.

  6. Check the voltage between the Electrically-driven Intelligent Brake Unit harness connector and ground.

    + — Voltage
    Electrically-driven Intelligent Brake Unit
    Connector Terminal
    E61 20 Ground Approx. 0 V

  7. Ignition switch ON without depressing the brake pedal.

  8. Check the voltage between the Electrically-driven Intelligent Brake Unit harness connector and ground.

    + — Voltage
    Electrically-driven Intelligent Brake Unit
    Connector Terminal
    E61 20 Ground 10 − 16 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT Ignition switch ON POWER SUPPLY CIRCUIT

  1. Ignition switch OFF and disconnect CONSULT from data link connector.

  2. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

    CAUTION:

    Never operate the Nissan Ariya vehicle.

  3. Disconnect 12V battery cable from negative terminal.

  4. Check the 10A fuse (#55).

  5. Disconnect fuse block (F/B) harness connector.

  6. Check the continuity between Electrically-driven Intelligent Brake Unit harness connector and fuse block (J/B) harness connector.

    Electrically-driven Intelligent Brake Unit Fuse block (F/B) Continuity
    Connector Terminal Connector Terminal
    E61 20 E28 11J Existed

  7. Check the continuity between Electrically-driven Intelligent Brake Unit harness connector and ground.

    Electrically-driven Intelligent Brake Unit — Continuity
    Connector Terminal
    B63 20 Ground Not existed

Is the inspection result normal?

YES>>

Perform trouble diagnosis for Ignition switch ON power supply.

NO>>

Repair / replace harness, connector, or fuse.

CHECK ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT MOTOR POWER SUPPLY

  1. Ignition switch OFF and disconnect CONSULT from data link connector.

  2. Connect 12V battery cable to negative terminal.

  3. Check the voltage between the Electrically-driven Intelligent Brake Unit harness connector and ground.

    Electrically-driven Intelligent Brake Unit Voltage
    Connector Terminal
    + -
    E61 1 9 10 - 16 V

  4. Ignition switch ON without depressing the brake pedal.

  5. Check the voltage between the Electrically-driven Intelligent Brake Unit harness connector and ground.

    Electrically-driven Intelligent Brake Unit Voltage
    Connector Terminal
    + -
    E61 1 9 10 - 16 V

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 4.

CHECK ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT MOTOR POWER SUPPLY CIRCUIT

  1. Ignition switch OFF and disconnect CONSULT from data link connector.

  2. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

    CAUTION:

    Never operate the Nissan Ariya vehicle.

  3. Disconnect 12V battery cable from negative terminal.

  4. Check the 30A fusible link (#O).

  5. Check the continuity and for short circuit between harness connector terminal 1 of Electrically-driven Intelligent Brake Unit and 30A fusible link (#O).

Is the inspection result normal?

YES>>

Perform trouble diagnosis for 12V battery power supply.

NO>>

Repair / replace harness, connector, fuse, or fusible link.

CHECK BRAKE POWER SUPPLY BACKUP UNIT 12V BATTERY POWER SUPPLY

  1. Ignition switch OFF and disconnect CONSULT from data link connector.

  2. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

    CAUTION:

    Never operate the Nissan Ariya vehicle.

  3. Disconnect 12V battery cable from negative terminal.

  4. Disconnect brake power supply backup unit harness connector.

  5. Connect 12V battery cable to negative terminal.

  6. Check the voltage between brake power supply backup unit harness connector and ground.

    + — Voltage
    Brake power supply backup unit
    Connector Terminal
    B120 6 Ground 10 − 16 V

  7. Ignition switch ON without depressing the brake pedal.

  8. Check the voltage between brake power supply backup unit harness connector and ground.

    + — Voltage
    Brake power supply backup unit
    Connector Terminal
    B120 6 Ground 10 − 16 V

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 6.

CHECK BRAKE POWER SUPPLY BACKUP UNIT 12V BATTERY POWER SUPPLY CIRCUIT

  1. Ignition switch OFF and disconnect CONSULT from data link connector.

  2. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

    CAUTION:

    Never operate the Nissan Ariya vehicle.

  3. Disconnect 12V battery cable from negative terminal.

  4. Check the 10A fusible link (#55).

  5. Check the continuity and for short circuit between harness connector terminal 6 of brake power supply backup unit and 10A fusible link (#55).

Is the inspection result normal?

YES>>

Perform trouble diagnosis for 12V battery power supply.

NO>>

Repair / replace harness, connector, or fusible link.

CHECK ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT GROUND

Check the continuity between Electrically-driven Intelligent Brake Unit harness connector and ground.

Electrically-driven Intelligent Brake Unit — Continuity
Connector Terminal
E61 9 Ground Existed

Is the inspection result normal?

YES>>

GO TO 8.

NO>>

Repair / replace harness or connector.

CHECK BRAKE POWER SUPPLY BACKUP UNIT GROUND

Check the continuity between brake power supply backup unit harness connector and ground.

Brake power supply backup unit — Continuity
Connector Terminal
B120 2 Ground Existed

Is the inspection result normal?

YES>>

GO TO 9.

NO>>

Repair / replace harness or connector.

CHECK TERMINAL

  1. Check Electrically-driven Intelligent Brake Unit terminals for damage or loose connection with harness connector.

  2. Check fuse block (J/B) terminals for damage or loose connection with harness connector.

  3. Check brake power supply backup unit terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Repair / replace harness, connector, or terminal.

    Dtc/circuit Diagnosis. U1fa1-86 Can Comm Circuit
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms DTC detection condition U1FA1 86 CAN communication error (ADAS control unit) 1 Diagnosis condition When Ignition...
    Dtc/circuit Diagnosis. Brake Warning Lamp
    Component Function Check CHECK BRAKE WARNING LAMP FUNCTION (1) Check that brake warning lamp turns ON for several second after Ignition switch is turned ON. Is the inspection re...

    Other materials:

    Système de contrôle de tension variable
    MISE EN GARDE Ne branchez jamais des accessoires électriques directement à la borne de la batterie. Une telle connexion contourne le système de contrôle de tension variable du Nissan Rogue et peut empêcher une recharge correcte de la batterie. Utilisez les accessoires électriques u ...

    Basic information
    WARNING Failure to follow the warnings and instructions for proper use of the AEB with Pedestrian Detection system on the Nissan Rogue could result in serious injury or death. The AEB with Pedestrian Detection system is an assistive feature, not a substitute for the driver's attention or safe dri ...

    Hd Map (hd Map Module)
    B14a0-45 Control Module DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms DTC detection condition   B14A0 45 Control module 1 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Internal error Diagnosis delay ti ...