Nissan Rogue (T33) 2021-Present Service Manual: Ivc Branch Line Circuit

Diagnosis Procedure

CHECK CONNECTOR

  1. Turn the ignition switch OFF.

  2. Disconnect the battery cable from the negative terminal.

  3. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).

    • TCU

    • 8CH CAN gateway

Is the inspection result normal?

YES-1>>

With type B meter: GO TO 2.

YES-2>>

With type A meter: GO TO 3.

NO>>

Repair the terminal and connector.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

  1. Disconnect the connector of 8CH CAN gateway.

  2. Check the continuity between the 8CH CAN gateway harness connector terminals.

    8CH CAN gateway harness connector Continuity
    Connector No. Terminal No.
    M16 22 19 Existed
    23 20 Existed

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Check the harness and repair the root cause (IT CAN communication circuit side). Refer to Diagnosis Procedure.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

  1. Disconnect the connector of 8CH CAN gateway.

  2. Check the continuity between the 8CH CAN gateway harness connector terminals.

    8CH CAN gateway harness connector Continuity
    Connector No. Terminal No.
    M9 58 45 Existed
    59 44 Existed

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Check the harness and repair the root cause (IT CAN communication 3 circuit side). Refer to Diagnosis Procedure.

CHECK HARNESS FOR OPEN CIRCUIT

  1. Connect the connector of 8CH CAN gateway.

  2. Disconnect the connector of TCU.

  3. Check the resistance between the TCU harness connector terminals.

    TCU harness connector Resistance (Ω)
    Connector No. Terminal No.
    M35 6 7 Approx. 54 – 66

Is the measurement value within the specification?

YES>>

GO TO 5.

NO>>

Repair the TCU branch line.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the TCU. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES (Present error)>>

Replace the TCU. Refer to Removal and Installation.

YES (Past error)>>

Error was detected in the TCU branch line.

NO>>

Repair the power supply and the ground circuit.

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