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

Nissan Rogue (T33) 2021-Present Service Manual / Electrical & Power Control :: Lan System / Can :: Dtc/circuit Diagnosis / Ecm 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).

    • ECM

    • Harness connector E22

    • Harness connector F37

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair the terminal and connector.

CHECK HARNESS FOR OPEN CIRCUIT

  1. Disconnect the connector of ECM.

  2. Check the resistance between the ECM harness connector terminals.

    ECM harness connector Resistance (Ω)
    Connector No. Terminal No.
    E21 132 131 Approx. 108 – 132

Is the measurement value within the specification?

YES>>

GO TO 3.

NO>>

Repair the ECM branch line.

CHECK POWER SUPPLY AND GROUND CIRCUIT

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

Is the inspection result normal?

YES (Present error)>>

Replace the ECM. Refer to Removal and Installation.

YES (Past error)>>

Error was detected in the ECM branch line.

NO>>

Repair the power supply and the ground circuit.

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