Nissan Murano: Charging System :: Dtc/circuit Diagnosis / L Terminal Circuit (open)

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Charging System :: Dtc/circuit Diagnosis / L Terminal Circuit (open)

Diagnosis Procedure

CHECK "L" TERMINAL CONNECTION

  1. Ignition switch OFF.

  2. Check if "L" terminal is clean and tight.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair "L" terminal connection. Confirm repair by performing system test using 165-DSS-5000P. Refer to applicable instruction manual for proper testing procedures.

CHECK “L” TERMINAL CIRCUIT (OPEN)

  1. Disconnect generator connector.

  2. Apply ground generator harness connector.

  3. Check condition of the charge warning lamp with ignition switch in the ON position.

    Generator — Condition
    Connector Terminal Ignition switch Charge warning lamp
    F7 2 Ground ON Illuminate

Does it illuminate?

YES>>

“L” terminal circuit is normal. Refer to Work Flow (With 165-DSS-5000P), or (Without 165-DSS-5000P).

NO>>

GO TO 3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

  1. Disconnect the battery cable from the negative terminal.

  2. Disconnect combination meter connector and generator connector.

  3. Check continuity between generator harness connector and combination meter harness connector.

    Generator Combination meter Continuity
    Connector Terminal Connector Terminal
    F7 2 M24 11 Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the harness or connectors.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check continuity between combination meter harness connector and fuse block (J/B).

Combination meter Fuse block (J/B) Continuity
Connector Terminal Connector Terminal
M23 44 M4 8P Yes

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace the harness or connectors.

CHECK POWER SUPPLY CIRCUIT

  1. Connect the battery cable to the negative terminal.

  2. Check voltage between combination meter harness connector and ground.

    (+) (—) Condition

    Voltage

    (Approx.)
    Combination meter
    Connector Terminal
    M23 44 Ground When ignition switch is ON Battery voltage

Is the inspection result normal?

YES>>

Replace the combination meter. Refer to Removal and Installation.

NO>>

Repair or replace the harness or connectors.

    B Terminal Circuit

    Diagnosis Procedure CHECK TERMINAL "B" CONNECTION Ignition switch OFF. Verify terminal “B” is clean and tight. Is the inspection result normal? YES>> GO TO 2...

    L Terminal Circuit (short)

    Diagnosis Procedure CHECK “L” TERMINAL CIRCUIT (SHORT) Ignition switch OFF. Disconnect generator connector. Ignition switch ON. Does charge warning lamp illuminate? YES>> GO TO 2...

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