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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit (Combination Meter) >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSES 

    Check that the following fuses are not blown:

    Unit

    Power source

    Fuse No.

    Combination meter

    Battery

    20 (10A)

    Ignition switch ON or START

    33 (5A)

    Is the fuse blown?

    YES

    Replace the blown fuse after repairing the affected circuit.

    NO

    GO TO 2.

  2. POWER SUPPLY CIRCUIT CHECK 
    1. Disconnect combination meter harness connector.
    2. Check voltage between combination meter harness connector terminals and ground.

    Terminals

    Ignition switch position

    (+)

    (-)

    OFF

    ON

    START

    Connector

    Terminal

    M24

    19

    Ground

    Battery voltage

    Battery voltage

    Battery voltage

    20

    0V

    Battery voltage

    Battery voltage

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness or connectors.

  3. GROUND CIRCUIT CHECK 
    1. Ignition switch OFF.
    2. Check continuity between combination meter harness connector terminals and ground.

    Terminals

    Continuity

    (+)

    (-)

    Connector

    Terminal

    M24

    23

    Ground

    Yes

    37

    38

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Repair or replace harness or connectors.