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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B2210-11: Outside Temp Sens >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK AMBIENT SENSOR POWER SUPPLY 
    1. Ignition switch OFF.
    2. Disconnect ambient sensor harness connector.
    3. Ignition switch ON.
    4. Check voltage between ambient sensor harness connector and ground.

      (+)

      (-)

      Voltage

      (Approx.)

      Ambient sensor

      Connector

      Terminal

      E76

      1

      Ground

      5 V

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    GO TO 4.

  2. CHECK AMBIENT SENSOR GROUND CIRCUIT 
    1. Ignition switch OFF.
    2. Check continuity between ambient sensor harness connector and ground.

      Ambient sensor

      --

      Continuity

      Connector

      Terminal

      E76

      2

      Ground

      Yes

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness or connector.

  3. CHECK AMBIENT SENSOR 

    Check ambient sensor. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    Replace combination meter. Refer to Removal and Installation .

    NO

    Replace ambient sensor. Refer to Removal and Installation .

  4. CHECK AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR OPEN 
    1. Ignition switch OFF.
    2. Disconnect combination meter connector.
    3. Check continuity between ambient sensor harness connector and combination meter harness connector.

      Ambient sensor

      Combination meter

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E76

      1

      M77

      49

      Yes

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace harness or connector.

  5. CHECK AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT 

    Check continuity between ambient sensor harness connector and ground.

    Ambient sensor

    --

    Continuity

    Connector

    Terminal

    E76

    1

    Ground

    No

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace harness or connector.

  6. CHECK AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR POWER SHORT 
    1. Ignition switch ON.
    2. Check voltage between ambient sensor harness connector and ground.

      Ambient sensor

      --

      Voltage

      (Approx.)

      Connector

      Terminal

      E76

      1

      Ground

      0 V

    Is the inspection result normal?

    YES

    Replace combination meter. Refer to Removal and Installation .

    NO

    Repair or replace harness or connector.