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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp And Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> 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 
    1. 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 
    1. 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.

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