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Nissan Sentra B18 (2020-2025) Service Manual: Dtc Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / B203d-14 Inside Antenna / Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

      1. Ignition switch ON.

      2. Check signal between Intelligent Key unit harness connector and ground using oscilloscope.

        (+)

        (–)

        Condition

        Signal

        (Reference value)

        Intelligent Key unit

        Connector

        Terminal

        M155

        33

        Ground

        Push-button ignition switch OFF

        When Intelligent Key is in the passenger compartment

        When Intelligent Key is not in the passenger compartment

        34

        When Intelligent Key is in the passenger compartment

        When Intelligent Key is not in the passenger compartment

    Is the inspection result normal?

    YES >>

    Replace Intelligent Key unit. Refer to Removal and Installation.

    NO >>

    GO TO 2.

  2. CHECK INSIDE KEY ANTENNA CIRCUIT

      1. Ignition switch OFF.

      2. Disconnect Intelligent Key unit connector and inside key antenna (trunk room) connector.

      3. Check continuity between Intelligent Key unit harness connector and inside key antenna (trunk room) harness connector.

        Intelligent Key unit

        Inside key antenna (trunk room)

        Continuity

        Connector

        Terminal

        Connector

        Terminal

        M155

        33

        B49

        2

        Yes

        34

        1

      4. Check continuity between Intelligent Key unit harness connector and ground.

        Intelligent Key unit

        —

        Continuity

        Connector

        Terminal

        M155

        33

        Ground

        No

        34

    Is the inspection result normal?

    YES >>

    GO TO 3.

    NO >>

    Repair or replace harness.

  3. CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2

      1. Replace inside key antenna (trunk room). (New antenna or other antenna)

      2. Connect Intelligent Key unit connector and inside key antenna (trunk room) connector.

      3. Ignition switch ON.

      4. Check signal between Intelligent Key unit harness connector and ground using oscilloscope.

        (+)

        (–)

        Condition

        Signal

        (Reference value)

        Intelligent Key unit

        Connector

        Terminal

        M155

        33

        Ground

        Push-button ignition switch OFF

        When Intelligent Key is in the passenger compartment

        When Intelligent Key is not in the passenger compartment

        34

        When Intelligent Key is in the passenger compartment

        When Intelligent Key is not in the passenger compartment

    Is the inspection result normal?

    YES >>

    Replace inside key antenna (trunk room). Refer to Removal and Installation.

    NO >>

    Replace Intelligent Key unit. Refer to Removal and Installation.

Confirmation Procedure
Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Select “Self Diagnosis Result” mode of “HANDS FREE MODULE ...

B203e-14 Outside Antenna
...

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DTC Diagnosis Procedure PERFORM SELF DIAGNOSTIC RESULT CONSULT Ignition switch OFF to ON. Erase "Self Diagnostic Result" mode of "EPS/DAST 3". ...

CSC(concentric slave cylinder)
Exploded View Transaxle assembly CSC (Concentric Slave Cylinder) Removal and Installation CAUTION: Do not reuse CSC (Concentric Slave Cylinder). The CSC slides back to the original position every time the transaxle assembly is removed. This action may allow dust or contamin ...

Exploded View
Exploded View 1. Steering member 2. Lower joint 3. Steering column ...

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