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Home >> Nissan-Datsun >> 2016 >> Sentra FE+S >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Security Control System (With Intelligent Key System) (DTCS)) >> DTC/Circuit Diagnosis >> DTC B210C: Starter Control Relay >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2017 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. PERFORM SELF DIAGNOSTIC RESULT

    Perform Self Diagnostic Result of IPDM E/R using CONSULT.

    Is display history of DTC B210C CRNT?

    YES 

    GO TO STEP 2  .

    NO 

    Refer to INTERMITTENT INCIDENT .

  2. CHECK STARTER CONTROL RELAY CONTROL CIRCUITS VOLTAGE

    Check voltage between IPDM E/R connectors and ground.

    IPDM E/R Ground Voltage
    (Approx.)
    Connector Terminal
    E46 44 - Battery voltage

    Is the inspection result normal?

    YES 

    Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 3  .

  3. CHECK STARTER CONTROL RELAY CONTROL CIRCUIT CONTINUITY

    1. Disconnect IPDM E/R connector E46 and BCM connector M83.
    2. Check continuity between IPDM E/R connector E46 and BCM connector M83.
      IPDM E/R BCM Continuity
      Connector Terminal Connector Terminal
      E46 44 M83 74 Yes
    3. Check continuity between IPDM E/R connector E46 and ground.
      IPDM E/R Ground Continuity
      Connector Terminal
      E46 44 - No

    Is the inspection result normal?

    YES 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness or connectors.