LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2019 >> QX30 Essential, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC C107D: Electronic Stability Program Control Unit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DTC WITH ELECTRONIC STABILITY PROGRAM CONTROL UNIT 

    Check that DTC is not detected with electronic stability program control unit.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Refer to DTC Index .

  2. CHECK ELECTRONIC STABILITY PROGRAM CONTROL UNIT SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector and electronic stability program control unit connector.
    3. Check continuity between BCM harness connector and electronic stability program control unit harness connector.

      BCM

      Electronic stability program control unit

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E15

      121

      E46

      2

      Existed

    4. Check continuity between BCM harness connector and ground.

      BCM

      --

      Continuity

      Connector

      Terminal

      E15

      121

      Ground

      Not existed

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness.

  3. CHECK CAN COMMUNICATION SYSTEM DIAGNOSIS 

    Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart .

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace harness.

  4. REPLACE ELECTRONIC STABILITY PROGRAM CONTROL UNIT AND ERASE DTC 
    1. Turn ignition switch OFF.
    2. Replace electronic stability program control unit. Refer to Removal and Installation .
    3. Turn ignition switch ON.
    4. Select "Self Diagnostic Result" mode of "BCM" using CONSULT.
    5. Erase DTC, and then repeat "DTC CONFIRMATION PROCEDURE". Refer to DTC Description .

    Is DTC "C107D-86" detected?

    YES

    Replace BCM. Refer to Removal and Installation .

    NO

    INSPECTION END