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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> LAN System (Can) (Except Hybrid) >> DTC/Circuit Diagnosis >> DLC Branch Line Circuit (Can Communication Circuit 2) >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CONNECTOR 
    1. Turn the ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side).

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair the terminal and connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT 

    Check the resistance between the data link connector terminals.

    Data link connector Resistance (Ω)
    Connector No. Terminal No.
    M22 13 12 Approx. 54 - 66

    Is the measurement value within the specification? 

    YES (Present error): Check CAN system type decision again.

    YES (Past error): Error was detected in the data link connector branch line circuit (CAN communication circuit 2 side).

    NO: Repair the data link connector branch line (CAN communication circuit 2 side).

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