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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Gateway >> Basic Inspection >> Additional Service When Replacing Can Gateway >> 3CH Can Gateway >> Work Procedure

Work Procedure

  1. SAVING VEHICLE SPECIFICATION 

    SYMBOL CONSULT Configuration Perform "Before Replace ECU" of "Read / Write Configuration" to save or print current vehicle specification (Type ID). Refer to Work Procedure (Before Replacement) .

    NOTE: SYMBOL If "Before Replace ECU" of "Read / Write Configuration" can not be used, use the "Manual Configuration" after replacing 3CH CAN gateway.

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    GO TO 2.

  2. REPLACE 3CH CAN GATEWAY 

    Replace 3CH CAN gateway. Refer to Removal and Installation .

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    GO TO 3.

  3. WRITING VEHICLE SPECIFICATION 

    SYMBOL CONSULT Configuration Perform "After Replace ECU" of "Read / Write Configuration" or "Manual Configuration" to write vehicle specification (Type ID). Refer to Work Procedure (After Replacement) .

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    GO TO 4.

  4. CHECK ALL ECU SELF-DIAGNOSIS RESULTS 
    1. Erase all ECU self-diagnosis results using CONSULT.
    2. Turn the ignition switch OFF.
    3. Turn the ignition switch ON and wait for 2 seconds or more.
    4. Check that all ECU self-diagnosis results have no DTC (e.g. U1000 and U1001) of CAN communication.

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    WORK END