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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 243 (Hybrid Battery System (Diagnostic Trouble Codes (DTCS) P3030-P3300) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P3030: Cell Controller Lin >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK CELL VOLTAGE

    Check cell voltage, using a module charge balancer.

    Standard : 100 mV or less

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 2  .

  2. CHECK THE HISTORY OF REPLACEMENT-1

    Check the latest replacement history of the module or battery pack assembly.

    Is there a history of part replacement?

    YES-1 

    When there is a history of replacing all of the 12 modules, GO TO STEP 3  .

    YES-2 

    When there is a history of replacing single module, replace all of the 12 modules and Li-ion battery controller. However, when replacing a module replaced in the past, it is possible to replace it as a single module replacement if the Li-ion battery is within 17 months from the manufacturing date. In this case, replace only module including an abnormal cell and Li-ion battery controller. Refer to DISASSEMBLY AND ASSEMBLY (Module) or DISASSEMBLY AND ASSEMBLY (Li-ion battery controller).

    YES-3 

    When there is a history of battery pack assembly replacement, GO TO STEP 4  .

    NO 

    GO TO STEP 4  .

  3. CHECK THE HISTORY OF REPLACEMENT-2

    Check the module manufacturing date recorded during the replacement of all the 12 modules.

    Is it more than 17 months from the date of manufacture?

    YES 

    Replace all of the 12 modules and Li-ion battery controller. Refer to DISASSEMBLY AND ASSEMBLY (Module) or DISASSEMBLY AND ASSEMBLY (Li-ion battery controller).

    NO 

    Replace a module including abnormal cell and Li-ion battery controller. Refer to DISASSEMBLY AND ASSEMBLY (Module) or DISASSEMBLY AND ASSEMBLY (Li-ion battery controller).

  4. CHECK THE DATE OF MANUFACTURE OF LI-ION BATTERY

    Check the battery pack assembly manufacturing date included in the module serial number label. For the label location, refer to INSPECTION .

    Is it more than 17 months from the date of manufacture?

    YES 

    Replace all of the 12 modules and Li-ion battery controller. Refer to DISASSEMBLY AND ASSEMBLY (Module) or DISASSEMBLY AND ASSEMBLY (Li-ion battery controller).

    NO 

    Replace a module including abnormal cell and Li-ion battery controller. Refer to DISASSEMBLY AND ASSEMBLY (Module) or DISASSEMBLY AND ASSEMBLY (Li-ion battery controller).