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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P31A7: Can Error >> Diagnosis Procedure

Diagnosis Procedure

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 DTC PRIORITY

    If DTC P31A7 is displayed with DTC UXXXX, first perform the confirmation procedure (trouble diagnosis) for UXXXX.

    Is applicable DTC detected?

    YES 

    Perform diagnosis of applicable. Refer to DTC INDEX .

    NO 

    GO TO STEP 2  .

  2. PERFORM All DTC READING

    G-20 With CONSULT

    1. Perform "All DTC Reading".
    2. Check diagnosis results.
      DTC No. DTC detection control module Malfunctioning part
      P31A7 "EV/HEV" only
      • HPCM
      • Traction motor inverter
      "HV BATTERY" only Li-ion battery controller
      • "EV/HEV"
      • "HV BATTERY"
      		 Traction motor inverter

    Replace malfunctioning part corresponding to the control module detecting DTC P31A7.

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