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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 123 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P31A9: Can Error >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.

  1. CHECK DTC PRIORITY

    If DTC P31A9 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
      P31A9 "MOTOR CONTROL" only
      • Traction motor inverter
      • Li-ion battery controller
      "EV/HEV" only
      • HPCM
      • Li-ion battery controller
      • "MOTOR CONTROL"
      • "EV/HEV"
      Li-ion battery controller

    Replace malfunctioning part corresponding to the control module detecting DTC P31A9.