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.
- 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 .
- PERFORM All DTC READING
With CONSULT
- Perform "All DTC Reading".
- 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.