Diagnostic Test

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.

PERFORM HPCM SELF-DIAGNOSIS

With CONSULT
1. Turn the ignition switch ON.
2. Perform self-diagnosis for "EV / HEV".
Is any DTC detected?

YES

Check the DTC. Refer to DTC INDEX .

NO

GO TO STEP 2 .

PERFORM SELF-DIAGNOSIS

With CONSULT
1. Turn the ignition switch ON.
2. Erase self - diagnosis for "EPS/DAST 3".
3. Turn the ignition switch OFF and wait for at least 10 seconds.
4. Turn the ignition switch ON.
5. Perform self-diagnosis for "EPS/DAST 3".
Is DTC "C13C8 - 00" detected?

YES

GO TO STEP 3 .

NO
- Check enlarged contact spring of terminal. Refer to HOW TO CHECK TERMINAL .
- Perform intermittent incident while turning steering wheel. Refer to INTERMITTENT INCIDENT .

CHECK TERMINAL
1. Turn the ignition switch OFF.
2. Disconnect steering force control module harness connector and then check steering force control module pin terminals for damage or loose connection with harness connector.
3. Disconnect HPCM harness connector and then check HPCM pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

Replace steering force control module. Refer to REMOVAL AND INSTALLATION .

NO

Repair or replace error - detected part.