Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHECK
Check if the vehicle jerks during VDC/TCS/ABS control.

Is the inspection result normal?

YES

Inspection End.

NO

GO TO STEP 2
CHECK SELF DIAGNOSTIC RESULT
Select "Self Diagnostic Result" mode of "ABS". Refer to CONSULT Function (ABS) .

Are self diagnostic results indicated?

YES

Check corresponding items, make repairs, and perform ABS Actuator And Electric Unit (Control Unit) self diagnostic result again. Refer to CONSULT Function (ABS) .

NO

GO TO STEP 3
CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect ABS Actuator And Electric Unit (Control Unit) connector.
3. Check terminals for deformation, disconnection, looseness, etc.
4. Securely connect connector and perform "Self Diagnostic Result" mode of "ABS". Refer to CONSULT Function (ABS) .
Are self diagnostic results indicated?

YES

If poor contact, damage, open or short circuit of connector terminal is found, repair or replace.

NO

GO TO STEP 4
CHECK ECM AND TCM SELF DIAGNOSTIC RESULT
1. Select "Self Diagnostic Result" mode of "ECM". Refer to CONSULT Function (Cummins 5.0L) or CONSULT Function (VK56VD).
2. Select "Self Diagnostic Result" mode of "TCM". Refer to CONSULT Function (RE6R01A) or CONSULT Function (RE7R01B).
Are self diagnostic results indicated?

YES

Check the corresponding items.
- ECM: Refer to DTC Index (Cummins 5.0L) or DTC Index (VK56VD).
- TCM: Refer to DTC Index (RE6R01A) or DTC Index (RE7R01B).
NO

Replace ABS Actuator And Electric Unit (Control Unit). Refer to Removal and Installation .