Diagnosis Procedure
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. 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 2
- CHECK SELF DIAGNOSTIC RESULT
Perform "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 3
- CHECK CONNECTOR
- Turn ignition switch OFF.
- Disconnect ABS actuator and electric unit (control unit) connector.
- Check terminals for deformation, disconnection, looseness, etc.
- 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 4
- CHECK ECM AND TCM SELF DIAGNOSTIC RESULT
- Perform "Self Diagnostic Result" mode of "ECM". Refer to CONSULT Function (VQ40DE) or CONSULT Function (VK56VD).
- Perform "Self Diagnostic Result" mode of "TCM". Refer to CONSULT Function (RE5R05A) or CONSULT Function (RE7R01B).
Are self diagnostic results indicated?
YES
Check the corresponding items.
- ECM: Refer to DTC Index (VQ40DE) or DTC Index (VK56VD).
- TCM: Refer to DTC Index (RE5R05A) or DTC Index (RE7R01B).
NO
Replace ABS actuator and electric unit (control unit). Refer to Removal and Installation .