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.

Check Differential Lock Control Unit System
Consult

Perform "Self Diagnostic Result" Of "DIFF LOCK".

Is DTC Detected?

Yes

Check The DTC. Refer To DTC Index (MA248) Or DTC Index (MA241).

No

GO TO STEP 2 .
Check Connector And Terminal
1. Turn The Ignition Switch Off.
2. Disconnect Differential Lock Control Unit Harness Connector.
3. Disconnect ABS Actuator And Electric Unit (Control Unit) Harness Connector.
4. Check The Connector For Disconnection Or Looseness.
5. Check The Pin Terminals For Damage Or Loose Connection With Harness Connector.
Is The Inspection Result Normal?

Yes

GO TO STEP 3 .

No

Repair / Replace Harness, Connector, Or Terminal, Securely Lock The Connector, And GO TO STEP 3 .
Check ABS Actuator And Electric Unit (Control Unit)
Consult
1. Connect Differential Lock Control Unit Harness Connector.
2. Connect ABS Actuator And Electric Unit (Control Unit) Harness Connector.
3. Erase "Self Diagnostic Result" Of "ABS".
4. Turn The Ignition Switch Off.
  NOTE: Wait At Least 10 Seconds After Turning Ignition Switch Off.
5. Start The Engine.
  NOTE: Wait At Least 10 Seconds After Starting The Engine.
6. Perform "Self Diagnostic Result" Of "ABS".
Is DTC "C1187" Or "U1000" Detected?

Yes

GO TO STEP 1 .

Yes

Refer To Diagnosis Procedure .

No

Inspection End.