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.

CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on ITS CAN communication circuit.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal?

YES

GO TO STEP 2 .

NO

Repair the terminal and connector.

CHECK ADAS CONTROL UNIT TERMINATION CIRCUIT

Remove the ADAS control unit.

Check the resistance between the ADAS control unit terminals.

ADAS control unit		Resistance (Ω)
Terminal No.
2	18	Approx. 108 - 132
5	6	Approx. 108 - 132

Is the measurement value within the specification?

YES

GO TO STEP 3 .

Replace the ADAS control unit.

CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the "Symptom (Results from interview with customer)" are reproduced.

Inspection result

Reproduced

GO TO STEP 4 .

NO

Start the diagnosis again. Follow the trouble diagnosis procedure when past error is detected.
CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect one of the unit connectors of ITS CAN communication circuit.
  NOTE: ADAS control unit has two termination circuits. Check other units first.
4. Connect the battery cable to the negative terminal. Check if the symptoms described in the "Symptom (Results from interview with customer)" are reproduced.
  NOTE: Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result

Reproduced

Connect the connector. Check other units as per the above procedure.

NO

Replace the unit whose connector was disconnected.