Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual / Steering / Steering Control System :: Dtc/circuit Diagnosis / Eps Warning Lamp / Diagnosis Procedure

Diagnosis Procedure

PERFORM SELF DIAGNOSTIC RESULT
1. CONSULT
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “EPS/DAST 3”.
Is any DTC detected?
YES>>
Check the DTC. Refer to DTC Index.
NO>>
GO TO 2.
CHECK EPS WARNING LAMP SIGNAL
1. CONSULT
  1. Ignition switch ON.
  2. Select “WARNING LAMP” in “Data Monitor” mode of “EPS/DAST 3”.
  3. Check that the “Data Monitor” item is ON.
    
    CAUTION:
    
    Engine should not be running for step 3.
  4. Start the engine.
    
    CAUTION:
    
    Never drive the Nissan Sentra vehicle during the test.
  5. Check that the “Data Monitor” item is OFF.
Is the inspection result normal?
YES >>
Perform the trouble diagnosis for combination meter power supply circuit. Refer to Diagnosis Procedure (with Type A meter) or Diagnosis Procedure (with Type B meter).
NO >>
EPS control unit is malfunctioning. Replace steering gear column assembly. Refer to Removal and Installation.

Component Function Check

Component Function Check CHECK THE ILLUMINATION OF THE EPS WARNING LAMP Ignition switch ON. ...

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