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

Nissan Sentra B18 (2020-2025) Service Manual / Steering / Steering Control System :: Symptom Diagnosis / Eps Warning Lamp Does Not Turn Off / 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
1. Perform the trouble diagnosis of EPS warning lamp. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair or replace the specific malfunctioning part.
CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
1. Perform the trouble diagnosis of EPS control unit power supply and ground. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO >>
Repair or replace the specific malfunctioning part.

Steering Wheel Turning Force Is Heavy or Light

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