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

Nissan Sentra B18 (2020-2025) Service Manual / Body Interior / Seat :: Symptom Diagnosis / Heated Seat Does Not Operate / Diagnosis Procedure

Diagnosis Procedure

CHECK HEATED SEAT RELAY
1. Check heated seat relay.
  
  Refer to Component Function Check (LH) or Component Function Check (RH).
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning parts.
CHECK CUSHION HEATER
1. Check cushion heater.
  
  Refer to Component Function Check (LH) or Component Function Check (RH).
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace the malfunctioning parts.
CHECK SEAT HEATER (BACK)
1. Check seat heater (back).
  
  Refer to Component Function Check (LH) or Component Function Check (RH).
Is the inspection result normal?
YES >>
GO TO 4.
NO >>
Repair or replace the malfunctioning parts.
REPLACE A/C AUTO AMP. OR A/C AMP.
1. Replace A/C auto amp. (with auto A/C) or A/C amp. (with manual A/C). Refer to Removal and Installation (with auto A/C) or Removal and Installation (with manual A/C).
Is the inspection result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

Heated Seat Does Not Operate

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High Mode of Heated Seat Does Not Operate

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