Nissan Sentra B18 (2020-2025) Service Manual / Electrical & Power Control / Body Control System :: Dtc/circuit Diagnosis / B2c95-64 Combination Switch

Nissan Sentra B18 (2020-2025) Service Manual: B2c95-64 Combination Switch

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC Detection Condition
B2C95-64	Combination switch (Combination switch)	Diagnosis condition	Ignition switch OFF (auto ACC status)
		Signal (terminal)	Combination switch signal
		Threshold	BCM detects the combination switch check diode positions stuck at ON for 2 seconds or more
		Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

Harness or connector (combination switch circuit is shorted to battery)
Combination switch
BCM

FAIL-SAFE

Headlamp ON (low beam)

Dtc Confirmation Procedure

DTC Confirmation Procedure

DTC CONFIRMATION
1. CONSULT
  1. Erase DTC.
  2. Ignition switch OFF.
  3. Select “Self Diagnostic Result” mode of "BCM", when 2 seconds or more has passed after the ignition switch is placed OFF (auto ACC status).
Is DTC detected?
YES >>
Refer to DTC Diagnosis Procedure.
NO >>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO >>
Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

CHECK COMBINATION SWITCH SYSTEM SYMPTOMS
1. Perform COMBINATION SWITCH SYSTEM SYMPTOMS. Refer to Symptom Table.
>>
Inspection End.

 B2c95-01 Combination Switch

Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC Detection Condition B2C95-01 Combination switch (Combination swi...

 U0073-00 Control Module Comm Bus a Off

Dtc Description DTC Description DESCRIPTION CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Sentra vehicle multiplex ...

Other materials:

Fuses
The Nissan Sentra uses four different types of fuses to protect the electrical circuits from overload and short circuits. Each fuse type is designed for a specific fuse box location and electrical load. Type A fuses are used exclusively in the passenger compartment fuse box and are design ...

Optical Sensor Circuit
Component Function Check Component Function Check CHECK OPTICAL SENSOR SIGNAL Ignition switch ON. Turn lighting switch AUTO. With the optical sen ...

Clutch Point Learning
Description Description TCM memorizes a clutch point (engagement timing), and this enables accurate control. For work procedure, refer to Work Procedure. Work Procedure Work Procedure CLUTCH POINT LEARNING With CONSULT Start the engine. ...