Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2c40-95 Power Window Main Switch

DTC Description

NOTE:

When the ignition switch is placed ON, the DTC may be detected. If it has been detected due to previous error/operation, erase the history once and check if the DTC is detected again.

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
B2C40-95

Power window main switch

(Main power window and door mirror switch)
Diagnosis condition Ignition switch OFF (auto ACC status) or ON.
Signal (terminal) LIN communication signal.
Threshold BCM cannot LIN communicate with the power window main switch.
Diagnosis delay time 2 seconds or less.

POSSIBLE CAUSE

  • LIN communication line

  • Power window main switch

  • BCM

FAIL SAFE

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

When DTC "B2C40-95" is displayed together with DTC "B2C40-04", perform the diagnosis of DTC "B2C40-04" first.

Is applicable DTC detected?

YES>>

Refer to DTC Description.

NO>>

GO TO 2.

CHECK SELF-DIAG RESULT

CONSULT

  1. Ignition switch ON.

  2. Select “Self Diagnostic Result” mode of “BCM”.

Is DTC detected?

YES-1>>

CRNT: Refer to DTC Diagnosis Procedure.

YES-2>>

PAST: GO TO 3.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: Inspection End.

CHECK OPERATION

Check that power window main switch operates properly.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to DTC Diagnosis Procedure.

DTC Diagnosis Procedure

CHECK DTC PRIORITY

When DTC "B2C40-95" is displayed together with DTC "B2C40-04", perform the diagnosis of DTC "B2C40-04" first.

Is applicable DTC detected?

YES>>

Refer to DTC Description.

NO>>

GO TO 2.

CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT

Check power window main switch power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection resulr normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK LIN COMMUNICATION CIRCUIT

Check LIN communication circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

Replace power window main switch. Refer to Removal and Installation.

NO>>

Repair or replace the malfunctioning parts.

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