Nissan Rogue (T33) 2021-Present Service Manual: P1805 Brake Switch

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P1805 Brake Switch

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P1805 00

BRAKE SW/CIRCUIT

(Brake switch/circuit) 		Diagnosis condition —
Signal (terminal) CAN communication signal
Threshold A stop lamp switch signal is not sent to ECM while the Nissan Ariya vehicle is driving
Diagnosis delay time —

POSSIBLE CAUSE

Stop lamp switch (BCM)

FAIL-SAFE

Engine Control System

Not applicable

Stop/Start System

When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited.

When ECM detects error while operating the stop/start system, ECM restarts the engine.

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON.

  2. Fully depress the brake pedal for at least 5 seconds.

  3. Erase the DTC.

  4. Check 1st trip DTC.

Is 1st trip DTC detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

PERFORM BCM DIAGNOSIS

Perform BCM diagnosis. Refer to DTC Index.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace error-detected parts.

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