Nissan Sentra B18 (2020-2025) Service Manual: B2267-29 Engine Speed

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)		DTC detected condition
B2267-29	TACHO METER (Tacho meter)		Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	Engine speed signal
			Threshold	ECM continuously transmits abnormal engine speed signals
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

Crankshaft position sensor (POS)

FAIL-SAFE

Reset to zero of the tachometer by suspending communication.

Confirmation Procedure

Confirmation Procedure

1. PERFORM DTC CONFIRMATION PROCEDURE

   1. CONSULT

      1. Ignition switch ON.

      2. Select “Self Diagnostic Result” mode of “METER/M&A”.

   Is DTC B2267-29 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

1. PERFORM SELF DIAGNOSTIC RESULT OF ECM

   1. CONSULT

      Select “Self Diagnostic Result” mode of “ENGINE”.

   Is DTC detected?

   YES >>

   Perform diagnosis procedure on the detected DTC. Refer to DTC Index.

   NO >>

   Inspection End.