Nissan Sentra B18 (2020-2025) Service Manual: B2205-29 Vehicle Speed

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)		DTC detected condition
B2205-29	SPEED METER (Speed meter)		Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	Nissan Sentra Vehicle speed display signal
			Threshold	An abnormal Nissan Sentra vehicle speed signal is input from ECM
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• ECM

• ABS actuator and electric unit (control unit)

• Wheel sensor

FAIL-SAFE

Reset to zero of the speedometer 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 B2205-29 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>>

   GO TO 2.

2. PERFORM SELF DIAGNOSTIC RESULT OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

   1. CONSULT

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

   Is DTC detected?

   YES >>

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

   NO >>

   Inspection End.