Nissan Sentra B18 (2020-2025) Service Manual: B2231-16 Battery Voltage

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)		DTC detected condition
B2231-16	Battery voltage (Battery voltage)		Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	Battery power supply
			Threshold	8 V or less
			Diagnosis delay time	—

POSSIBLE CAUSE

• Combination meter

• Harness or connectors

• Charging system

FAIL-SAFE

—

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 B2231-16 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. CHECK BATTERY

   1. Check battery. Refer to Work Flow.

   Is the inspection result normal?

   YES >>

   GO TO 2.

   NO >>

   Repair or replace the malfunctioning parts.

2. CHECK CHARGING SYSTEM

   1. Check charging system condition. Refer to Work Flow (With 165-DSS-5000P) or Work Flow (Without 165-DSS-5000P).

   Is the inspection result normal?

   YES >>

   GO TO 3.

   NO >>

   Repair or replace the malfunctioning parts.

3. CHECK COMBINATION METER POWER SUPPLY CIRCUIT

   1. Check combination meter power supply circuit. Refer to Diagnosis Procedure.

   Is the inspection result normal?

   YES >>

   Replace combination meter. Refer to Removal and Installation.

   NO >>

   Repair or replace the malfunctioning parts.