Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / B2010-1c Battery Voltage

Nissan Sentra B18 (2020-2025) Service Manual: B2010-1c Battery Voltage

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC Detection Condition
B2010–1C	Battery voltage (Battery voltage)	Diagnosis condition	All times
		Signal (terminal)	Intelligent Key unit battery power supply signal
		Threshold	Less than 4 V or more than 16 V
		Diagnosis delay time	—

POSSIBLE CAUSE

Harness or connector (power supply circuit)
Intelligent Key unit
Battery

FAIL-SAFE

—

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Erase DTC.
  2. Ignition switch OFF.
  3. Select “Self Diagnostic Result” of “HANDS FREE MODULE”.
Is DTC 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

CHECK BATTERY VOLTAGE
1. Measure the battery voltage. Refer to Work Flow.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Replace battery.
CHECK POWER SUPPLY CIRCUIT
1. Check Intelligent Key unit power supply circuit. Refer to Diagnosis Procedure.
Is the circuit normal?
YES >>
Replace Intelligent Key unit. Refer to Removal and Installation.
NO >>
Repair the malfunctioning part.

 B2002-43 Intelligent Key Unit

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 B203d-14 Inside Antenna

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