Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Display Audio with 7" Color Display / Dtc/circuit Diagnosis / U1300 Av Communication Circuit

Nissan Sentra B18 (2020-2025) Service Manual: U1300 Av Communication Circuit

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
U1300-01	AV communication circuit (AV communication circuit)	Diagnosis condition	When ignition switch is ON.
		Signal (terminal)	—
		Threshold	—
		Diagnosis delay time	—

POSSIBLE CAUSE

AV communication circuit
AV control unit
Combination meter

FAIL-SAFE

AV communication is inoperative.

Dtc Confirmation Procedure

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Ignition switch ON.
  2. Ignition switch OFF and wait at least 30 seconds.
  3. Ignition switch ON and wait at least 30 seconds or more.
  4. Select “Self Diagnostic Result” mode of “MULTI AV”.
  5. Check DTC.
Is DTC U1300–01 detected?
YES>>
Proceed to DTC Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirmation after repair: Inspection End.

Diagnosis Procedure

Diagnosis Procedure

CHECK SELF DIAGNOSTIC RESULT
1. Check if any DTC other than “U1300–01” is detected in “Self diagnostic result” mode of “MULTI AV”.
Is any DTC detected?
YES >>
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.
NO >>
Replace AV control unit. Refer to Removal and Installation

 U0079 Control Module Comm Bus G Off

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 Power Supply and Ground Circuit

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Other materials:

Removal and Installation
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Dtc Index
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License Plate Lamp Circuit
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