Nissan Sentra B18 (2020-2025) Service Manual: B132a External Usb

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Display Audio Without Bose with 8" Color Display / Dtc/circuit Diagnosis / B132a External Usb

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)		DTC detection condition
B132A–13	External USB (USB)	[OPEN]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	—
			Threshold	–
			Diagnosis delay time	30 seconds or more
B132A–01		[–]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	—
			Threshold	–
			Diagnosis delay time	30 seconds or more
B132A–49		[–]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	—
			Threshold	–
			Diagnosis delay time	30 seconds or more

POSSIBLE CAUSE

USB harness is not connected
Harness or connector
AV control unit

FAIL-SAFE

USB 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 B132A detected?
YES>>
Refer 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

DETERMINE MALFUNCTION TYPE
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 B132A–01, 13 or 49 detected?
YES>>
13 [OPEN] – GO TO 2.
YES>>
01 [–], or 49 [–] – GO TO 3.
NO>>
Refer to Intermittent Incident.

CHECK USB CIRCUITS FOR OPEN

Ignition switch OFF.
Disconnect AV control unit connector and front auxiliary input jacks control unit connector.

Check continuity between AV control unit connector and front auxiliary input jacks control unit connector.

AV control unit		Front auxiliary input jacks control unit		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M114	61	M117	5	Yes
M114	65	M117	9	Yes

Is the inspection result normal?

YES >>

Replace AV control unit. Refer to Removal and Installation.

NO >>

Repair or replace harness or connectors.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN
1. CONSULT
  1. Ignition switch ON.
  2. Erase DTC.
  3. Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
Is DTC U132A-01 or U132A-49 detected again?
YES >>
Replace AV control unit. Refer to Removal and Installation.
NO >>
Inspection End.

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