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 / B130b Rear Rh Speaker

Nissan Sentra B18 (2020-2025) Service Manual: B130b Rear Rh Speaker

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)		DTC detection condition
B130B–13	Rear RH speaker (Rear speaker RH)	[OPEN]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RR SP RH+ (terminal 13) RR SP RH− (terminal 14)
			Threshold	–
			Diagnosis delay time	30 seconds or more
B130B–1C		[SHORT]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RR SP RH+ (terminal 13) RR SP RH− (terminal 14)
			Threshold	–
			Diagnosis delay time	30 seconds or more
B130B–11		[GND–SHORT]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RR SP RH+ (terminal 13) RR SP RH− (terminal 14)
			Threshold	–
			Diagnosis delay time	30 seconds or more
B130B–12		[VB–SHOR]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RR SP RH+ (terminal 13) RR SP RH− (terminal 14)
			Threshold	–
			Diagnosis delay time	30 seconds or more

POSSIBLE CAUSE

RR SP RH+ open, short, short to ground, short to voltage
RR SP RH− open, short, short to ground, short to voltage
Rear speaker RH
AV control unit

FAIL-SAFE

Rear speaker RH 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 B130B 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

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 B130B–11, 12, 13 or 1C detected?
YES>>
13 [OPEN], or 11 [GND–SHORT] – GO TO 2.
YES>>
1C [SHORT] – GO TO 3.
YES>>
12 [VB–SHOR] – GO TO 4.
NO>>
Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

Ignition switch OFF.
Disconnect AV control unit connector and rear speaker RH connector.

Check the continuity between AV control unit connector and rear speaker RH connector.

AV control unit		Rear speaker RH		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M103	13	B38	1	Yes
M103	14	B38	2	Yes

Check the continuity between AV control unit connector and ground.

AV control unit		—	Continuity
Connector	Terminal	—	Continuity
M103	13	Ground	No
M103	14	Ground	No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

Ignition switch OFF.
Disconnect AV control unit connector and rear speaker RH connector.

Check the continuity between the terminals of AV control unit connector.

AV control unit			Continuity
Connector	Terminal		Continuity
M103	13	14	No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

Ignition switch OFF.
Disconnect AV control unit connector and rear speaker RH connector.
Ignition switch ON.

Check the voltage between AV control unit connector and ground.

AV control unit	—	Voltage (Approx.)
M103	13	Ground	0 V
14

AV control unit

—

Voltage

(Approx.)

Connector

Terminal

M103

Ground

0 V

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK REAR RH SPEAKER SIGNAL

Connect AV control unit connector and rear speaker RH connector.
Ignition switch ON.
AV control unit ON.

Check signal between the terminals of AV control unit connector.

AV control unit			Condition
Connector	(+)	(−)
Connector	Terminals
M103	13	14	Audio signal output

Is the inspection result normal?

YES>>

Replace rear speaker RH. Refer to Removal and Installation.

NO>>

Replace AV control unit. Refer to Removal and Installation.

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