Diagnosis Procedure

CHECK REAR DOOR SPEAKER CIRCUIT FOR OPEN

Turn ignition switch OFF.
Disconnect BOSE amp. harness connector and rear door speaker LH or RH harness connector.

Check the continuity between BOSE amp. harness connector and rear door speaker LH or RH harness connector.

REAR DOOR SPEAKER LH

BOSE amp.		Rear door speaker LH		Continuity
Connector	Terminal	Connector	Terminal	Continuity
B53	5	D39	1	Existed
B53	6	D39	2	Existed

REAR DOOR SPEAKER RH

BOSE amp.		Rear door speaker RH		Continuity
Connector	Terminal	Connector	Terminal	Continuity
B53	14	D48	1	Existed
B53	9	D48	2	Existed

Is the inspection result normal?

YES

GO TO STEP 2 .

NO

Repair or replace malfunctioning parts.

CHECK REAR DOOR SPEAKER CIRCUIT FOR SHORT TO GROUND

Check the continuity between rear door speaker LH or RH harness connector and ground.

REAR DOOR SPEAKER LH

Terminals			Continuity
(+)		(-)
Rear door speaker LH
Connector	Terminal
D39	1	Ground	Existed
D39	2	Ground	Existed

REAR DOOR SPEAKER RH

Terminals			Continuity
(+)		(-)
Rear door speaker RH
Connector	Terminal
D48	1	Ground	Existed
D48	2	Ground	Existed

Is the inspection result normal?

YES

GO TO STEP 3 .

NO

Repair or replace malfunctioning parts.

CHECK REAR DOOR SPEAKER CIRCUIT FOR SHORT TO POWER SUPPLY

Turn ignition switch ON.
Check the voltage between rear door speaker LH or RH harness connector and ground.

REAR DOOR SPEAKER LH

Terminals			Voltage (Approx.)
(+)		(-)
Rear door speaker LH
Connector	Terminal
D39	1	Ground	0 V
D39	2	Ground	0 V

REAR DOOR SPEAKER RH

Terminals			Voltage (Approx.)
(+)		(-)
Rear door speaker RH
Connector	Terminal
D48	1	Ground	0 V
D48	2	Ground	0 V

Is the inspection result normal?

YES

Replace rear door speaker LH or RH. Refer to REMOVAL AND INSTALLATION .

NO

Repair or replace malfunctioning parts.