DTC B15C3-71: Speaker Output Short Actuator Stuck [10/2022 - ]: Procedure

CHECK VEHICLE TYPE

Check the vehicle type.

Result

Result	Proceed to
for 12 Speakers	A
for 23 Speakers	B

Result:

See step 11

Result:

See step 2

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

*1: for RH Side
*2: for LH Side

*3: w/ Manual (SOS) Switch

Disconnect the L52 stereo component amplifier assembly connector.
Disconnect the H1*1 and/or H19*2 front No. 1 speaker assembly connector.
Disconnect the G69*1 and/or G70*2 front No. 2 speaker assembly connector.
Disconnect the G50 front No. 3 speaker assembly connector.
Disconnect the K11*1 and/or K25*2 rear speaker assembly connector.
Disconnect the K10*1 and/or K24*2 rear No. 2 speaker assembly connector.
Disconnect the L15 rear No. 3 speaker assembly connector.
Disconnect the G165 DCM (telematics transceiver) connector.*3

Measure the resistance according to the value(s) in the table below.

Standard Resistance

FOR RH SIDE

Tester Connection	Condition	Specified Condition
L52-5 (WFR+) - H1-2 (+)	Always	Below 1 Ω
L52-20 (WFR-) - H1-1 (-)	Always	Below 1 Ω
L52-13 (FR+) - G165-1 (SPI+)*1	Always	Below 1 Ω
L52-28 (FR-) - G165-2 (SPI-)*1	Always	Below 1 Ω
G165-3 (SPO+) - G69-2 (+)*1	Always	Below 1 Ω
G165-4 (SPO-) - G69-1 (-)*1	Always	Below 1 Ω
L52-13 (FR+) - G69-2 (+)*2	Always	Below 1 Ω
L52-28 (FR-) - G69-1 (-)*2	Always	Below 1 Ω
L52-9 (TWR+) - K10-3 (+TW)	Always	Below 1 Ω
L52-24 (TWR-) - K10-1 (-TW)	Always	Below 1 Ω
K10-4 (+) - K11-2 (+)	Always	Below 1 Ω
K10-2 (-) - K11-1 (-)	Always	Below 1 Ω
L52-5 (WFR+) - Body ground	Always	10 kΩ or higher
L52-20 (WFR-) - Body ground	Always	10 kΩ or higher
L52-13 (FR+) - Body ground	Always	10 kΩ or higher
L52-28 (FR-) - Body ground	Always	10 kΩ or higher
G165-3 (SPO+) - Body ground	Always	10 kΩ or higher
G165-4 (SPO-) - Body ground	Always	10 kΩ or higher
L52-9 (TWR+) - Body ground	Always	10 kΩ or higher
L52-24 (TWR-) - Body ground	Always	10 kΩ or higher
K10-4 (+) - Body ground	Always	10 kΩ or higher
K10-2 (-) - Body ground	Always	10 kΩ or higher

*1: w/ Manual (SOS) Switch

*2: w/o Manual (SOS) Switch

FOR LH SIDE

Tester Connection	Condition	Specified Condition
L52-4 (WFL+) - H19-2 (+)	Always	Below 1 Ω
L52-19 (WFL-) - H19-1 (-)	Always	Below 1 Ω
L52-12 (FL+) - G70-2 (+)	Always	Below 1 Ω
L52-27 (FL-) - G70-1 (-)	Always	Below 1 Ω
L52-8 (TWL+) - K24-3 (+TW)	Always	Below 1 Ω
L52-23 (TWL-) - K24-1 (-TW)	Always	Below 1 Ω
K24-4 (+) - K25-2 (+)	Always	Below 1 Ω
K24-2 (-) - K25-1 (-)	Always	Below 1 Ω
L52-4 (WFL+) - Body ground	Always	10 kΩ or higher
L52-19 (WFL-) - Body ground	Always	10 kΩ or higher
L52-12 (FL+) - Body ground	Always	10 kΩ or higher
L52-27 (FL-) - Body ground	Always	10 kΩ or higher
L52-8 (TWL+) - Body ground	Always	10 kΩ or higher
L52-23 (TWL-) - Body ground	Always	10 kΩ or higher
K24-4 (+) - Body ground	Always	10 kΩ or higher
K24-2 (-) - Body ground	Always	10 kΩ or higher

FOR CENTER SIDE

Tester Connection	Condition	Specified Condition
L52-7 (CTR+) - G50-2 (+)	Always	Below 1 Ω
L52-22 (CTR-) - G50-1 (-)	Always	Below 1 Ω
L52-6 (WF1+) - L15-2 (WF1+)	Always	Below 1 Ω
L52-21 (WF1-) - L15-1 (WF1-)	Always	Below 1 Ω
L52-7 (CTR+) - Body ground	Always	10 kΩ or higher
L52-22 (CTR-) - Body ground	Always	10 kΩ or higher
L52-6 (WF1+) - Body ground	Always	10 kΩ or higher
L52-21 (WF1-) - Body ground	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR

Result:

See step 3

INSPECT FRONT NO. 3 SPEAKER ASSEMBLY

Remove the front No. 3 speaker assembly.
Refer to REMOVAL [12/2017 - ]

Inspect the front No. 3 speaker assembly.

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to REMOVAL [12/2017 - ]

Result:

See step 4

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

Remove the front No. 1 speaker assembly.
Refer to REMOVAL [12/2017 - ]

Inspect the front No. 1 speaker assembly.

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to REMOVAL [12/2017 - ]

Result:

See step 5

INSPECT REAR SPEAKER ASSEMBLY

Remove the rear speaker assembly.
Refer to REMOVAL [12/2017 - ]

Inspect the rear speaker assembly.

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE REAR SPEAKER ASSEMBLY. Refer to REMOVAL [12/2017 - ]

Result:

See step 6

INSPECT REAR NO. 3 SPEAKER ASSEMBLY

Remove the rear No. 3 speaker assembly.
Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Inspect the rear No. 3 speaker assembly.

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Result:

See step 7

CHECK VEHICLE TYPE

Check the vehicle type.

Result

Result	Proceed to
w/ Manual (SOS) Switch	A
w/o Manual (SOS) Switch	B

Result:

See step 9

Result:

See step 8

INSPECT DCM (TELEMATICS TRANSCEIVER) (SPO+, SPO-, SPI+, SPI-)

Remove the DCM (telematics transceiver).

Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Component without harness connected (DCM [Telematics Transceiver])

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
3 (SPO+) - 1 (SPI+)	Always	Below 1 Ω
4 (SPO-) - 2 (SPI-)	Always	Below 1 Ω
1 (SPI+) - 2 (SPI-)	Always	10 kΩ or higher
3 (SPO+) - 4 (SPO-)	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Result:

See step 9

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

Replace the front No. 2 speaker assembly with a new or known good one.
Refer to REMOVAL [12/2017 - ]
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

No DTCs are output.

Result

Proceed to
OK
NG

Result:

END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

Result:

See step 10

CHECK REAR NO. 2 SPEAKER ASSEMBLY

Replace the rear No. 2 speaker assembly with a new or known good one.
Refer to REMOVAL [12/2017 - ]
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

No DTCs are output.

Result

Proceed to
OK
NG

Result:

END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

Result:

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

*1: for RH Side
*2: for LH Side

*3: w/ Manual (SOS) Switch

Disconnect the L52 and L54 stereo component amplifier assembly connectors.
Disconnect the H1*1 and/or H19*2 front No. 1 speaker assembly connector.
Disconnect the G69*1 and/or G70*2 front No. 2 speaker assembly connector.
Disconnect the G50 front No. 3 speaker assembly connector.
Disconnect the N20*1 and/or N21*2 roof speaker assembly (front) connector.
Disconnect the K11*1 and/or K25*2 rear speaker assembly connector.
Disconnect the K9*1 and/or K23*2 rear No. 2 speaker assembly (rear door) connector.
Disconnect the N22*1 and/or N23*2 roof speaker assembly (rear) connector.
Disconnect the L13*1 and/or L14*2 rear No. 2 speaker assembly (rear tray) connector.
Disconnect the L15 rear No. 3 speaker assembly connector.
Disconnect the G165 DCM (telematics transceiver) connector.*3

Measure the resistance according to the value(s) in the table below.

Standard Resistance

FOR RH SIDE

Tester Connection	Condition	Specified Condition
L52-5 (WFR+) - H1-2 (+)	Always	Below 1 Ω
L52-20 (WFR-) - H1-1 (-)	Always	Below 1 Ω
L52-13 (FR+) - G165-1 (SPI+)*1	Always	Below 1 Ω
L52-28 (FR-) - G165-2 (SPI-)*1	Always	Below 1 Ω
G165-3 (SPO+) - G69-2 (+)*1	Always	Below 1 Ω
G165-4 (SPO-) - G69-1 (-)*1	Always	Below 1 Ω
L52-13 (FR+) - G69-2 (+)*2	Always	Below 1 Ω
L52-28 (FR-) - G69-1 (-)*2	Always	Below 1 Ω
L52-9 (TWR+) - K9-2 (+)	Always	Below 1 Ω
L52-24 (TWR-) - K9-1 (-)	Always	Below 1 Ω
L54-2 (ROR+) - N20-2 (+)	Always	Below 1 Ω
L54-6 (ROR-) - N20-1 (-)	Always	Below 1 Ω
L52-15 (RR+) - K11-2 (+)	Always	Below 1 Ω
L52-30 (RR-) - K11-1 (-)	Always	Below 1 Ω
L54-4 (R-R+) - N22-2 (+)	Always	Below 1 Ω
L54-10 (R-R-) - N22-1 (-)	Always	Below 1 Ω
L52-11 (SR+) - L13-2 (+)	Always	Below 1 Ω
L52-26 (SR-) - L13-1 (-)	Always	Below 1 Ω
L52-5 (WFR+) - Body ground	Always	10 kΩ or higher
L52-20 (WFR-) - Body ground	Always	10 kΩ or higher
L52-13 (FR+) - Body ground	Always	10 kΩ or higher
L52-28 (FR-) - Body ground	Always	10 kΩ or higher
G165-3 (SPO+) - Body ground	Always	10 kΩ or higher
G165-4 (SPO-) - Body ground	Always	10 kΩ or higher
L52-9 (TWR+) - Body ground	Always	10 kΩ or higher
L52-24 (TWR-) - Body ground	Always	10 kΩ or higher
L54-2 (ROR+) - Body ground	Always	10 kΩ or higher
L54-6 (ROR-) - Body ground	Always	10 kΩ or higher
L52-15 (RR+) - Body ground	Always	10 kΩ or higher
L52-30 (RR-) - Body ground	Always	10 kΩ or higher
L54-4 (R-R+) - Body ground	Always	10 kΩ or higher
L54-10 (R-R-) - Body ground	Always	10 kΩ or higher
L52-11 (SR+) - Body ground	Always	10 kΩ or higher
L52-26 (SR-) - Body ground	Always	10 kΩ or higher

*1: w/ Manual (SOS) Switch

*2: w/o Manual (SOS) Switch

FOR LH SIDE

Tester Connection	Condition	Specified Condition
L52-4 (WFL+) - H19-2 (+)	Always	Below 1 Ω
L52-19 (WFL-) - H19-1 (-)	Always	Below 1 Ω
L52-12 (FL+) - G70-2 (+)	Always	Below 1 Ω
L52-27 (FL-) - G70-1 (-)	Always	Below 1 Ω
L52-8 (TWL+) - K23-2 (+)	Always	Below 1 Ω
L52-23 (TWL-) - K23-1 (-)	Always	Below 1 Ω
L54-1 (ROL+) - N21-2 (+)	Always	Below 1 Ω
L54-5 (ROL-) - N21-1 (-)	Always	Below 1 Ω
L52-14 (RL+) - K25-2 (+)	Always	Below 1 Ω
L52-29 (RL-) - K25-1 (-)	Always	Below 1 Ω
L54-3 (R-L+) - N23-2 (+)	Always	Below 1 Ω
L54-9 (R-L-) - N23-1 (-)	Always	Below 1 Ω
L52-10 (SL+) - L14-2 (+)	Always	Below 1 Ω
L52-25 (SL-) - L14-1 (-)	Always	Below 1 Ω
L52-4 (WFL+) - Body ground	Always	10 kΩ or higher
L52-19 (WFL-) - Body ground	Always	10 kΩ or higher
L52-12 (FL+) - Body ground	Always	10 kΩ or higher
L52-27 (FL-) - Body ground	Always	10 kΩ or higher
L52-8 (TWL+) - Body ground	Always	10 kΩ or higher
L52-23 (TWL-) - Body ground	Always	10 kΩ or higher
L54-1 (ROL+) - Body ground	Always	10 kΩ or higher
L54-5 (ROL-) - Body ground	Always	10 kΩ or higher
L52-14 (RL+) - Body ground	Always	10 kΩ or higher
L52-29 (RL-) - Body ground	Always	10 kΩ or higher
L54-3 (R-L+) - Body ground	Always	10 kΩ or higher
L54-9 (R-L-) - Body ground	Always	10 kΩ or higher
L52-10 (SL+) - Body ground	Always	10 kΩ or higher
L52-25 (SL-) - Body ground	Always	10 kΩ or higher

FOR CENTER SIDE

Tester Connection	Condition	Specified Condition
L52-7 (CTR+) - G50-2 (+)	Always	Below 1 Ω
L52-22 (CTR-) - G50-1 (-)	Always	Below 1 Ω
L52-6 (WF1+) - L15-2 (WF1+)	Always	Below 1 Ω
L52-21 (WF1-) - L15-1 (WF1-)	Always	Below 1 Ω
L52-7 (CTR+) - Body ground	Always	10 kΩ or higher
L52-22 (CTR-) - Body ground	Always	10 kΩ or higher
L52-6 (WF1+) - Body ground	Always	10 kΩ or higher
L52-21 (WF1-) - Body ground	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR

Result:

See step 12

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

Remove the front No. 1 speaker assembly.
Refer to REMOVAL [12/2017 - ]

Inspect the front No. 1 speaker assembly.

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to REMOVAL [12/2017 - ]

Result:

See step 13

INSPECT ROOF SPEAKER ASSEMBLY (FRONT)

Remove the roof speaker assembly (front).
Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Inspect the roof speaker assembly (front).

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE ROOF SPEAKER ASSEMBLY (FRONT). Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Result:

See step 14

INSPECT ROOF SPEAKER ASSEMBLY (REAR)

Remove the roof speaker assembly (rear).
Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Inspect the roof speaker assembly (rear).

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE ROOF SPEAKER ASSEMBLY (REAR). Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Result:

See step 15

INSPECT REAR SPEAKER ASSEMBLY

Remove the rear speaker assembly.
Refer to REMOVAL [12/2017 - ]

Inspect the rear speaker assembly.

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE REAR SPEAKER ASSEMBLY. Refer to REMOVAL [12/2017 - ]

Result:

See step 16

INSPECT REAR NO. 3 SPEAKER ASSEMBLY

Remove the rear No. 3 speaker assembly.
Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Inspect the rear No. 3 speaker assembly.

Refer to INSPECTION [12/2017 - ]

Result

Proceed to
OK
NG

Result:

REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Result:

See step 17

CHECK VEHICLE TYPE

Check the vehicle type.

Result

Result	Proceed to
w/ Manual (SOS) Switch	A
w/o Manual (SOS) Switch	B

Result:

See step 19

Result:

See step 18

INSPECT DCM (TELEMATICS TRANSCEIVER) (SPO+, SPO-, SPI+, SPI-)

Remove the DCM (telematics transceiver).

Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

*a	Component without harness connected (DCM [Telematics Transceiver])

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
3 (SPO+) - 1 (SPI+)	Always	Below 1 Ω
4 (SPO-) - 2 (SPI-)	Always	Below 1 Ω
1 (SPI+) - 2 (SPI-)	Always	10 kΩ or higher
3 (SPO+) - 4 (SPO-)	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Result:

See step 19

CHECK FRONT NO. 2 SPEAKER ASSEMBLY

Replace the front No. 2 speaker assembly with a new or known good one.
Refer to REMOVAL [12/2017 - ]
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

No DTCs are output.

Result

Proceed to
OK
NG

Result:

END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

Result:

See step 20

CHECK FRONT NO. 3 SPEAKER ASSEMBLY

Replace the front No. 3 speaker assembly with a new or known good one.
Refer to REMOVAL [12/2017 - ]
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

No DTCs are output.

Result

Proceed to
OK
NG

Result:

END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

Result:

See step 21

CHECK REAR NO. 2 SPEAKER ASSEMBLY [REAR DOOR]

Replace the rear No. 2 speaker assembly (rear door) with a new or known good one.
Refer to REMOVAL [12/2017 - ]
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

No DTCs are output.

Result

Proceed to
OK
NG

Result:

END (REAR NO. 2 SPEAKER ASSEMBLY [REAR DOOR] IS DEFECTIVE)

Result:

See step 22

CHECK REAR NO. 2 SPEAKER ASSEMBLY [REAR TRAY]

Replace the rear No. 2 speaker assembly (rear tray) with a new or known good one.
Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

No DTCs are output.

Result

Proceed to
OK
NG

Result:

END (REAR NO. 2 SPEAKER ASSEMBLY [REAR TRAY] IS DEFECTIVE)

Result:

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]