Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000012SET
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 - 06/2017]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: B15C3; Speaker Output Short; 2018 MY Camry [03/2017 - 06/2017]

DTC

B15C3

Speaker Output Short

DESCRIPTION

This DTC is stored when a malfunction occurs in the speakers.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15C3

Speaker Output Short

A short is detected in the speaker output circuit
  • Harness or connector
  • Speaker
  • Radio and display receiver assembly
  • DCM (telematics transceiver)*
  • *: w/ Manual (SOS) Switch

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

    Click here 2018 MY Camry [03/2017 - 06/2017]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PRECAUTION

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.
  • Before replacing the DCM (telematics transceiver), refer to Registration.

    Click here 2018 - 2019 MY Camry [03/2017 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION

PROCEDURE

1.

CHECK MODEL

(a) Choose the model to be inspected.

Result

Proceed to

w/ Manual (SOS) Switch

A

w/o Manual (SOS) Switch

B
B

GO TO STEP 4

A

2.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY, DCM (TELEMATICS TRANSCEIVER) OR SPEAKERS - BODY GROUND)

(a) Disconnect the K4 radio and display receiver assembly connector.

(b) Disconnect the K12 DCM (telematics transceiver) connector.

(c) Disconnect the K7 and K8 front No. 2 speaker assembly connectors.

(d) Disconnect the Q1 and P1 rear speaker assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K4-1 (FR+) or K12-2 (SPI+) - Body ground

Always

10 kΩ or higher

K4-6 (FR-) or K12-3 (SPI-) - Body ground

Always

10 kΩ or higher

K4-2 (FL+) or K8-4 (TWL+) - Body ground

Always

10 kΩ or higher

K4-7 (FL-) or K8-2 (TWL-) - Body ground

Always

10 kΩ or higher

K4-4 (RR+) or P1-1 - Body ground

Always

10 kΩ or higher

K4-9 (RR-) or P1-2 - Body ground

Always

10 kΩ or higher

K4-3 (RL+) or Q1-1 - Body ground

Always

10 kΩ or higher

K4-8 (RL-) or Q1-2 - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) OR SPEAKER - BODY GROUND)

(a) Disconnect the K12 DCM (telematics transceiver) connector.

(b) Disconnect the K7 front No. 2 speaker assembly RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K12-5 (SPO+) or K7-4 (TWR+) - Body ground

Always

10 kΩ or higher

K12-6 (SPO-) or K7-2 (TWR-) - Body ground

Always

10 kΩ or higher
OK

GO TO STEP 5

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY OR SPEAKERS - BODY GROUND)

(a) Disconnect the K4 radio and display receiver assembly connector.

(b) Disconnect the K7 and K8 front No. 2 speaker assembly connectors.

(c) Disconnect the Q1 and P1 rear speaker assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K4-1 (FR+) or K7-4 (TWR+) - Body ground

Always

10 kΩ or higher

K4-6 (FR-) or K7-2 (TWR-) - Body ground

Always

10 kΩ or higher

K4-2 (FL+) or K8-4 (TWL+) - Body ground

Always

10 kΩ or higher

K4-7 (FL-) or K8-2 (TWL-) - Body ground

Always

10 kΩ or higher

K4-4 (RR+) or P1-1 - Body ground

Always

10 kΩ or higher

K4-9 (RR-) or P1-2 - Body ground

Always

10 kΩ or higher

K4-3 (RL+) or Q1-1 - Body ground

Always

10 kΩ or higher

K4-8 (RL-) or Q1-2 - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

5.

CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY OR FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND)

(a) Disconnect the N1 and O1 front No. 1 speaker assembly connectors.

(b) Disconnect the K7 and K8 front No. 2 speaker assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N1-2 or K7-3 (+) - Body ground

Always

10 kΩ or higher

N1-1 or K7-1 (-) - Body ground

Always

10 kΩ or higher

O1-2 or K8-3 (+) - Body ground

Always

10 kΩ or higher

O1-1 or K8-1 (-) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

6.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) Remove the front No. 1 speaker assembly.

Click here 2018 - 2019 MY Camry [03/2017 - 09/2019]; AUDIO / VIDEO: FRONT DOOR SPEAKER: REMOVAL

(b) Inspect the front No. 1 speaker assembly.

Click here 2018 MY Camry [03/2017 - 06/2017]; AUDIO / VIDEO: FRONT DOOR SPEAKER: INSPECTION

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

OK

7.

INSPECT REAR SPEAKER ASSEMBLY

(a) Remove the rear speaker assembly.

Click here 2018 - 2024 MY Camry [03/2017 -        ]; AUDIO / VIDEO: REAR DOOR SPEAKER: REMOVAL

(b) Inspect the rear speaker assembly.

Click here 2018 MY Camry [03/2017 - 06/2017]; AUDIO / VIDEO: REAR DOOR SPEAKER: INSPECTION

Result

Proceed to

OK (w/o Manual (SOS) Switch)

A

OK (w/ Manual (SOS) Switch)

B

NG

C
B

GO TO STEP 9

C

REPLACE REAR SPEAKER ASSEMBLY

A

8.

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

(a) Remove the front No. 2 speaker assembly.

Click here 2018 - 2024 MY Camry [03/2017 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL

(b) Inspect the front No. 2 speaker assembly.

Click here 2018 MY Camry [03/2017 - 06/2017]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: INSPECTION

(c) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(d) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END
NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

9.

INSPECT DCM (TELEMATICS TRANSCEIVER)

(a) Remove the DCM (telematics transceiver).

Click here 2018 - 2019 MY Camry [03/2017 - 09/2019]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

2 (SPI+) - 5 (SPO+)

Always

Below 1 Ω

3 (SPI-) - 6 (SPO-)

Always

Below 1 Ω

2 (SPI+) - 3 (SPI-)

Always

10 kΩ or higher

5 (SPO+) - 6 (SPO-)

Always

10 kΩ or higher

2 (SPI+) or 5 (SPO+) - Body ground

Always

10 kΩ or higher

3 (SPI-) or 6 (SPO-) - Body ground

Always

10 kΩ or higher

*a

Component without harness connected

(DCM (Telematics Transceiver))
NG

REPLACE DCM (TELEMATICS TRANSCEIVER)

OK

10.

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

(a) Remove the front No. 2 speaker assembly.

Click here 2018 - 2024 MY Camry [03/2017 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL

(b) Inspect the front No. 2 speaker assembly.

Click here 2018 MY Camry [03/2017 - 06/2017]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: INSPECTION

(c) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(d) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END
NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY