Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ73
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15C3; Speaker Output Short; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

DTC

B15C3

Speaker Output Short

DESCRIPTION

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

DTC No.

DTC Detection Condition

Trouble Area

B15C3

A short is detected in the speaker output circuit

  • Harness or connector
  • Speaker
  • Navigation receiver assembly*1
  • Stereo component amplifier assembly*2
  • DCM (telematics transceiver)*3
  • *1: for 6 Speakers
  • *2: for 10 Speakers
  • *3: w/ Safety Connect System

WIRING DIAGRAM

1. for 6 Speakers

2. for 10 Speakers

CAUTION / NOTICE / HINT

NOTICE:

If the DCM (telematics transceiver) has been replaced, perform the DCM Activation procedure using the Techstream (w/ Safety Connect System) (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: PRECAUTION ).

PROCEDURE

1.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Result

Proceed to

for 6 Speakers

A

for 10 Speakers

B

B

GO TO STEP 13

A

2.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Result

Proceed to

w/ Safety Connect System

A

w/o Safety Connect System

B

B

GO TO STEP 7

A

3.

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BODY GROUND)

(a) Disconnect the D57 and D62 navigation receiver assembly connectors.

(b) Disconnect the G8 front No. 2 speaker assembly RH connector.

(c) Disconnect the D73 DCM (telematics transceiver) connector.

(d) Disconnect the D10 front No. 1 speaker assembly LH connector.

(e) Disconnect the L16 and K10 rear speaker assembly connectors.

(f) Measure the resistance between the navigation receiver assembly and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D57-1 (FR+) - Body ground

Always

10 kΩ or higher

D57-5 (FR-) - Body ground

Always

10 kΩ or higher

D57-2 (FL+) - Body ground

Always

10 kΩ or higher

D57-6 (FL-) - Body ground

Always

10 kΩ or higher

D62-1 (RR+) - Body ground

Always

10 kΩ or higher

D62-3 (RR-) - Body ground

Always

10 kΩ or higher

D62-2 (RL+) - Body ground

Always

10 kΩ or higher

D62-6 (RL-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

4.

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

(a) Disconnect the D73 DCM (telematics transceiver) connector.

(b) Disconnect the D81 front No. 1 speaker assembly RH connector.

(c) Measure the resistance between the DCM (telematics transceiver) and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D73-5 (SPO+) - Body ground

Always

10 kΩ or higher

D73-6 (SPO-) - 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 LH - BODY GROUND)

(a) Disconnect the H6 front No. 2 speaker assembly LH connector.

(b) Disconnect the D10 front No. 1 speaker assembly LH connector.

(c) Measure the resistance between the front No. 1 speaker assembly and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D10-1 (+) - Body ground

Always

10 kΩ or higher

D10-3 (-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

6.

INSPECT DCM (TELEMATICS TRANSCEIVER)

(a) Remove the DCM (telematics transceiver).

(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+) - Body ground

Always

10 kΩ or higher

3 (SPI-) - Body ground

Always

10 kΩ or higher

Result

Result

Proceed to

NG

A

OK

B

Text in Illustration

*a

Component without harness connected

(DCM (Telematics Transceiver))

A

REPLACE DCM (TELEMATICS TRANSCEIVER)

B

GO TO STEP 9

7.

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BODY GROUND)

(a) Disconnect the D57 and D62 navigation receiver assembly connectors.

(b) Disconnect the D81 and D10 front No. 1 speaker assembly connectors.

(c) Disconnect the L16 and K10 rear speaker assembly connectors.

(d) Measure the resistance between the navigation receiver assembly and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D57-1 (FR+) - Body ground

Always

10 kΩ or higher

D57-5 (FR-) - Body ground

Always

10 kΩ or higher

D57-2 (FL+) - Body ground

Always

10 kΩ or higher

D57-6 (FL-) - Body ground

Always

10 kΩ or higher

D62-1 (RR+) - Body ground

Always

10 kΩ or higher

D62-3 (RR-) - Body ground

Always

10 kΩ or higher

D62-2 (RL+) - Body ground

Always

10 kΩ or higher

D62-6 (RL-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

8.

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

(a) Disconnect the G8 and H6 front No. 2 speaker assembly connectors.

(b) Disconnect the D81 and D10 front No. 1 speaker assembly connectors.

(c) Measure the resistance between each of the front No. 1 speaker assemblies and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D81-2 (TWR+) - Body ground

Always

10 kΩ or higher

D81-4 (TWR-) - Body ground

Always

10 kΩ or higher

D10-1 (+) - Body ground

Always

10 kΩ or higher

D10-3 (-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

9.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) Remove the front No. 1 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: REMOVAL ).

(b) Inspect the front No. 1 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: INSPECTION+ ).

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

OK

10.

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

(a) Remove the front No. 2 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL ).

(b) Inspect the front No. 2 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: INSPECTION ).

NG

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

OK

11.

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

(a) Replace the front No. 2 speaker assembly with a new or known good one (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL ).

(b) Clear the DTCs (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: DTC CHECK / CLEAR ).

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

OK:

No DTCs are output.

HINT:

  • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
  • When there is a possibility that either the right or left front No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.
  • Perform the above inspection on both the LH and RH side.

Result

Result

Proceed to

DTCs are output

A

No DTCs are output

B

B

END

A

12.

INSPECT REAR SPEAKER ASSEMBLY

(a) Remove the rear speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: QUARTER TRIM SPEAKER: REMOVAL ).

(b) Inspect the rear speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: QUARTER TRIM SPEAKER: INSPECTION+ ).

OK

REPLACE NAVIGATION RECEIVER ASSEMBLY

NG

REPLACE REAR SPEAKER ASSEMBLY

13.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Result

Proceed to

w/ Safety Connect System

A

w/o Safety Connect System

B

B

GO TO STEP 17

A

14.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)

(a) Disconnect the L3 and L4 stereo component amplifier assembly connectors.

(b) Disconnect the D73 DCM (telematics transceiver) connector.

(c) Disconnect the G8 and H6 front No. 2 speaker assembly connectors.

(d) Disconnect the D11 front No. 1 speaker assembly LH connector.

(e) Disconnect the D48 front No. 3 speaker assembly connector.

(f) Disconnect the I2 and J2 rear No. 2 speaker assembly connectors.

(g) Disconnect the O2 and S2 quarter side speaker assembly connectors.

(h) Disconnect the W16 rear No. 3 speaker assembly connector.

(i) Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

L4-10 (FR+) - Body ground

Always

10 kΩ or higher

L4-9 (FR-) - Body ground

Always

10 kΩ or higher

L4-3 (FL+) - Body ground

Always

10 kΩ or higher

L4-8 (FL-) - Body ground

Always

10 kΩ or higher

L4-5 (RR+) - Body ground

Always

10 kΩ or higher

L4-12 (RR-) - Body ground

Always

10 kΩ or higher

L4-4 (RL+) - Body ground

Always

10 kΩ or higher

L4-11 (RL-) - Body ground

Always

10 kΩ or higher

L4-2 (SR+) - Body ground

Always

10 kΩ or higher

L4-7 (SR-) - Body ground

Always

10 kΩ or higher

L4-1 (SL+) - Body ground

Always

10 kΩ or higher

L4-6 (SL-) - Body ground

Always

10 kΩ or higher

L3-3 (CTR+) - Body ground

Always

10 kΩ or higher

L3-9 (CTR+) - Body ground

Always

10 kΩ or higher

L3-2 (WFR+) - Body ground

Always

10 kΩ or higher

L3-6 (WFR-) - Body ground

Always

10 kΩ or higher

L3-1 (WFL+) - Body ground

Always

10 kΩ or higher

L3-5 (WFL-) - Body ground

Always

10 kΩ or higher

L3-8 (WF1+) - Body ground

Always

10 kΩ or higher

L3-7 (WF1-) - Body ground

Always

10 kΩ or higher

L3-4 (WF2+) - Body ground

Always

10 kΩ or higher

L3-10 (WF2-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

15.

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

(a) Disconnect the D73 DCM (telematics transceiver) connector.

(b) Disconnect the D80 front No. 1 speaker assembly RH connector.

(c) Measure the resistance between the DCM (telematics transceiver) and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D73-5 (SPO+) - Body ground

Always

10 kΩ or higher

D73-6 (SPO-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

16.

INSPECT DCM (TELEMATICS TRANSCEIVER)

(a) Remove the DCM (telematics transceiver) (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: MAYDAY ECU: 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+) - Body ground

Always

10 kΩ or higher

3 (SPI-) - Body ground

Always

10 kΩ or higher

Result

Result

Proceed to

NG

A

OK

B

Text in Illustration

*a

Component without harness connected

(DCM (Telematics Transceiver))

A

REPLACE DCM (TELEMATICS TRANSCEIVER)

B

GO TO STEP 18

17.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)

(a) Disconnect the L3 and L4 stereo component amplifier assembly connectors.

(b) Disconnect the G8 and H6 front No. 2 speaker assembly connectors.

(c) Disconnect the D11 and D80 front No. 1 speaker assembly connectors.

(d) Disconnect the D48 front No. 3 speaker assembly connector.

(e) Disconnect the I2 and J2 rear No. 2 speaker assembly connectors.

(f) Disconnect the O2 and S2 quarter side speaker assembly connectors.

(g) Disconnect the W16 rear No. 3 speaker assembly connector.

(h) Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

Standard Resistance:

Tester Connection

Condition

Specified Condition

L4-10 (FR+) - Body ground

Always

10 kΩ or higher

L4-9 (FR-) - Body ground

Always

10 kΩ or higher

L4-3 (FL+) - Body ground

Always

10 kΩ or higher

L4-8 (FL-) - Body ground

Always

10 kΩ or higher

L4-5 (RR+) - Body ground

Always

10 kΩ or higher

L4-12 (RR-) - Body ground

Always

10 kΩ or higher

L4-4 (RL+) - Body ground

Always

10 kΩ or higher

L4-11 (RL-) - Body ground

Always

10 kΩ or higher

L4-2 (SR+) - Body ground

Always

10 kΩ or higher

L4-7 (SR-) - Body ground

Always

10 kΩ or higher

L4-1 (SL+) - Body ground

Always

10 kΩ or higher

L4-6 (SL-) - Body ground

Always

10 kΩ or higher

L3-3 (CTR+) - Body ground

Always

10 kΩ or higher

L3-9 (CTR+) - Body ground

Always

10 kΩ or higher

L3-2 (WFR+) - Body ground

Always

10 kΩ or higher

L3-6 (WFR-) - Body ground

Always

10 kΩ or higher

L3-1 (WFL+) - Body ground

Always

10 kΩ or higher

L3-5 (WFL-) - Body ground

Always

10 kΩ or higher

L3-8 (WF1+) - Body ground

Always

10 kΩ or higher

L3-7 (WF1-) - Body ground

Always

10 kΩ or higher

L3-4 (WF2+) - Body ground

Always

10 kΩ or higher

L3-10 (WF2-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

18.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) Remove the front No. 1 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: REMOVAL ).

(b) Inspect the front No. 1 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: FRONT DOOR SPEAKER: INSPECTION+ ).

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

OK

19.

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

(a) Remove the front No. 2 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL ).

(b) Inspect the front No. 2 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: INSPECTION+ ).

NG

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

OK

20.

INSPECT FRONT NO. 3 SPEAKER ASSEMBLY

(a) Remove the front No. 3 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: REMOVAL ).

(b) Inspect the front No. 3 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: INSTRUMENT PANEL SPEAKER: INSPECTION+ ).

NG

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY

OK

21.

INSPECT REAR NO. 2 SPEAKER ASSEMBLY

(a) Remove the rear No. 2 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: REAR DOOR SPEAKER: REMOVAL ).

(b) Inspect the rear No. 2 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: REAR DOOR SPEAKER: INSPECTION ).

NG

REPLACE REAR NO. 2 SPEAKER ASSEMBLY

OK

22.

INSPECT QUARTER SIDE SPEAKER ASSEMBLY

(a) Remove the quarter side speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: QUARTER TRIM SPEAKER: REMOVAL ).

(b) Inspect the quarter side speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: QUARTER TRIM SPEAKER: INSPECTION+ ).

NG

REPLACE QUARTER SIDE SPEAKER ASSEMBLY

OK

23.

INSPECT REAR NO. 3 SPEAKER ASSEMBLY

(a) Remove the rear No. 3 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: BACK DOOR SPEAKER: REMOVAL ).

(b) Inspect the rear No. 3 speaker assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; AUDIO / VIDEO: BACK DOOR SPEAKER: INSPECTION ).

OK

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

NG

REPLACE REAR NO. 3 SPEAKER ASSEMBLY