Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ45
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Speaker Circuit; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

Speaker Circuit

DESCRIPTION

The radio and display receiver assembly sends sound signals to the speakers.

WIRING DIAGRAM

PROCEDURE

1.

CHECK VEHICLE CONDITION

(a) Check the vehicle condition.

Result

Result

Proceed to

for 4 Speakers

A

for 6 speakers

B

B

GO TO STEP 5

A

2.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

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

(a) Disconnect the D152 and D156 radio and display receiver assembly connectors.

(b) Disconnect the G8*1 and/or H6*2 front No. 1 speaker assembly connector.

(c) Disconnect the L16*1 and/or K10*2 rear No. 1 speaker assembly connector.

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

Standard Resistance:

for RH side

Tester Connection

Condition

Specified Condition

D152-1 (FR+) - G8-1

Always

Below 1 Ω

D152-5 (FR-) - G8-2

Always

Below 1 Ω

D156-1 (RR+) - L16-1

Always

Below 1 Ω

D156-3 (RR-) - L16-2

Always

Below 1 Ω

D152-1 (FR+) - Body ground

Always

10 kΩ or higher

D152-5 (FR-) - Body ground

Always

10 kΩ or higher

D156-1 (RR+) - Body ground

Always

10 kΩ or higher

D156-3 (RR-) - Body ground

Always

10 kΩ or higher

for LH side

Tester Connection

Condition

Specified Condition

D152-2 (FL+) - H6-1

Always

Below 1 Ω

D152-6 (FL-) - H6-2

Always

Below 1 Ω

D156-2 (RL+) - K10-1

Always

Below 1 Ω

D156-6 (RL-) - K10-2

Always

Below 1 Ω

D152-2 (FL+) - Body ground

Always

10 kΩ or higher

D152-6 (FL-) - Body ground

Always

10 kΩ or higher

D156-2 (RL+) - Body ground

Always

10 kΩ or higher

D156-6 (RL-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

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

4.

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 RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE REAR SPEAKER ASSEMBLY

5.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

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

(a) Disconnect the D152 and D156 radio and display receiver assembly connectors.

(b) Disconnect the G8*1 and/or H6*2 front No. 1 speaker assembly connector.

(c) Disconnect the D81*1 and/or D10*2 front No. 2 speaker assembly connector.

(d) Disconnect the L16*1 and/or K10*2 rear speaker assembly connector.

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

Standard Resistance:

for RH side

Tester Connection

Condition

Specified Condition

D152-1 (FR+) - D81-1 (+)

Always

Below 1 Ω

D52-5 (FR-) - D81-3 (-)

Always

Below 1 Ω

D81-2 (TWR+) - G8-1

Always

Below 1 Ω

D81-4 (TWR-) - G8-2

Always

Below 1 Ω

D156-1 (RR+) - L16-1

Always

Below 1 Ω

D156-3 (RR-) - L16-2

Always

Below 1 Ω

D152-1 (FR+) - Body ground

Always

10 kΩ or higher

D152-5 (FR-) - Body ground

Always

10 kΩ or higher

D81-2 (TWR+) - Body ground

Always

10 kΩ or higher

D81-4 (TWR-) - Body ground

Always

10 kΩ or higher

D156-1 (RR+) - Body ground

Always

10 kΩ or higher

D156-3 (RR-) - Body ground

Always

10 kΩ or higher

for LH side

Tester Connection

Condition

Specified Condition

D152-2 (FL+) - D10-2 (TWL+)

Always

Below 1 Ω

D152-6 (FL-) - D10-4 (TWL-)

Always

Below 1 Ω

D10-1 (+) - H6-1

Always

Below 1 Ω

D10-3 (-) - H6-2

Always

Below 1 Ω

D156-2 (RL+) - K10-1

Always

Below 1 Ω

D156-6 (RL-) - K10-2

Always

Below 1 Ω

D152-2 (FL+) - Body ground

Always

10 kΩ or higher

D152-6 (FL-) - 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

D156-2 (RL+) - Body ground

Always

10 kΩ or higher

D156-6 (RL-) - 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 (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

7.

CHECK FRONT NO. 2 SPEAKER ASSEMBLY

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

(b) Check that the malfunction disappears.

NOTICE:

  • 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 speaker is defective, inspect by interchanging the right one with the left one.
  • Perform the above inspection on both LH and RH sides.

OK:

Malfunction disappears.

OK

END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

NG

8.

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 RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE REAR SPEAKER ASSEMBLY