| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM10000000195T7 |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Speaker Circuit; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
Speaker Circuit |
DESCRIPTION
The radio and display receiver assembly sends sound signals to the speakers.
WIRING DIAGRAM
1. for 6 Speakers
2. for 10 Speakers
PROCEDURE
|
1. |
CHECK VEHICLE CONDITION |
(a) Check the vehicle condition.
Result
|
Result |
Proceed to |
|---|---|
|
for 6 speakers |
A |
|
for 10 speakers |
B |
| B |
|
|
|
2. |
CHECK SPEAKER (OPERATION CHECK) |
(a) Enter the "System Check Mode" screen.
Refer to Check Speaker in Operation Check.
|
(b) Perform the operation check above and determine the speaker that is not operating. Result
HINT: If sound cannot be heard from any speaker, inspect all of them. |
|
| B |
|
| C |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 1 SPEAKER ASSEMBLY RH) |
(a) Disconnect the D198 radio and display receiver assembly connector.
(b) Disconnect the G8 front No. 1 speaker assembly RH connector.
(c) Disconnect the D73 DCM (telematics transceiver) connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D198-1 (FR+) - D73-2 (SPI+) |
Always |
Below 1 Ω |
|
D198-6 (FR-) - D73-3 (SPI-) |
Always |
Below 1 Ω |
|
D198-1 (FR+) - G8-1 |
Always |
Below 1 Ω |
|
D198-6 (FR-) - G8-2 |
Always |
Below 1 Ω |
|
D198-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
|
D198-6 (FR-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 2 SPEAKER ASSEMBLY RH) |
(a) Disconnect the D73 DCM (telematics transceiver) connector.
(b) Disconnect the D81 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 |
|---|---|---|
|
D73-5 (SPO+) - D81-1 (+) |
Always |
Below 1 Ω |
|
D73-6 (SPO-) - D81-3 (-) |
Always |
Below 1 Ω |
|
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 |
|
|
5. |
INSPECT DCM (TELEMATICS TRANSCEIVER) |
(a) Remove the DCM (telematics transceiver).
Click here
![2018 - 2020 MY Sienna [11/2017 - ]; CELLULAR COMMUNICATION: MAYDAY ECU: REMOVAL](/t3Portal/stylegraphics/info.gif)
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG |
|
|
|
6. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY LH) |
(a) Disconnect the D198 radio and display receiver assembly connector.
(b) Disconnect the D10 front No. 2 speaker assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D198-2 (FL+) - D10-2 (TWL+) |
Always |
Below 1 Ω |
|
D198-7 (FL-) - D10-4 (TWL-) |
Always |
Below 1 Ω |
|
D198-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
|
D198-7 (FL-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
7. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY LH - FRONT NO. 2 SPEAKER ASSEMBLY LH) |
(a) Disconnect the H6 front No. 1 speaker assembly LH connector.
(b) Disconnect the D10 front No. 2 speaker assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D10-1 (+) - H6-1 |
Always |
Below 1 Ω |
|
D10-3 (-) - H6-2 |
Always |
Below 1 Ω |
|
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 |
|
|
8. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly.
Click here
(b) Inspect the front No. 1 speaker assembly.
Click here
| NG |
|
|
|
9. |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly.
Click here
(b) Inspect the front No. 2 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
10. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) |
(a) Disconnect the D198 radio and display receiver assembly connectors.
(b) Disconnect the D81 and D10 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 |
|---|---|---|
|
D198-1 (FR+) - D81-1 (+) |
Always |
Below 1 Ω |
|
D198-6 (FR-) - D81-3 (-) |
Always |
Below 1 Ω |
|
D198-2 (FL+) - D10-2 (TWL+) |
Always |
Below 1 Ω |
|
D198-7 (FL-) - D10-4 (TWL-) |
Always |
Below 1 Ω |
|
D198-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
|
D198-6 (FR-) - Body ground |
Always |
10 kΩ or higher |
|
D198-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
|
D198-7 (FL-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
11. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) |
(a) Disconnect the H6 and G8 front No. 1 speaker assembly connectors.
(b) Disconnect the D81 and D10 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 |
|---|---|---|
|
D81-2 (TWR+) - G8-1 |
Always |
Below 1 Ω |
|
D81-4 (TWR-) - G8-2 |
Always |
Below 1 Ω |
|
D10-1 (+) - H6-1 |
Always |
Below 1 Ω |
|
D10-3 (-) - H6-2 |
Always |
Below 1 Ω |
|
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 |
|
|
12. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly.
Click here
(b) Inspect the front No. 1 speaker assembly.
Click here
| NG |
|
|
|
13. |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly.
Click here
(b) Inspect the front No. 2 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
14. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY) |
(a) Disconnect the D198 radio and display receiver assembly connector.
(b) Disconnect the L16 and K10 rear speaker assembly connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D198-4 (RR+) - L16-1 |
Always |
Below 1 Ω |
|
D198-9 (RR-) - L16-2 |
Always |
Below 1 Ω |
|
D198-3 (RL+) - K10-1 |
Always |
Below 1 Ω |
|
D198-8 (RL-) - K10-2 |
Always |
Below 1 Ω |
|
D198-4 (RR+) - Body ground |
Always |
10 kΩ or higher |
|
D198-9 (RR-) - Body ground |
Always |
10 kΩ or higher |
|
D198-3 (RL+) - Body ground |
Always |
10 kΩ or higher |
|
D198-8 (RL-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
15. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove the rear speaker assembly.
Click here
(b) Inspect the rear speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
16. |
CHECK SPEAKER (OPERATION CHECK) |
(a) Enter the "System Check Mode" screen.
Refer to Check Speaker in Operation Check
|
(b) Perform the operation check above and determine the speaker that is not operating. Result
HINT: If sound cannot be heard from any speaker, inspect all of them. |
|
| B |
|
| C |
|
| D |
|
| E |
|
|
|
17. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER)) |
(a) Disconnect the L4 stereo component amplifier assembly connector.
(b) Disconnect the D73 DCM (telematics transceiver) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L4-10 (FR+) - D73-2 (SPI+) |
Always |
Below 1 Ω |
|
L4-9 (FR-) - D73-3 (SPI-) |
Always |
Below 1 Ω |
|
L4-10 (FR+) - Body ground |
Always |
10 kΩ or higher |
|
L4-9 (FR-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
18. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 1 SPEAKER ASSEMBLY RH) |
(a) Disconnect the D73 DCM (telematics transceiver) connector.
(b) Disconnect the D80 front No. 1 speaker assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D73-5 (SPO+) - D80-1 |
Always |
Below 1 Ω |
|
D73-6 (SPO-) - D80-2 |
Always |
Below 1 Ω |
|
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 |
|
|
19. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY LH) |
(a) Disconnect the L4 stereo component amplifier assembly connectors.
(b) Disconnect the D11 front No. 1 speaker assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L4-3 (FL+) - D11-1 |
Always |
Below 1 Ω |
|
L4-8 (FL-) - D11-2 |
Always |
Below 1 Ω |
|
L4-3 (FL+) - Body ground |
Always |
10 kΩ or higher |
|
L4-8 (FL-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
20. |
INSPECT DCM (TELEMATICS TRANSCEIVER) |
(a) Remove the DCM (telematics transceiver)
Click here
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG |
|
|
|
21. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly.
Click here
(b) Inspect the front No. 1 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
22. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) |
(a) Disconnect the L4 stereo component amplifier assembly connector.
(b) Disconnect the D80 and D11 front No. 1 speaker assembly connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L4-10 (FR+) - D80-1 |
Always |
Below 1 Ω |
|
L4-9 (FR-) - D80-2 |
Always |
Below 1 Ω |
|
L4-3 (FL+) - D11-1 |
Always |
Below 1 Ω |
|
L4-8 (FL-) - D11-2 |
Always |
Below 1 Ω |
|
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 |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
23. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly.
Click here
(b) Inspect the front No. 1 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
24. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY) |
(a) Disconnect the L3 stereo component amplifier assembly connector.
(b) Disconnect the D48 front No. 3 speaker assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L3-3 (CTR+) - D48-3 |
Always |
Below 1 Ω |
|
L3-9 (CTR-) - D48-4 |
Always |
Below 1 Ω |
|
L3-3 (CTR+) - Body ground |
Always |
10 kΩ or higher |
|
L3-9 (CTR-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
25. |
INSPECT FRONT NO. 3 SPEAKER ASSEMBLY |
(a) Remove the front No. 3 speaker assembly.
Click here
(b) Inspect the front No. 3 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
26. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) |
(a) Disconnect the L3 stereo component amplifier assembly connector.
(b) Disconnect the G8 and H6 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 |
|---|---|---|
|
L3-2 (WFR+) - G8-1 |
Always |
Below 1 Ω |
|
L3-6 (WFR-) - G8-2 |
Always |
Below 1 Ω |
|
L3-1 (WFL+) - H6-1 |
Always |
Below 1 Ω |
|
L3-5 (WFL-) - H6-2 |
Always |
Below 1 Ω |
|
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 |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
27. |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly.
Click here
(b) Inspect the front No. 2 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
28. |
CHECK SPEAKER (OPERATION CHECK) |
|
(a) Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check. |
|
(b) Perform the operation check above and determine the speaker that is not operating.
Result
|
Not Operating Speaker |
Proceed to |
|---|---|
|
Quarter side speaker assembly |
A |
|
Rear No. 2 speaker assembly |
B |
|
Rear No. 3 speaker assembly |
C |
HINT:
If sound cannot be heard from any speaker, inspect all of them.
| B |
|
| C |
|
|
|
29. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - QUARTER SIDE SPEAKER ASSEMBLY) |
(a) Disconnect the L4 stereo component amplifier assembly connector.
(b) Disconnect the S2 and O2 quarter side speaker assembly connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L4-2 (SR+) - S2-1 |
Always |
Below 1 Ω |
|
L4-7 (SR-) - S2-2 |
Always |
Below 1 Ω |
|
L4-1 (SL+) - O2-1 |
Always |
Below 1 Ω |
|
L4-6 (SL-) - O2-2 |
Always |
Below 1 Ω |
|
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 |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
30. |
INSPECT QUARTER SIDE SPEAKER ASSEMBLY |
(a) Remove the quarter side speaker assembly.
Click here
(b) Inspect the quarter side speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
31. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 2 SPEAKER ASSEMBLY) |
(a) Disconnect the L4 stereo component amplifier assembly connector.
(b) Disconnect the I2 and J2 rear 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 |
|---|---|---|
|
L4-5 (RR+) - I2-1 |
Always |
Below 1 Ω |
|
L4-12 (RR-) - I2-2 |
Always |
Below 1 Ω |
|
L4-4 (RL+) - J2-1 |
Always |
Below 1 Ω |
|
L4-11 (RL-) - J2-2 |
Always |
Below 1 Ω |
|
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 |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
32. |
INSPECT REAR NO. 2 SPEAKER ASSEMBLY |
(a) Remove the rear No. 2 speaker assembly.
Click here
(b) Inspect the rear No. 2 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
33. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 3 SPEAKER ASSEMBLY) |
(a) Disconnect the L3 stereo component amplifier assembly connector.
(b) Disconnect the W16 rear No. 3 speaker assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L3-8 (WF1+) - W16-2 (+) |
Always |
Below 1 Ω |
|
L3-7 (WF1-) - W16-1 (-) |
Always |
Below 1 Ω |
|
L3-4 (WF2+) - W16-4 (+) |
Always |
Below 1 Ω |
|
L3-10 (WF2-) - W16-3 (-) |
Always |
Below 1 Ω |
|
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 |
|
|
34. |
INSPECT REAR NO. 3 SPEAKER ASSEMBLY |
(a) Remove the rear No. 3 speaker assembly.
Click here
(b) Inspect the rear No. 3 speaker assembly.
Click here
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
|
|