- Speakers
- Harness or connector
- Radio and display receiver assembly
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ4Q |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL 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 Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15C3 |
A short is detected in the speaker output circuit. |
|
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Disconnect the D152 and D156 radio and display receiver assembly connectors.
(b) Clear the DTCs (See page
![2016 - 2017 MY Sienna [12/2015 - 11/2017]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
).
(c) Check for DTCs (See page
).
OK:
No DTCs are output.
| NG |
|
|
|
2. |
CHECK VEHICLE CONDITION |
(a) Check the vehicle condition.
Result
|
Result |
Proceed to |
|---|---|
|
for 4 Speakers |
A |
|
for 6 Speakers |
B |
| B |
|
|
|
3. |
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 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+) - 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+) - 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 |
|
|
4. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly (See page
).
(b) Inspect the front No. 1 speaker assembly (See page
).
| NG |
|
|
|
5. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove the rear speaker assembly (See page
).
(b) Inspect the rear speaker assembly (See page
).
| OK |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG |
|
|
6. |
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+) - 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+) - 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 |
|
|
7. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly (See page
).
(b) Inspect the front No. 1 speaker assembly (See page
).
| NG |
|
|
|
8. |
CHECK FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Replace the front No. 2 speaker assembly with a known good one (See page
).
(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) |
|
|
9. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove the rear speaker assembly (See page
).
(b) Inspect the rear speaker assembly (See page
).
| OK |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG |
|
|
|