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] |
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
|
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
).
(b) Inspect the front No. 1 speaker assembly (See page
).
OK
|
|
|
4.
|
INSPECT REAR SPEAKER ASSEMBLY
|
(a) Remove the rear speaker assembly (See page
).
(b) Inspect the rear speaker assembly (See page
).
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
)
(b) Inspect the front No. 1 speaker assembly (See page
).
OK
|
|
|
7.
|
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)
|
NG
|
|
|
8.
|
INSPECT REAR SPEAKER ASSEMBLY
|
(a) Remove the rear speaker assembly (See page
).
(b) Inspect the rear speaker assembly (See page
).
|