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. |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR |
(a) Disconnect the G47 and G48 radio and display receiver assembly connectors.
(b) Disconnect the H1 and I1 front No. 1 speaker assembly connectors.
(c) Disconnect the G1 and G10 front No. 2 speaker assembly connectors.
(d) Disconnect the J1 and K1 rear speaker assembly connectors.
(e) Disconnect the W5 and W6 rear No. 2 speaker assembly connectors.
(f) Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
G47-1 (RR+) - Body ground |
Always |
10 kΩ or higher |
G47-2 (RL+) - Body ground |
Always |
10 kΩ or higher |
G47-3 (RR-) - Body ground |
Always |
10 kΩ or higher |
G47-6 (RL-) - Body ground |
Always |
10 kΩ or higher |
G48-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
G48-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
G48-5 (FR-) - Body ground |
Always |
10 kΩ or higher |
G48-6 (FL-) - Body ground |
Always |
10 kΩ or higher |
(g) Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
G1-2 (TWL+) - Body ground |
Always |
10 kΩ or higher |
G1-4 (TWL-) - Body ground |
Always |
10 kΩ or higher |
G10-2 (TWR+) - Body ground |
Always |
10 kΩ or higher |
G10-4 (TWR-) - Body ground |
Always |
10 kΩ or higher |
(h) Measure the resistance between each of the rear speaker assemblies and rear No. 2 speaker assemblies to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
J1-2 - Body ground |
Always |
10 kΩ or higher |
K1-2 - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY |
|
3. |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Replace the front No. 2 speaker assembly with a known good one (See page
).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs and check that no DTCs are output (See page
).
OK:
No DTCs are output.
HINT:
OK | ![]() |
END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE) |
|
4. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
|
5. |
INSPECT REAR NO. 2 SPEAKER ASSEMBLY |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE REAR NO. 2 SPEAKER ASSEMBLY |
Folding down the rear seats (vehicles without third row seats)
Before folding down the rear seats
Adjust the head restraints to the downmost position.
Fold down the head restraints.
When returning the head restraints to their original positions, make sure
they are locked securely.
Stow the rear seat belt buckl ...
Front Clearance Sonar Sensor LH Circuit
DESCRIPTION
The ultrasonic sensor sends and receives ultrasonic waves. Based on the received
wave, the sensor calculates the approximate distance between the vehicle and the
obstacle, and sends the distance value as a signal to the clearance warning ECU
...