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 |
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL MASTER CYLINDER RESERVOIR GROMMET
(a) Apply a light coat of lithium soap base glycol grease to 2 new master cylinder
reservoir grommets.
(b) Install the 2 master cylinder reservoir grommets to the brake master cylinder
r ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT DIFFERENTIAL SIDE GEAR SHAFT BEARING RH
(a) Using SST and a press, press in the shaft bearing.
SST: 09223-00010
(b) Using a snap ring expander, install the snap ring.
HINT:
Install the snap ring securely.
2. INST ...