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 (RADIO AND DISPLAY RECEIVER ASSEMBLY - BODY GROUND) |
(a) Disconnect the E4 and E5 radio and display receiver assembly connectors.
(b) Disconnect the E28 and E29 front No. 2 speaker assembly connectors.
(c) Disconnect the J4 and K4 rear speaker assembly connectors.
(d) 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 |
---|---|---|
E4-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
E4-5 (FR-) - Body ground |
Always |
10 kΩ or higher |
E4-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
E4-6 (FL-) - Body ground |
Always |
10 kΩ or higher |
E5-1 (RR+) - Body ground |
Always |
10 kΩ or higher |
E5-3 (RR-) - Body ground |
Always |
10 kΩ or higher |
E5-2 (RL+) - Body ground |
Always |
10 kΩ or higher |
E5-6 (RL-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND) |
(a) Disconnect the H1 and I1 front No. 1 speaker assembly connectors.
(b) Disconnect the E28 and E29 front No. 2 speaker assembly connectors.
(c) 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 |
---|---|---|
E28-1 (+) - Body ground |
Always |
10 kΩ or higher |
E28-3 (-) - Body ground |
Always |
10 kΩ or higher |
E29-1 (+) - Body ground |
Always |
10 kΩ or higher |
E29-3 (-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY |
|
4. |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
|
5. |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Replace the front No. 2 speaker assembly with a new or known good one (See
page ).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs and check that no DTCs are output.
OK:
No DTCs are output.
HINT:
OK | ![]() |
END |
|
6. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove the rear speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
ECM
Combination Meter ECU
CRUISE main indicator operation signal
SET indicator operation sig ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR DOOR COURTESY LIGHT SWITCH
(a) Using "TORX" socket wrench T30, install the rear door courtesy light
switch with the "TORX" bolt.
Torque:
8.0 N·m {82 kgf·cm, 71 in·lbf}
...
Interior Light Power Source Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls operation of
the DOME CUT relay in order to supply power to the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this ...