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 |
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