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 |
Terminals Of Ecu
TERMINALS OF ECU
1. REAR TELEVISION CAMERA ASSEMBLY
(a) Disconnect the Y2 rear television camera assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol)
Wiring Color
...
CD Sound Skips
CAUTION / NOTICE / HINT
NOTICE:
After replacing the navigation receiver assembly of vehicles subscribed to pay-type
satellite radio broadcasts, XM radio ID registration is necessary.
PROCEDURE
1.
CHECK DISC
(a) ...