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
1. for 6 Speakers
2. for 13 Speakers
PROCEDURE
1. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
Result |
Proceed to |
---|---|
for 6 Speakers |
A |
for 13 Speakers |
B |
B | ![]() |
GO TO STEP 8 |
|
2. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BODY GROUND) |
(a) Disconnect the E38 and E39 navigation 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 navigation receiver assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E38-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
E38-5 (FR-) - Body ground |
Always |
10 kΩ or higher |
E38-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
E38-6 (FL-) - Body ground |
Always |
10 kΩ or higher |
E39-1 (RR+) - Body ground |
Always |
10 kΩ or higher |
E39-3 (RR-) - Body ground |
Always |
10 kΩ or higher |
E39-2 (RL+) - Body ground |
Always |
10 kΩ or higher |
E39-6 (RL-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND) |
(a) Disconnect the E28 and E29 front No. 2 speaker assembly connectors.
(b) Disconnect the H1 and I1 front No. 1 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 |
---|---|---|
E28-3 (-) - Body ground |
Always |
10 kΩ or higher |
E28-1 (+) - Body ground |
Always |
10 kΩ or higher |
E29-3 (-) - Body ground |
Always |
10 kΩ or higher |
E29-1 (+) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
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 |
|
5. |
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: for RH:
|
|
NG | ![]() |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
|
6. |
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 |
|
7. |
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 NAVIGATION RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
8. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND) |
(a) Disconnect the E12 and E15 stereo component amplifier assembly connectors.
(b) Disconnect the E25 and E26 front No. 2 speaker assembly connectors.
(c) Disconnect the H1 and I1 front No. 1 speaker assembly connectors.
(d) Disconnect the E27 front No. 4 speaker assembly connector.
(e) Disconnect the J4 and K4 rear speaker assembly connectors.
(f) Disconnect the J5 and K5 rear No. 2 speaker assembly connectors.
(g) Disconnect the M29 and L33 rear No. 3 speaker assembly connectors.
(h) Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E15-10 (FR+) - Body ground |
Always |
10 kΩ or higher |
E15-9 (FR-) - Body ground |
Always |
10 kΩ or higher |
E15-3 (FL+) - Body ground |
Always |
10 kΩ or higher |
E15-8 (FL-) - Body ground |
Always |
10 kΩ or higher |
E12-2 (WFR+) - Body ground |
Always |
10 kΩ or higher |
E12-6 (WFR-) - Body ground |
Always |
10 kΩ or higher |
E12-1 (WFL+) - Body ground |
Always |
10 kΩ or higher |
E12-5 (WFL-) - Body ground |
Always |
10 kΩ or higher |
E12-3 (CTR+) - Body ground |
Always |
10 kΩ or higher |
E12-9 (CTR-) - Body ground |
Always |
10 kΩ or higher |
E12-8 (RR+) - Body ground |
Always |
10 kΩ or higher |
E12-7 (RR-) - Body ground |
Always |
10 kΩ or higher |
E15-4 (RL+) - Body ground |
Always |
10 kΩ or higher |
E15-11 (RL-) - Body ground |
Always |
10 kΩ or higher |
E12-4 (WF2+) - Body ground |
Always |
10 kΩ or higher |
E12-10 (WF2-) - Body ground |
Always |
10 kΩ or higher |
E15-5 (WF1+) - Body ground |
Always |
10 kΩ or higher |
E15-12 (WF1-) - Body ground |
Always |
10 kΩ or higher |
E15-2 (SR+) - Body ground |
Always |
10 kΩ or higher |
E15-7 (SR-) - Body ground |
Always |
10 kΩ or higher |
E15-1 (SL+) - Body ground |
Always |
10 kΩ or higher |
E15-6 (SL-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
9. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND) |
(a) Disconnect the E23 and E24 front No. 3 speaker assembly connectors.
(b) Disconnect the E25 and E26 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 |
---|---|---|
E25-3 (+) - Body ground |
Always |
10 kΩ or higher |
E25-4 (-) - Body ground |
Always |
10 kΩ or higher |
E26-3 (+) - Body ground |
Always |
10 kΩ or higher |
E26-4 (-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
10. |
INSPECT FRONT NO. 3 SPEAKER ASSEMBLY |
(a) Remove the front No. 3 speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE FRONT NO. 3 SPEAKER ASSEMBLY |
|
11. |
REPLACE FRONT NO. 3 SPEAKER ASSEMBLY |
(a) Replace the front No. 3 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 |
|
12. |
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: for RH:
|
|
NG | ![]() |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
|
13. |
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 |
|
14. |
INSPECT FRONT NO. 4 SPEAKER ASSEMBLY |
(a) Remove the front No. 4 speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE FRONT NO. 4 SPEAKER ASSEMBLY |
|
15. |
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:
|
|
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
|
16. |
INSPECT REAR NO. 2 SPEAKER ASSEMBLY |
(a) Remove the rear No. 2 speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE REAR NO. 2 SPEAKER ASSEMBLY |
|
17. |
INSPECT REAR NO. 3 SPEAKER ASSEMBLY |
(a) Remove the rear No. 3 speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY |
NG | ![]() |
REPLACE REAR NO. 3 SPEAKER ASSEMBLY |
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE FRONT WHEEL
2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY
3. ...
Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
The radio and display receiver assembly and inner rear view mirror assembly (amplifier
microphone assembly) are connected to each other using the microphone connection
detection signal lines.
Using this circuit, the radio and display receiver ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...