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 VEHICLE CONDITION |
(a) Check vehicle condition.
Result
Result |
Proceed to |
---|---|
w/ Stereo Component Amplifier |
A |
w/o Stereo Component Amplifier |
B |
B | ![]() |
GO TO STEP 7 |
|
2. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND) |
(a) Disconnect the S24 and S31 stereo component amplifier assembly connectors.
(b) Disconnect the S15 and S16 front No. 1 speaker assembly connectors.
(c) Disconnect the S48 and S49 front No. 2 speaker assembly connectors.
(d) Disconnect the S17 and S18 rear speaker assembly connectors.
(e) Disconnect the S21 No. 1 speaker assembly with box connector.
(f) 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 |
---|---|---|
S24-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
S24-1 (FL-) - Body ground |
Always |
10 kΩ or higher |
S24-9 (FR+) - Body ground |
Always |
10 kΩ or higher |
S24-3 (FR-) - Body ground |
Always |
10 kΩ or higher |
S31-8 (TWL+) - Body ground |
Always |
10 kΩ or higher |
S31-7 (TWL-) - Body ground |
Always |
10 kΩ or higher |
S31-2 (TWR+) - Body ground |
Always |
10 kΩ or higher |
S31-6 (TWR-) - Body ground |
Always |
10 kΩ or higher |
S31-3 (RL+) - Body ground |
Always |
10 kΩ or higher |
S31-9 (RL-) - Body ground |
Always |
10 kΩ or higher |
S31-10 (RR+) - Body ground |
Always |
10 kΩ or higher |
S31-4 (RR-) - Body ground |
Always |
10 kΩ or higher |
S24-5 (WFL+) - Body ground |
Always |
10 kΩ or higher |
S24-12 (WFL-) - Body ground |
Always |
10 kΩ or higher |
S24-4 (WFR+) - Body ground |
Always |
10 kΩ or higher |
S24-10 (WFR-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove front No. 1 speaker assembly (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - 2 |
Always |
3.2 to 4.8Ω |
*a |
Component without harness connected (Front No. 1 Speaker Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove front No. 2 speaker assembly (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - 2 |
Always |
1.5 to 2.5 Ω |
*a |
Component without harness connected (Front No. 2 Speaker Assembly) |
NG | ![]() |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
|
5. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Disconnect the S17 and S18 rear speaker assembly connectors. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - 2 |
Always |
4 Ω |
*a |
Component without harness connected (Rear Speaker Assembly) |
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
|
6. |
INSPECT NO. 1 SPEAKER ASSEMBLY WITH BOX |
(a) Disconnect the S21 No. 1 speaker assembly with box connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2 (WF+) - 4 (WF-) |
Always |
1.6 to 2.4 Ω |
1 (WF+) - 3 (WF-) |
Always |
1.6 to 2.4 Ω |
*a |
Component without harness connected (No. 1 Speaker Assembly with Box) |
OK | ![]() |
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY |
NG | ![]() |
REPLACE NO. 1 SPEAKER ASSEMBLY WITH BOX |
7. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BODY GROUND) |
(a) Disconnect the N23 and N24 navigation receiver assembly connectors.
(b) Disconnect the S46 and S47 front No. 2 speaker assembly connectors.
(c) Disconnect the S17 and S18 rear speaker assembly connectors.
(d) Measure the resistance between the navigation receiver assembly to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
N24-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
N24-5 (FR-) - Body ground |
Always |
10 kΩ or higher |
N24-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
N24-6 (FL-) - Body ground |
Always |
10 kΩ or higher |
N23-1 (RR+) - Body ground |
Always |
10 kΩ or higher |
N23-3 (RR-) - Body ground |
Always |
10 kΩ or higher |
N23-2 (RL+) - Body ground |
Always |
10 kΩ or higher |
N23-6 (RL-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND) |
(a) Disconnect the S15 and S16 front No. 1 speaker assembly connectors.
(b) Disconnect the S46 and S47 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 |
---|---|---|
S47-1 (+) - Body ground |
Always |
10 kΩ or higher |
S47-3 (-) - Body ground |
Always |
10 kΩ or higher |
S46-1 (+) - Body ground |
Always |
10 kΩ or higher |
S46-3 (-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
9. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove front No. 1 speaker assembly (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - 2 |
Always |
3.2 to 4.8 Ω |
*a |
Component without harness connected (Front No. 1 Speaker Assembly) |
NG | ![]() |
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY |
|
10. |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove front No. 2 speaker assembly (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2 (+) - 4(-) |
Always |
10 kΩ or higher |
2 (+) - 1(+) |
Always |
Below 1 Ω |
4 (-) - 3(-) |
Always |
Below 1 Ω |
*a |
Component without harness connected (Front No. 2 Speaker Assembly) |
NG | ![]() |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
|
11. |
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 |
|
12. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove rear speaker assembly (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - 2 |
Always |
4 Ω |
*a |
Component without harness connected (Rear Speaker Assembly) |
OK | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
Air Mix Damper Position Sensor Circuit (Passenger Side) (B1431/31)
DESCRIPTION
This sensor detects the position of the air mix damper (for front passenger side)
and sends the appropriate signals to the air conditioning amplifier assembly. The
position sensor is built into the No. 2 air conditioning radiator damper servo sub-assembly
(for front passenger side ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. INSTALL SIDE AIRBAG SENSOR ASSEMBLY
(a) Check that the ignition switch is OFF.
(b) Check that the cable is disconnec ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FUEL TANK ASSEMBLY
Click here
2. DISCONNECT CHARCOAL CANISTER FUEL HOSE
(a) Loosen the hose clip and disconnect the charcoal canister fuel hose.
3. DISCONNECT FUEL TANK VENT HOSE
(a) Push the fuel tank vent hos ...