DESCRIPTION
The navigation receiver assembly and stereo component amplifier assembly are connected by the AVC-LAN communication line.
When an AVC-LAN communication error occurs between the navigation receiver assembly and stereo component amplifier assembly, this DTC will be stored.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B15D3*1 |
When either condition below is met:
|
|
HINT:
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK DTC |
(a) If DTC B15C3 is output, perform the troubleshooting of DTC B15C3 first.
Result
Result |
Proceed to |
---|---|
DTC B15C3 is not output |
A |
DTC B15C3 is output |
B |
B | ![]() |
GO TO DTC "B15C3" IN DIAGNOSTIC TROUBLE CODE CHART |
|
2. |
CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING) |
(a) Check that optional components (including associated wiring) which generate radio waves are not installed.
Result
Result |
Proceed to |
---|---|
Optional components (including associated wiring) are installed. |
A |
Optional components (including associated wiring) are not installed. |
B |
HINT:
B | ![]() |
GO TO STEP 4 |
|
3. |
REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING) |
(a) Remove optional components (including associated wiring).
NOTICE:
Do not remove optional components or associated wiring without the permission of the customer.
|
4. |
CHECK DTC |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
OK | ![]() |
END |
|
5. |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY POWER SOURCE) |
(a) Disconnect the stereo component amplifier assembly connectors. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S24-6 (GND) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
S31-1 (+B) - S24-6 (GND) |
Always |
11 to 14 V |
S31-5 (+B2) - S24-6 (GND) |
Always |
11 to 14 V |
S23-12 (ACC) - S24-6 (GND) |
Ignition switch ACC |
11 to 14 V |
*a |
Front view of wire harness connector (to Stereo Component Amplifier Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) |
(a) Disconnect the N25 navigation receiver assembly connector.
(b) Disconnect the S23 stereo component amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
N25-7 (TX1+) - S23-8 (TX+) |
Always |
Below 1 Ω |
N25-8 (TX1-) - S23-7 (TX-) |
Always |
Below 1 Ω |
N25-7 (TX1+) - Body ground |
Always |
10 kΩ or higher |
N25-8 (TX1-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. |
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY |
(a) Replace the stereo component amplifier assembly (See page
).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
OK | ![]() |
END |
NG | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. INSTALL FRONT NO. 1 SPEAKER ASSEMBLY
(a) Install the front No. 1 speaker assembly with the 4 screws.
NOTICE:
Do not touch t ...
Cruise Main Indicator Light Circuit
DESCRIPTION
When the dynamic radar cruise control system is turned on using the cruise control
main switch (ON-OFF button), the cruise control indicator (vehicle-to-vehicle distance
control mode) illuminates. The ECM uses this and other indicators to indicate the
control condition (presence o ...
Cruise control
Use the cruise control to maintain a set speed without depressing the accelerator
pedal.
Indicator
Cruise control switch
■ Setting the vehicle speed
Press the ON-OFF button to activate the cruise control.
Cruise control indicator will come on.
Press the button again to deactivate ...