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 |
Precaution
PRECAUTION
1. EXPRESSIONS OF IGNITION SWITCH
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch
(Position)
...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
Pressure Control Solenoid "C" Performance (Shift Solenoid Valve SL3) (P0796)
SYSTEM DESCRIPTION
The ECM uses the vehicle speed signal and signals from the transmission revolution
sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear).
The ECM compares the actual gear with the shift schedule in the ECM memory to
detect mechanical problems of t ...