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 |
Steering Angle Sensor Zero Point Malfunction (C1290)
DESCRIPTION
The skid control ECU (brake actuator assembly) acquires steering angle sensor
zero point every time the ignition switch is turned ON and the vehicle is driven
at 35 km/h (22 mph) or more for approximately 5 seconds. The ECU also stores the
previous zero point.
If front wheel alig ...
Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION
Based on dynamic radar cruise control system operation, the forward recognition
camera provides warnings to the driver by sounding the skid control buzzer.
DTC C1A4A is stored when a malfunction is detected in the skid control buzzer
circuit.
DTC No.
Detectio ...
Precaution
PRECAUTION
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 Swi ...