DESCRIPTION
The stereo component tuner assembly and the radio and display receiver assembly are connected by an LVDS communication line.
This DTC is stored when an LVDS communication error occurs between the stereo component tuner assembly and the radio and display receiver assembly.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1532 |
When any of the following conditions is met:
|
|
HINT:
Even if no malfunction is present, this DTC may be stored depending on the battery condition or engine start voltage.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary.
PROCEDURE
1. |
CHECK NAVIGATION WIRE (STEREO COMPONENT TUNER ASSEMBLY POWER SOURCE) |
(a) Disconnect the V7 stereo component tuner assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
V7-8 (GND2) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
V7-4 (+B2) - V7-8 (GND2) |
Always |
11 to 14 V |
V7-3 (ACC2) - V7-8 (GND2) |
Ignition switch ACC |
11 to 14 V |
NG | ![]() |
GO TO STEP 4 |
|
2. |
REPLACE NAVIGATION WIRE |
(a) Replace the navigation wire 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.
OK | ![]() |
END |
|
3. |
REPLACE STEREO COMPONENT TUNER ASSEMBLY |
(a) Replace the stereo component tuner 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.
OK | ![]() |
END |
NG | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
4. |
CHECK NAVIGATION WIRE |
(a) Disconnect the V2 radio and display receiver assembly connector.
(b) Disconnect the V7 stereo component tuner assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
V2-4 (+B2) - V7-4 (+B2) |
Always |
Below 1 Ω |
V2-3 (ACC2) - V7-3 (ACC2) |
Always |
Below 1 Ω |
V2-8 (GND2) - V7-8 (GND2) |
Always |
Below 1 Ω |
V2-4 (+B2) - Body ground |
Always |
10 kΩ or higher |
V2-3 (ACC2) - Body ground |
Always |
10 kΩ or higher |
V2-8 (GND2) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE NAVIGATION WIRE |
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures of the front
seat side airbag assembly.
PROCEDURE
1. INSPECT FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
(a ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Read the DTCs following the display on the Techstream. Enter the following
menu ...
Traffic Information is not Displayed
PROCEDURE
1.
CHECK DISPLAY
(a) Check which communication is not being used for displaying traffic information.
HINT:
Display of traffic information received via HD traffic is given priority while
in an "HD Radio" ...