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 |
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
USB Audio System Recognition/Play Error
DESCRIPTION
When a USB device or "iPod" is connected to the USB jack of the No. 1 stereo
jack adapter assembly, it must have playable files. The device must also communicate
with and be recognized by the navigation receiver assembly. This diagno ...
Voice is not Recognized
PROCEDURE
1.
CHECK CONDITION
(a) Check if the system voice recognition level is low when recognizing a particular
voice.
Result
Proceed to
System voice recognition level is low with an ...