DESCRIPTION
The stereo component tuner assembly and the navigation receiver assembly are connected by the LVDS communication line.
This DTC is stored when an LVDS communication error occurs between the stereo component tuner assembly and the navigation 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 NAVIGATION RECEIVER ASSEMBLY |
4. |
CHECK NAVIGATION WIRE |
(a) Remove the navigation wire (See page ).
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance::
Tester Connection |
Condition |
Specified Condition |
---|---|---|
V1-4 (+B2) - V7-4 (+B2) |
Always |
Below 1 Ω |
V1-3 (ACC2) - V7-3 (ACC2) |
Always |
Below 1 Ω |
V1-8 (GND2) - V7-8 (GND2) |
Always |
Below 1 Ω |
V1-4 (+B2) - Body ground |
Always |
10 kΩ or higher |
V1-3 (ACC2) - Body ground |
Always |
10 kΩ or higher |
V1-8 (GND2) - Body ground |
Always |
Below 1 Ω |
OK | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE NAVIGATION WIRE |
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