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 |
Precaution
PRECAUTION
1. TROUBLESHOOTING PRECAUTION
NOTICE:
Be sure to read the supplemental restraint system precautions thoroughly
before servicing the brake system (See page
).
Care must be taken to replace each part properly as it could affect ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT PARKING BRAKE SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Switch Condition
...
Unlocking and locking the doors
►Front door handle
Grip the driver’s door handle to unlock the door. Grip the passenger’s door handle
to unlock all the doors.* Make sure to touch the sensor on the back of the handle.
The doors cannot be unlocked for 3 seconds after the doors ...