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 |
Check CAN Bus Lines for Short Circuit
DESCRIPTION
There may be a short circuit in the CAN bus main wire and/or CAN branch wire
when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below
54 Ω.
Symptom
Trouble Area
Resistance betwe ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT IG2 RELAY
(a) Remove the IG2 relay from the relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Te ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TRANSPONDER KEY ECU ASSEMBLY (w/ Engine Immobiliser System)
2. REMOVE NO. 1 FINISH PANEL MOUNTING BRACKET
(a) Remove the 2 bolts and 2 No. 1 finish panel mounting brackets as
shown in the illustration.
...